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All questions of Conservation of Plants and Animals for Class 8 Exam
Project tiger was launched in India in- a)1989
- b)1970
- c)1973
- d)1998
Correct answer is option 'C'. Can you explain this answer?
Project tiger was launched in India in
a)
1989
b)
1970
c)
1973
d)
1998
|
Focus Academy answered |
Project Tiger in India
Project Tiger was launched in India in 1973.
Explanation:
- Project Tiger was initiated by the Government of India to protect the endangered Bengal tigers and their habitats.
- The project aimed to ensure a viable population of tigers in their natural habitats and also to protect them from poaching, habitat loss, and other threats.
- It was launched on April 1, 1973, by then-Prime Minister Indira Gandhi.
- The project was implemented in nine tiger reserves across the country, covering areas with high tiger populations.
- The initial phase of the project focused on monitoring tiger populations, studying their behavior, and improving their habitats.
- Later, efforts were made to relocate villages from the core areas of tiger reserves to reduce human-wildlife conflict.
- The project's success led to an increase in the tiger population in India, and it has served as a model for tiger conservation in other countries as well.
- Project Tiger is considered one of the most successful conservation programs in the world.
Conclusion:
Project Tiger was launched in India in 1973 with the aim of protecting the endangered Bengal tigers and their habitats. It has been instrumental in increasing the tiger population in the country and is recognized as a successful conservation initiative globally.
Project Tiger was launched in India in 1973.
Explanation:
- Project Tiger was initiated by the Government of India to protect the endangered Bengal tigers and their habitats.
- The project aimed to ensure a viable population of tigers in their natural habitats and also to protect them from poaching, habitat loss, and other threats.
- It was launched on April 1, 1973, by then-Prime Minister Indira Gandhi.
- The project was implemented in nine tiger reserves across the country, covering areas with high tiger populations.
- The initial phase of the project focused on monitoring tiger populations, studying their behavior, and improving their habitats.
- Later, efforts were made to relocate villages from the core areas of tiger reserves to reduce human-wildlife conflict.
- The project's success led to an increase in the tiger population in India, and it has served as a model for tiger conservation in other countries as well.
- Project Tiger is considered one of the most successful conservation programs in the world.
Conclusion:
Project Tiger was launched in India in 1973 with the aim of protecting the endangered Bengal tigers and their habitats. It has been instrumental in increasing the tiger population in the country and is recognized as a successful conservation initiative globally.
Different species are classified into different threat categories for different countries in the book named- a)yellow data book
- b)blue data book
- c)red data book
- d)green data book
Correct answer is option 'C'. Can you explain this answer?
Different species are classified into different threat categories for different countries in the book named
a)
yellow data book
b)
blue data book
c)
red data book
d)
green data book
|
Roshni Chauhan answered |
The correct answer is option 'C', the Red Data Book.
Explanation:
The Red Data Book is a book that lists and classifies different species into different threat categories for different countries. It is a comprehensive record of the conservation status of various species, including animals, plants, fungi, and algae.
Heading 1: The purpose of the Red Data Book
The Red Data Book is created with the aim of providing valuable information about the conservation status of species. It serves as a tool for scientists, researchers, and policymakers to identify and prioritize species that are at risk of extinction or in need of conservation efforts.
Heading 2: Classification of species in the Red Data Book
The Red Data Book classifies species into different threat categories based on their conservation status. Some commonly used categories include:
1. Critically Endangered: Species that are facing an extremely high risk of extinction in the wild.
2. Endangered: Species that are facing a very high risk of extinction in the wild.
3. Vulnerable: Species that are facing a high risk of extinction in the wild.
4. Near Threatened: Species that are close to qualifying for a threatened category.
5. Least Concern: Species that are widespread and abundant, with a low risk of extinction.
6. Data Deficient: Species that do not have enough information to determine their conservation status.
Heading 3: Variation in threat categories for different countries
The threat categories assigned to species in the Red Data Book may vary from country to country. This variation is due to differences in the distribution, population size, and conservation status of species in different geographical regions. Some species may be critically endangered in one country but may have a different conservation status in another.
Heading 4: Importance of the Red Data Book
The Red Data Book plays a crucial role in conservation efforts. It helps in identifying species that require immediate conservation measures and provides a baseline for monitoring changes in their population and distribution over time. The information provided in the Red Data Book guides conservation strategies, policies, and initiatives to protect and conserve endangered species.
In conclusion, the Red Data Book is a vital resource that classifies species into different threat categories for different countries. It serves as a valuable tool in the conservation of biodiversity and helps in prioritizing conservation efforts for endangered species.
Explanation:
The Red Data Book is a book that lists and classifies different species into different threat categories for different countries. It is a comprehensive record of the conservation status of various species, including animals, plants, fungi, and algae.
Heading 1: The purpose of the Red Data Book
The Red Data Book is created with the aim of providing valuable information about the conservation status of species. It serves as a tool for scientists, researchers, and policymakers to identify and prioritize species that are at risk of extinction or in need of conservation efforts.
Heading 2: Classification of species in the Red Data Book
The Red Data Book classifies species into different threat categories based on their conservation status. Some commonly used categories include:
1. Critically Endangered: Species that are facing an extremely high risk of extinction in the wild.
2. Endangered: Species that are facing a very high risk of extinction in the wild.
3. Vulnerable: Species that are facing a high risk of extinction in the wild.
4. Near Threatened: Species that are close to qualifying for a threatened category.
5. Least Concern: Species that are widespread and abundant, with a low risk of extinction.
6. Data Deficient: Species that do not have enough information to determine their conservation status.
Heading 3: Variation in threat categories for different countries
The threat categories assigned to species in the Red Data Book may vary from country to country. This variation is due to differences in the distribution, population size, and conservation status of species in different geographical regions. Some species may be critically endangered in one country but may have a different conservation status in another.
Heading 4: Importance of the Red Data Book
The Red Data Book plays a crucial role in conservation efforts. It helps in identifying species that require immediate conservation measures and provides a baseline for monitoring changes in their population and distribution over time. The information provided in the Red Data Book guides conservation strategies, policies, and initiatives to protect and conserve endangered species.
