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31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2


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25 Questions MCQ Test Biology 31 Years NEET Chapterwise Solved Papers | 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2

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31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 1

A high density of a protected animal in a National Park can result into

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 1

Competition between organisms of the same species is called intraspecific competition. Mutualism is obligatory and mutually beneficial relationship occurring between two interacting organisms. Predation is the act of capturing, killing and eating. It is a negative interaction between two organisms. Migration is a permanent outward movement of individuals from a population for settling into a new area.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 2

Which animal has gone extinct in recent times in India?

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 2

Acinonyx jubatus, commonly called cheetah, has gone extinct in recent times in India due to the rapid destruction of its habitat, high rate of mortality of the cubs and killing by hunters. Complete failure of its breeding in captivity is another factor for its extinction.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 3

At present, the most significant cause of dwindling biodiversity is probably

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 3

Habitat destruction affects the survival of populations and reduces biodiversity.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 4

MAB stands for

[1997]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 4

MAB, Man and Biosphere Programme, was launched by UNESCO in 1971. There are 14 projects under this programme, which focus on Research and Training with emphasis on ecological approach to the study of inter-relationship between man and the environment.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 5

If the forest cover is reduced to half, what is most likely to happen on a long term basis ?

[1996]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 5

 If a forest is reduced to half which means that there is a reduction in the vegetation cover the forest will eventually end up in the formation of a desert or the process of desertification will take place. As we know that in an ecosystem there is the chain of balance and trees are an integral part of this system. As there will be a reduction in the number of trees the ecosystem will be disturbed and it might lead to the process of desertification.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 6

A number of natural reser ves have been created to conserve specific wild life species. Identify the correct combination from the following

[1996]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 6

Gir forest – Lion
Kaziranga – Rhinoceros
Manas – Elephant, Rhinoceros
Manali – Musk