In conclusion, the Red Data Book is a vital resource that classifies species into different threat categories for different countries. It serves as a valuable tool in the conservation of biodiversity and helps in prioritizing conservation efforts for endangered species.
Which of the following wild animals is not listed in the Red Data Book in India?- a)Black bunch
- b)Flying squirrel
- c)Tiger
- d)Leopard
Correct answer is option 'B'. Can you explain this answer?
Which of the following wild animals is not listed in the Red Data Book in India?
a)
Black bunch
b)
Flying squirrel
c)
Tiger
d)
Leopard
|
05 Garg answered |
Flying squirrel is a endemic species which means it is available in less dense forest areas. red data book has record of extint species
Which of these is not caused by deforestation?- a)desertification
- b)global warming
- c)storms
- d)reduction in groundwater
Correct answer is option 'C'. Can you explain this answer?
Which of these is not caused by deforestation?
a)
desertification
b)
global warming
c)
storms
d)
reduction in groundwater
|
Ritika Singh answered |
Understanding Deforestation and Its Effects
Deforestation refers to the large-scale removal of trees from forested areas, impacting the environment in various ways. However, not all environmental issues are directly caused by deforestation.
Deforestation and Its Consequences
- Desertification: This is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. Deforestation contributes to soil degradation, making it more susceptible to erosion and loss of nutrients.
- Global Warming: Trees absorb carbon dioxide, a significant greenhouse gas. When forests are cut down, the stored carbon is released back into the atmosphere, exacerbating global warming. This leads to an increase in average global temperatures.
- Reduction in Groundwater: Trees play a crucial role in maintaining the water cycle. They help in the infiltration of rainwater into the soil, replenishing groundwater supplies. Deforestation disrupts this process, leading to a reduction in groundwater levels.
Why Storms Are Not Caused by Deforestation
- Storm Formation: Storms are primarily caused by atmospheric conditions, such as temperature differences, humidity, and pressure systems. While deforestation can influence local weather patterns, it does not directly cause storms. Storms can occur independently of forest cover.
- Climate Factors: Large-scale weather phenomena, such as hurricanes and tornadoes, are influenced by broader climatic factors that extend beyond localized deforestation.
In conclusion, while deforestation has serious environmental impacts, storms are not a direct result of deforestation, making option 'C' the correct answer.
Deforestation refers to the large-scale removal of trees from forested areas, impacting the environment in various ways. However, not all environmental issues are directly caused by deforestation.
Deforestation and Its Consequences
- Desertification: This is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. Deforestation contributes to soil degradation, making it more susceptible to erosion and loss of nutrients.
- Global Warming: Trees absorb carbon dioxide, a significant greenhouse gas. When forests are cut down, the stored carbon is released back into the atmosphere, exacerbating global warming. This leads to an increase in average global temperatures.
- Reduction in Groundwater: Trees play a crucial role in maintaining the water cycle. They help in the infiltration of rainwater into the soil, replenishing groundwater supplies. Deforestation disrupts this process, leading to a reduction in groundwater levels.
Why Storms Are Not Caused by Deforestation
- Storm Formation: Storms are primarily caused by atmospheric conditions, such as temperature differences, humidity, and pressure systems. While deforestation can influence local weather patterns, it does not directly cause storms. Storms can occur independently of forest cover.
- Climate Factors: Large-scale weather phenomena, such as hurricanes and tornadoes, are influenced by broader climatic factors that extend beyond localized deforestation.
In conclusion, while deforestation has serious environmental impacts, storms are not a direct result of deforestation, making option 'C' the correct answer.
Animals that begin to die, as they cannot adjust themselves to environmental changes, resulting in their population becoming very small, are called as- a)extinct
- b)endangered
- c)critically endangered
- d)vulnerable
Correct answer is option 'B'. Can you explain this answer?
Animals that begin to die, as they cannot adjust themselves to environmental changes, resulting in their population becoming very small, are called as
a)
extinct
b)
endangered
c)
critically endangered
d)
vulnerable
|
Abhay Nambiar answered |
Endangered Animals:
Animals that begin to die as they cannot adjust themselves to environmental changes, resulting in their population becoming very small, are called endangered animals. This term is used to describe species that are at risk of extinction in the near future.
Explanation:
When an animal species is unable to adapt to changes in their environment, such as habitat loss, climate change, or introduction of invasive species, their population starts to decline. If this decline continues and the population becomes very small, the species is considered endangered. There are several key factors that contribute to an animal species becoming endangered.
1. Habitat Loss: One of the primary reasons for species becoming endangered is the loss of their natural habitat. Human activities such as deforestation, urbanization, and the conversion of natural land for agriculture and infrastructure, result in the destruction and fragmentation of ecosystems. This directly affects the survival and reproduction of many species.
2. Poaching and Illegal Wildlife Trade: The illegal hunting and trade of animals and their body parts for various purposes, such as traditional medicine, exotic pets, or luxury products, is a major threat to many species. This unregulated activity can cause a rapid decline in their population and push them towards extinction.
3. Pollution and Climate Change: Pollution, including air and water pollution, as well as climate change, have significant impacts on animal species. These environmental changes can disrupt ecosystems, affect the availability of food and resources, and alter the reproductive patterns of species, making it difficult for them to survive.
4. Invasive Species: The introduction of non-native species into an ecosystem can have detrimental effects on indigenous animals. Invasive species often outcompete native species for resources, prey on them, or disrupt their natural behavior, ultimately leading to population decline.
5. Genetic Factors: Some animal species have naturally small populations or limited genetic diversity, which makes them more vulnerable to environmental changes. These genetic factors can increase their risk of extinction as they may lack the necessary genetic variations to adapt and survive.
To protect endangered species, conservation efforts are crucial. These efforts involve habitat preservation, captive breeding programs, regulation and enforcement of anti-poaching laws, and raising awareness about the importance of biodiversity conservation. By addressing the factors that lead to endangerment, we can work towards preventing the loss of these valuable animal species.
Animals that begin to die as they cannot adjust themselves to environmental changes, resulting in their population becoming very small, are called endangered animals. This term is used to describe species that are at risk of extinction in the near future.
Explanation:
When an animal species is unable to adapt to changes in their environment, such as habitat loss, climate change, or introduction of invasive species, their population starts to decline. If this decline continues and the population becomes very small, the species is considered endangered. There are several key factors that contribute to an animal species becoming endangered.
1. Habitat Loss: One of the primary reasons for species becoming endangered is the loss of their natural habitat. Human activities such as deforestation, urbanization, and the conversion of natural land for agriculture and infrastructure, result in the destruction and fragmentation of ecosystems. This directly affects the survival and reproduction of many species.
2. Poaching and Illegal Wildlife Trade: The illegal hunting and trade of animals and their body parts for various purposes, such as traditional medicine, exotic pets, or luxury products, is a major threat to many species. This unregulated activity can cause a rapid decline in their population and push them towards extinction.
3. Pollution and Climate Change: Pollution, including air and water pollution, as well as climate change, have significant impacts on animal species. These environmental changes can disrupt ecosystems, affect the availability of food and resources, and alter the reproductive patterns of species, making it difficult for them to survive.
4. Invasive Species: The introduction of non-native species into an ecosystem can have detrimental effects on indigenous animals. Invasive species often outcompete native species for resources, prey on them, or disrupt their natural behavior, ultimately leading to population decline.
5. Genetic Factors: Some animal species have naturally small populations or limited genetic diversity, which makes them more vulnerable to environmental changes. These genetic factors can increase their risk of extinction as they may lack the necessary genetic variations to adapt and survive.
To protect endangered species, conservation efforts are crucial. These efforts involve habitat preservation, captive breeding programs, regulation and enforcement of anti-poaching laws, and raising awareness about the importance of biodiversity conservation. By addressing the factors that lead to endangerment, we can work towards preventing the loss of these valuable animal species.
Dodo is a/an- a)endangered species
- b)extinct species
- c)vulnerable species
- d)critically endangered species
Correct answer is option 'B'. Can you explain this answer?
Dodo is a/an
a)
endangered species
b)
extinct species
c)
vulnerable species
d)
critically endangered species
|
Siddharth Nambiar answered |
Explanation:
The correct answer is option 'b' - extinct species.
Definition of an extinct species:
An extinct species refers to a species that no longer exists and has no living members. Extinction occurs when a species cannot adapt to changes in its environment, faces competition from other species, or experiences catastrophic events that lead to its complete disappearance.
Dodo:
The dodo was a flightless bird that once inhabited the island of Mauritius in the Indian Ocean. It is widely recognized as one of the most famous examples of an extinct species.
Reasons for extinction:
There were several factors that contributed to the extinction of the dodo species:
1. Human arrival: When humans first arrived on the island of Mauritius in the 16th century, they brought with them invasive species such as rats, pigs, and monkeys. These animals preyed on dodo eggs and competed with the dodo for food sources, leading to a decline in the dodo population.
2. Habitat destruction: The clearing of forests for agriculture and the introduction of non-native plants also impacted the dodo's habitat and food sources.
3. Overhunting: The dodo had no natural predators on the island, and its lack of fear towards humans made it an easy target for hunting. The dodo's meat was highly sought after, and its population rapidly declined due to overhunting.
Confirmation of extinction:
The dodo was last sighted in the late 17th century, and since then, no confirmed sightings or physical evidence of living dodos have been found. The extinction of the dodo is widely accepted, and it is considered an extinct species.
Conclusion:
In conclusion, the dodo is an extinct species. It serves as a stark reminder of the impact that human activities can have on the environment and the importance of conservation efforts to protect endangered species and prevent further extinctions.
The correct answer is option 'b' - extinct species.
Definition of an extinct species:
An extinct species refers to a species that no longer exists and has no living members. Extinction occurs when a species cannot adapt to changes in its environment, faces competition from other species, or experiences catastrophic events that lead to its complete disappearance.
Dodo:
The dodo was a flightless bird that once inhabited the island of Mauritius in the Indian Ocean. It is widely recognized as one of the most famous examples of an extinct species.
Reasons for extinction:
There were several factors that contributed to the extinction of the dodo species:
1. Human arrival: When humans first arrived on the island of Mauritius in the 16th century, they brought with them invasive species such as rats, pigs, and monkeys. These animals preyed on dodo eggs and competed with the dodo for food sources, leading to a decline in the dodo population.
2. Habitat destruction: The clearing of forests for agriculture and the introduction of non-native plants also impacted the dodo's habitat and food sources.
3. Overhunting: The dodo had no natural predators on the island, and its lack of fear towards humans made it an easy target for hunting. The dodo's meat was highly sought after, and its population rapidly declined due to overhunting.
Confirmation of extinction:
The dodo was last sighted in the late 17th century, and since then, no confirmed sightings or physical evidence of living dodos have been found. The extinction of the dodo is widely accepted, and it is considered an extinct species.
Conclusion:
In conclusion, the dodo is an extinct species. It serves as a stark reminder of the impact that human activities can have on the environment and the importance of conservation efforts to protect endangered species and prevent further extinctions.
Wildlife conservation in natural habitats is done in- a)sanctuaries
- b)national parks
- c)biosphere reserves
- d)all of these
Correct answer is option 'D'. Can you explain this answer?
Wildlife conservation in natural habitats is done in
a)
sanctuaries
b)
national parks
c)
biosphere reserves
d)
all of these
|
Trisha Vashisht answered |
Wildlife conservation in natural habitats is done in:
Sanctuaries:
- Sanctuaries are designated areas where wildlife is protected and conserved.
- They provide a safe haven for various species of animals and plants.
- These areas are managed and monitored to ensure the well-being of the wildlife.
National Parks:
- National parks are protected areas of land, typically owned by a national government, where wildlife and their habitats are conserved.
- They are established to preserve the natural environment and biodiversity.
- National parks often have specific regulations and restrictions to protect the wildlife and their habitats.
Biosphere Reserves:
- Biosphere reserves are designated areas that aim to conserve biodiversity while promoting sustainable development.
- They are larger than sanctuaries and national parks and typically include a core area, buffer zone, and transition area.
- Biosphere reserves focus on the conservation of ecosystems, species, and genetic diversity.
All of these:
- Wildlife conservation in natural habitats is done in all of the mentioned options.
- Sanctuaries, national parks, and biosphere reserves all play a crucial role in protecting and conserving wildlife and their habitats.
In conclusion, wildlife conservation in natural habitats is carried out in sanctuaries, national parks, and biosphere reserves. These designated areas provide protection and support for various species, ensuring their survival and promoting biodiversity conservation.
Sanctuaries:
- Sanctuaries are designated areas where wildlife is protected and conserved.
- They provide a safe haven for various species of animals and plants.
- These areas are managed and monitored to ensure the well-being of the wildlife.
National Parks:
- National parks are protected areas of land, typically owned by a national government, where wildlife and their habitats are conserved.
- They are established to preserve the natural environment and biodiversity.
- National parks often have specific regulations and restrictions to protect the wildlife and their habitats.
Biosphere Reserves:
- Biosphere reserves are designated areas that aim to conserve biodiversity while promoting sustainable development.
- They are larger than sanctuaries and national parks and typically include a core area, buffer zone, and transition area.
- Biosphere reserves focus on the conservation of ecosystems, species, and genetic diversity.
All of these:
- Wildlife conservation in natural habitats is done in all of the mentioned options.
- Sanctuaries, national parks, and biosphere reserves all play a crucial role in protecting and conserving wildlife and their habitats.
In conclusion, wildlife conservation in natural habitats is carried out in sanctuaries, national parks, and biosphere reserves. These designated areas provide protection and support for various species, ensuring their survival and promoting biodiversity conservation.
The flora and fauna of a country are among the most important ___ natural resources.- a)renewable
- b)non-renewable
- c)perishable
- d)exhaustible
Correct answer is option 'A'. Can you explain this answer?
The flora and fauna of a country are among the most important ___ natural resources.
a)
renewable
b)
non-renewable
c)
perishable
d)
exhaustible
|
Sarita Verma answered |
The flora and fauna of a country are considered renewable natural resources because they can be replenished through natural processes such as growth and reproduction. They are not exhausted or depleted through use, unlike non-renewable resources such as fossil fuels.
WWF stands for- a)world wide fund
- b)wild world forest
- c)world wild fund
- d)world wresting foundation
Correct answer is option 'A'. Can you explain this answer?
WWF stands for
a)
world wide fund
b)
wild world forest
c)
world wild fund
d)
world wresting foundation
|
Aditi Saxena answered |
WWF stands for World Wide Fund for Nature. It is an international conservation organization that works to protect the natural world and its diversity of life. The organization was founded in 1961 and is headquartered in Gland, Switzerland. It operates in more than 100 countries around the world and is one of the largest and most well-known environmental organizations in the world.
In India, Asiatic lions are found in- a)Gir forest
- b)Sunderbans
- c)Sahara Desert
- d)Assam
Correct answer is option 'A'. Can you explain this answer?
In India, Asiatic lions are found in
a)
Gir forest
b)
Sunderbans
c)
Sahara Desert
d)
Assam
|
C K Academy answered |
India's Asiatic Lions
Location:
- Asiatic lions are found in India.
- They are specifically found in the Gir forest in Gujarat state.
Gir Forest:
- The Gir forest is a wildlife sanctuary and national park located in Gujarat.
- It is the only place in the world where wild Asiatic lions are found.
- The area is a mix of dry deciduous forests, savannahs, and grasslands, providing a suitable habitat for lions.
Conservation Efforts:
- The Asiatic lion population in Gir forest faced the threat of extinction in the past, with only a few individuals remaining.
- However, due to dedicated conservation efforts, their numbers have increased over the years.
- The Gir forest is now a protected area, and various measures have been taken to ensure the conservation of these majestic creatures.
Importance:
- The Asiatic lion is an important symbol of wildlife conservation in India.
- It is listed as endangered on the IUCN Red List, making its conservation crucial for the preservation of biodiversity.
In conclusion, Asiatic lions are found in India, specifically in the Gir forest of Gujarat. The conservation efforts in this region have played a vital role in protecting and increasing the population of these magnificent animals.
Location:
- Asiatic lions are found in India.
- They are specifically found in the Gir forest in Gujarat state.
Gir Forest:
- The Gir forest is a wildlife sanctuary and national park located in Gujarat.
- It is the only place in the world where wild Asiatic lions are found.
- The area is a mix of dry deciduous forests, savannahs, and grasslands, providing a suitable habitat for lions.
Conservation Efforts:
- The Asiatic lion population in Gir forest faced the threat of extinction in the past, with only a few individuals remaining.
- However, due to dedicated conservation efforts, their numbers have increased over the years.
- The Gir forest is now a protected area, and various measures have been taken to ensure the conservation of these majestic creatures.
Importance:
- The Asiatic lion is an important symbol of wildlife conservation in India.
- It is listed as endangered on the IUCN Red List, making its conservation crucial for the preservation of biodiversity.
In conclusion, Asiatic lions are found in India, specifically in the Gir forest of Gujarat. The conservation efforts in this region have played a vital role in protecting and increasing the population of these magnificent animals.
If all trees in a forest are cut, it will lead to- a)erosion of soil
- b)desertification
- c)both (a) and (b)
- d)none of these
Correct answer is option 'C'. Can you explain this answer?
If all trees in a forest are cut, it will lead to
a)
erosion of soil
b)
desertification
c)
both (a) and (b)
d)
none of these
|
|
Focus Academy answered |
To answer this question, let's analyze the consequences of cutting down all trees in a forest:
Erosion of Soil:
- Trees play a crucial role in preventing soil erosion. Their roots hold the soil in place, preventing it from being washed away by rain or wind.
- Without trees, the top layer of soil becomes exposed to the elements, leading to increased erosion.
- Erosion can result in the loss of fertile topsoil, making it difficult for plants to grow and reducing agricultural productivity.
Desertification:
- Trees contribute to the overall moisture levels in an area through the process of transpiration.
- When trees are absent, the moisture levels decrease, and the land becomes drier.
- With prolonged absence of trees, the land can gradually turn into a desert, a process known as desertification.
- Desertification leads to the loss of biodiversity, reduced water availability, and the inability to sustain plant and animal life.
Therefore, cutting down all trees in a forest leads to both erosion of soil and desertification. Therefore, the correct answer is option C: both (a) and (b).
Wildlife in India is diverse because of diverse- a)species
- b)habitat
- c)culture
- d)climate
Correct answer is option 'B'. Can you explain this answer?
Wildlife in India is diverse because of diverse
a)
species
b)
habitat
c)
culture
d)
climate
|
EduRev Class 8 answered |
Wildlife in India is diverse because of diverse
There are several reasons why wildlife in India is diverse. The diverse wildlife can be attributed to the following factors:
1. Habitat
- India is home to a wide range of diverse habitats, including forests, grasslands, wetlands, deserts, and coastal areas.
- Each habitat supports different types of flora and fauna, resulting in a rich and varied wildlife population.
2. Species
- India boasts a high number of species, including mammals, birds, reptiles, amphibians, and marine life.
- The country is known for its iconic and unique wildlife, such as the Bengal Tiger, Indian Elephant, Asiatic Lion, and Indian Rhino.
3. Climate
- India's diverse climate, ranging from tropical in the south to temperate in the north, provides a wide range of ecological conditions.
- Different climate zones support different species and contribute to the overall biodiversity.
4. Cultural Importance
- India has a long history of cultural practices that emphasize the coexistence of humans and wildlife.
- Many species are considered sacred in Indian culture, leading to protection and conservation efforts.
Overall, the diverse wildlife in India is a result of the country's varied habitats, rich species composition, diverse climate, and cultural significance. These factors contribute to the preservation and conservation of the country's unique and precious wildlife.
There are several reasons why wildlife in India is diverse. The diverse wildlife can be attributed to the following factors:
1. Habitat
- India is home to a wide range of diverse habitats, including forests, grasslands, wetlands, deserts, and coastal areas.
- Each habitat supports different types of flora and fauna, resulting in a rich and varied wildlife population.
2. Species
- India boasts a high number of species, including mammals, birds, reptiles, amphibians, and marine life.
- The country is known for its iconic and unique wildlife, such as the Bengal Tiger, Indian Elephant, Asiatic Lion, and Indian Rhino.
3. Climate
- India's diverse climate, ranging from tropical in the south to temperate in the north, provides a wide range of ecological conditions.
- Different climate zones support different species and contribute to the overall biodiversity.
4. Cultural Importance
- India has a long history of cultural practices that emphasize the coexistence of humans and wildlife.
- Many species are considered sacred in Indian culture, leading to protection and conservation efforts.
Overall, the diverse wildlife in India is a result of the country's varied habitats, rich species composition, diverse climate, and cultural significance. These factors contribute to the preservation and conservation of the country's unique and precious wildlife.
Forests can be conserved by way of- a)planned harvesting of trees
- b)afforestation and control of overgrazing
- c)protection from fire, pests and insect
- d)all of these
Correct answer is option 'D'. Can you explain this answer?
Forests can be conserved by way of
a)
planned harvesting of trees
b)
afforestation and control of overgrazing
c)
protection from fire, pests and insect
d)
all of these
|
Skyhigh Academy answered |
Conservation of Forests
Forests can be conserved by:
- Planned harvesting of trees: This involves carefully managing the process of cutting down trees to ensure sustainable timber production while minimizing the impact on the forest ecosystem.
- Afforestation and control of overgrazing: Afforestation refers to the process of establishing new forests in areas where they did not previously exist. This helps to increase the overall forest cover and preserve biodiversity. Additionally, controlling overgrazing by implementing proper grazing management practices prevents the degradation of forested areas.
- Protection from fire, pests, and insects: Implementing measures to prevent and control forest fires, such as creating firebreaks and conducting regular monitoring, helps to protect the forest ecosystem. Additionally, implementing pest and insect control measures, such as the use of biological controls or targeted pesticide application, can help prevent the destruction of forests by these organisms.
Therefore, the correct answer is option D: all of these.
By adopting these conservation practices, we can ensure the sustainable use and preservation of forests for future generations. Forests play a crucial role in maintaining biodiversity, regulating the climate, providing ecosystem services, and supporting the livelihoods of millions of people. It is essential to balance the economic benefits derived from forests with their long-term conservation to achieve sustainable development.
Illegal hunting of animals are called- a)encroaching
- b)poaching
- c)phishing
- d)hunting
Correct answer is option 'B'. Can you explain this answer?
Illegal hunting of animals are called
a)
encroaching
b)
poaching
c)
phishing
d)
hunting
|
P. Aparajitha answered |
Poaching has been done for a number of reasons, including claiming the land for human use, but recently, the illegal act is being done for other ridiculous motives, especially the desire for rare animal products such as ivory, fur, organs, skin, bones, or teeth. It is therefore illegal ( a punishable offence )
Cattles should be stopped from ______ in order to conserve forests.- a)overgrazing
- b)wandering
- c)eating grass
- d)all of these
Correct answer is option 'A'. Can you explain this answer?
Cattles should be stopped from ______ in order to conserve forests.
a)
overgrazing
b)
wandering
c)
eating grass
d)
all of these
|
Sushil Solanki answered |
Why cattles should be stopped from overgrazing to conserve forests:
- Overgrazing by cattles can have negative impacts on forests and their biodiversity. It is important to control their grazing activities to maintain a healthy balance.
- Overgrazing can lead to the depletion of grass and other vegetation in the forest area.
- When cattles eat too much grass, it affects the natural regeneration of plant species, leading to a decline in the forest's overall health.
- Overgrazing also damages the soil structure, making it more susceptible to erosion.
- Erosion can result in the loss of fertile topsoil, which further degrades the forest ecosystem.
- Uncontrolled grazing can also lead to the spread of invasive plant species, which can outcompete native vegetation and disrupt the natural balance of the forest.
- By stopping cattles from overgrazing, the forest ecosystem can recover and regenerate naturally, promoting biodiversity and preserving the overall health of the forest.
Conclusion:
Controlling overgrazing by cattles is essential for the conservation of forests and their biodiversity. By preventing overgrazing, we can ensure the long-term sustainability of forests and protect their ecological integrity.
Wildlife can be conserved by- a)habitat preservation
- b)building wildlife sanctuaries
- c)implementing hunting regulations
- d)all of these
Correct answer is option 'D'. Can you explain this answer?
Wildlife can be conserved by
a)
habitat preservation
b)
building wildlife sanctuaries
c)
implementing hunting regulations
d)
all of these
|
|
Trisha Vashisht answered |
Conserving Wildlife:
Wildlife conservation is crucial to preserving the biodiversity and ecological balance of our planet. There are several ways in which wildlife can be conserved:
- Habitat Preservation: Protecting and preserving natural habitats is essential for wildlife conservation. This involves conserving forests, wetlands, grasslands, and other ecosystems that serve as homes for various species. It includes:
- Preventing deforestation and habitat destruction
- Creating protected areas such as national parks and reserves
- Implementing land-use planning to minimize human encroachment
- Building Wildlife Sanctuaries: Establishing wildlife sanctuaries provides safe havens for endangered and vulnerable species. These areas are protected from hunting, poaching, and other human activities that can harm wildlife. Wildlife sanctuaries also promote breeding and population growth for species at risk.
- Implementing Hunting Regulations: Regulating hunting practices is necessary to ensure sustainable wildlife management. Hunting regulations can help prevent overhunting and illegal wildlife trade. It includes:
- Setting hunting seasons and bag limits
- Enforcing strict penalties for illegal hunting and poaching
- Promoting responsible hunting practices
In conclusion: Wildlife conservation requires a combination of habitat preservation, building wildlife sanctuaries, and implementing hunting regulations. These measures help protect wildlife and ensure the survival of diverse species for future generations.
Species which are confined to a restricted area on the earth are known as- a)epidemic species
- b)endemic species
- c)geographical species
- d)local species
Correct answer is option 'B'. Can you explain this answer?
Species which are confined to a restricted area on the earth are known as
a)
epidemic species
b)
endemic species
c)
geographical species
d)
local species
|
|
C K Academy answered |
Endemic Species
- Endemic species are species that are confined to a specific geographic area or region.
- They are found only in that particular area and are not naturally found anywhere else in the world.
- These species have evolved and adapted to the specific environmental conditions of their restricted habitat.
- Endemism can occur at various scales, from small islands to mountain ranges or even specific ecosystems.
- The restricted range of endemic species makes them vulnerable to habitat loss, fragmentation, and other threats.
- Conservation efforts are crucial to protect these species and their unique habitats.
- Examples of endemic species include the Galapagos tortoise, Komodo dragon, and the Hawaiian honeycreeper.
- The term "endemic" is derived from the Greek word "endēmos," meaning "native" or "belonging to a particular people or country."
- Endemic species play a significant role in maintaining the ecological balance and biodiversity of their respective habitats.
- Endemic species are species that are confined to a specific geographic area or region.
- They are found only in that particular area and are not naturally found anywhere else in the world.
- These species have evolved and adapted to the specific environmental conditions of their restricted habitat.
- Endemism can occur at various scales, from small islands to mountain ranges or even specific ecosystems.
- The restricted range of endemic species makes them vulnerable to habitat loss, fragmentation, and other threats.
- Conservation efforts are crucial to protect these species and their unique habitats.
- Examples of endemic species include the Galapagos tortoise, Komodo dragon, and the Hawaiian honeycreeper.
- The term "endemic" is derived from the Greek word "endēmos," meaning "native" or "belonging to a particular people or country."
- Endemic species play a significant role in maintaining the ecological balance and biodiversity of their respective habitats.
The wide range of different animal species, plants, grass, birds in an area constitute ____ of that area.- a)biodiversity
- b)biosphere
- c)flora and fauna
- d)both (a) and (c)
Correct answer is option 'D'. Can you explain this answer?
The wide range of different animal species, plants, grass, birds in an area constitute ____ of that area.
a)
biodiversity
b)
biosphere
c)
flora and fauna
d)
both (a) and (c)
|
|
Abhay Nambiar answered |
Explanation:
The correct answer is option 'D', which states that the wide range of different animal species, plants, grass, and birds in an area constitute both biodiversity and flora and fauna of that area. Let's understand this in detail:
Biodiversity:
Biodiversity refers to the variety of life forms present in a particular habitat or ecosystem. It includes all living organisms, including plants, animals, microorganisms, and their interactions with each other and their environment.
Flora and Fauna:
Flora refers to the plant species present in a particular area, while fauna refers to the animal species. Flora and fauna together encompass all the plant and animal life found in an ecosystem.
Significance of Biodiversity:
Biodiversity is crucial for maintaining the balance and stability of ecosystems. It provides various ecosystem services such as food, medicine, clean air and water, pollination, nutrient cycling, and climate regulation. Biodiversity also plays a vital role in maintaining the overall health and resilience of the planet.
Examples of Biodiversity:
1. Animal Species: The presence of different animal species like mammals, birds, reptiles, amphibians, and insects in an area contributes to its biodiversity. Each species has unique characteristics, behaviors, and roles within the ecosystem.
2. Plant Species: The variety of plant species, including trees, shrubs, herbs, and grasses, adds to the biodiversity of an area. Different plants provide habitat, food, and shelter for various animal species.
3. Grass: Grasses form an essential part of many ecosystems. They provide food for herbivores, prevent soil erosion, and contribute to the overall productivity of the ecosystem.
4. Birds: The presence of various bird species in an area indicates a diverse and healthy ecosystem. Birds play crucial roles such as pollination, seed dispersal, and insect control.
Conclusion:
In conclusion, the wide range of different animal species, plants, grass, and birds in an area constitute both biodiversity and flora and fauna of that area. Biodiversity and the presence of diverse flora and fauna are essential for the functioning and sustainability of ecosystems.
The correct answer is option 'D', which states that the wide range of different animal species, plants, grass, and birds in an area constitute both biodiversity and flora and fauna of that area. Let's understand this in detail:
Biodiversity:
Biodiversity refers to the variety of life forms present in a particular habitat or ecosystem. It includes all living organisms, including plants, animals, microorganisms, and their interactions with each other and their environment.
Flora and Fauna:
Flora refers to the plant species present in a particular area, while fauna refers to the animal species. Flora and fauna together encompass all the plant and animal life found in an ecosystem.
Significance of Biodiversity:
Biodiversity is crucial for maintaining the balance and stability of ecosystems. It provides various ecosystem services such as food, medicine, clean air and water, pollination, nutrient cycling, and climate regulation. Biodiversity also plays a vital role in maintaining the overall health and resilience of the planet.
Examples of Biodiversity:
1. Animal Species: The presence of different animal species like mammals, birds, reptiles, amphibians, and insects in an area contributes to its biodiversity. Each species has unique characteristics, behaviors, and roles within the ecosystem.
2. Plant Species: The variety of plant species, including trees, shrubs, herbs, and grasses, adds to the biodiversity of an area. Different plants provide habitat, food, and shelter for various animal species.
3. Grass: Grasses form an essential part of many ecosystems. They provide food for herbivores, prevent soil erosion, and contribute to the overall productivity of the ecosystem.
4. Birds: The presence of various bird species in an area indicates a diverse and healthy ecosystem. Birds play crucial roles such as pollination, seed dispersal, and insect control.
Conclusion:
In conclusion, the wide range of different animal species, plants, grass, and birds in an area constitute both biodiversity and flora and fauna of that area. Biodiversity and the presence of diverse flora and fauna are essential for the functioning and sustainability of ecosystems.
If all animals disappeared from an area, they are called- a)extinct
- b)endangered
- c)vulnerable
- d)endemic
Correct answer is option 'A'. Can you explain this answer?
If all animals disappeared from an area, they are called
a)
extinct
b)
endangered
c)
vulnerable
d)
endemic
|
|
C K Academy answered |
Answer:
If all animals disappeared from an area, they are called extinct.
Explanation:
- Extinct: This term is used to describe a species that no longer exists anywhere on Earth.
- Endangered: This term is used to describe a species that is at risk of becoming extinct in the near future.
- Vulnerable: This term is used to describe a species that is at risk of becoming endangered if its population continues to decline.
- Endemic: This term is used to describe a species that is native to a specific geographic area and is not found anywhere else.
In the given scenario, since all animals have disappeared from the area, it means that all species are no longer present there, making them extinct. Therefore, the correct answer is A: extinct.
IUCN stands for- a)international unity of conserving nature
- b)internation union for cultivating nature
- c)international union for conservation of natural resources
- d)internation union for controlling natural hazards
Correct answer is option 'C'. Can you explain this answer?
IUCN stands for
a)
international unity of conserving nature
b)
internation union for cultivating nature
c)
international union for conservation of natural resources
d)
internation union for controlling natural hazards
|
|
EduRev Class 8 answered |
IUCN stands for International Union for Conservation of Natural Resources.
The International Union for Conservation of Nature (IUCN) is a global organization dedicated to conserving nature and biodiversity. It is the world's largest and most diverse environmental network, with over 1,400 member organizations and government agencies.
Key Points:
- IUCN's primary goal is to promote the sustainable use and conservation of natural resources.
- It works towards achieving this goal through research, analysis, field projects, and policy development.
- The organization provides scientific expertise and advice to governments, businesses, and communities to help them make informed decisions regarding conservation and sustainable development.
- IUCN also plays a crucial role in identifying and assessing the conservation status of species, ecosystems, and habitats through its Red List of Threatened Species.
- The organization collaborates with various stakeholders, including governments, NGOs, indigenous peoples, and local communities, to implement conservation initiatives and promote environmental sustainability.
- IUCN focuses on addressing global environmental challenges such as climate change, deforestation, habitat loss, pollution, and overexploitation of natural resources.
- The organization advocates for the integration of conservation principles into national and international policies, laws, and practices.
- IUCN's work spans various fields, including biodiversity conservation, ecosystem restoration, sustainable development, environmental governance, and nature-based solutions.
- The organization also hosts the World Conservation Congress, a global forum that brings together experts, policymakers, and stakeholders to discuss and address pressing environmental issues.
In conclusion, IUCN, or the International Union for Conservation of Natural Resources, is a global organization dedicated to conserving nature and promoting sustainable development. It plays a crucial role in research, policy development, and advocacy to ensure the protection and wise use of natural resources for future generations.
The International Union for Conservation of Nature (IUCN) is a global organization dedicated to conserving nature and biodiversity. It is the world's largest and most diverse environmental network, with over 1,400 member organizations and government agencies.
Key Points:
- IUCN's primary goal is to promote the sustainable use and conservation of natural resources.
- It works towards achieving this goal through research, analysis, field projects, and policy development.
- The organization provides scientific expertise and advice to governments, businesses, and communities to help them make informed decisions regarding conservation and sustainable development.
- IUCN also plays a crucial role in identifying and assessing the conservation status of species, ecosystems, and habitats through its Red List of Threatened Species.
- The organization collaborates with various stakeholders, including governments, NGOs, indigenous peoples, and local communities, to implement conservation initiatives and promote environmental sustainability.
- IUCN focuses on addressing global environmental challenges such as climate change, deforestation, habitat loss, pollution, and overexploitation of natural resources.
- The organization advocates for the integration of conservation principles into national and international policies, laws, and practices.
- IUCN's work spans various fields, including biodiversity conservation, ecosystem restoration, sustainable development, environmental governance, and nature-based solutions.
- The organization also hosts the World Conservation Congress, a global forum that brings together experts, policymakers, and stakeholders to discuss and address pressing environmental issues.
In conclusion, IUCN, or the International Union for Conservation of Natural Resources, is a global organization dedicated to conserving nature and promoting sustainable development. It plays a crucial role in research, policy development, and advocacy to ensure the protection and wise use of natural resources for future generations.
Which one of these is not included in wildlife?- a)elephant
- b)leopard
- c)horse
- d)lion
Correct answer is option 'C'. Can you explain this answer?
Which one of these is not included in wildlife?
a)
elephant
b)
leopard
c)
horse
d)
lion
|
|
Sushil Solanki answered |
Which one of these is not included in wildlife?
Explanation:
To determine which one is not included in wildlife, we need to understand the definition of wildlife and the characteristics of each option.
Definition of wildlife:
Wildlife refers to all living organisms in their natural habitat that are not domesticated or cultivated by humans.
Characteristics of each option:
A: Elephant
- Elephants are wild animals that are commonly found in various habitats such as forests, savannahs, and grasslands.
- They are a prominent part of wildlife and are known for their large size and distinctive features.
B: Leopard
- Leopards are wild animals that belong to the cat family and are found in various habitats, including forests, grasslands, and mountains.
- They are known for their spotted coat and are considered a significant part of wildlife.
C: Horse
- Horses are domesticated animals that have been bred and used by humans for various purposes such as transportation, agriculture, and sports.
- They are not considered a part of wildlife because they are not found in their natural habitat and are dependent on human care and management.
D: Lion
- Lions are wild animals that are primarily found in grasslands, savannahs, and open woodlands.
- They are apex predators and play a crucial role in maintaining the balance of ecosystems, making them an integral part of wildlife.
Conclusion:
Based on the definition of wildlife and the characteristics of each option, it can be concluded that the horse (option C) is not included in wildlife as it is a domesticated animal dependent on human care and management.
Answer: C - Horse
Explanation:
To determine which one is not included in wildlife, we need to understand the definition of wildlife and the characteristics of each option.
Definition of wildlife:
Wildlife refers to all living organisms in their natural habitat that are not domesticated or cultivated by humans.
Characteristics of each option:
A: Elephant
- Elephants are wild animals that are commonly found in various habitats such as forests, savannahs, and grasslands.
- They are a prominent part of wildlife and are known for their large size and distinctive features.
B: Leopard
- Leopards are wild animals that belong to the cat family and are found in various habitats, including forests, grasslands, and mountains.
- They are known for their spotted coat and are considered a significant part of wildlife.
C: Horse
- Horses are domesticated animals that have been bred and used by humans for various purposes such as transportation, agriculture, and sports.
- They are not considered a part of wildlife because they are not found in their natural habitat and are dependent on human care and management.
D: Lion
- Lions are wild animals that are primarily found in grasslands, savannahs, and open woodlands.
- They are apex predators and play a crucial role in maintaining the balance of ecosystems, making them an integral part of wildlife.
Conclusion:
Based on the definition of wildlife and the characteristics of each option, it can be concluded that the horse (option C) is not included in wildlife as it is a domesticated animal dependent on human care and management.
The plants found in a particular region are called- a)Flora
- b)Fauna
- c)Species
- d)Local plants
Correct answer is option 'A'. Can you explain this answer?
The plants found in a particular region are called
a)
Flora
b)
Fauna
c)
Species
d)
Local plants
|
|
Focus Academy answered |
Question: The plants found in a particular region are called?
Answer: The plants found in a particular region are called Flora. Here is a detailed explanation:
Definition:
- Flora refers to the collective plant life that exists in a particular region or time period.
- It includes all the plant species, including trees, shrubs, herbs, ferns, mosses, and algae, found in a specific area.
Key Points:
- Flora is a term used to describe the plants in a specific geographical area or ecosystem.
- It encompasses all types of plant life, from large trees to microscopic organisms.
- Flora is an essential component of the ecosystem and plays a vital role in maintaining the balance of nature.
- The study of flora is an important field of botany and helps in understanding plant diversity, distribution, and ecology.
- Different regions around the world have their unique flora, influenced by factors such as climate, soil, and geographical features.
- Flora can vary significantly from one region to another, resulting in diverse ecosystems and habitats.
Example:
- The flora of the Amazon rainforest includes a vast array of plant species, such as giant trees, orchids, bromeliads, and medicinal plants.
- The flora of the Sahara Desert consists mainly of drought-resistant plants like cacti, succulents, and desert grasses.
Conclusion:
- The term "flora" is used to describe the plants found in a particular region.
- It encompasses all types of plant life and is essential for maintaining the balance of ecosystems.
Answer: The plants found in a particular region are called Flora. Here is a detailed explanation:
Definition:
- Flora refers to the collective plant life that exists in a particular region or time period.
- It includes all the plant species, including trees, shrubs, herbs, ferns, mosses, and algae, found in a specific area.
Key Points:
- Flora is a term used to describe the plants in a specific geographical area or ecosystem.
- It encompasses all types of plant life, from large trees to microscopic organisms.
- Flora is an essential component of the ecosystem and plays a vital role in maintaining the balance of nature.
- The study of flora is an important field of botany and helps in understanding plant diversity, distribution, and ecology.
- Different regions around the world have their unique flora, influenced by factors such as climate, soil, and geographical features.
- Flora can vary significantly from one region to another, resulting in diverse ecosystems and habitats.
Example:
- The flora of the Amazon rainforest includes a vast array of plant species, such as giant trees, orchids, bromeliads, and medicinal plants.
- The flora of the Sahara Desert consists mainly of drought-resistant plants like cacti, succulents, and desert grasses.
Conclusion:
- The term "flora" is used to describe the plants found in a particular region.
- It encompasses all types of plant life and is essential for maintaining the balance of ecosystems.
Chapter doubts & questions for Conservation of Plants and Animals - Science Olympiad Class 8 2025 is part of Class 8 exam preparation. The chapters have been prepared according to the Class 8 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 8 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Science Olympiad Class 8
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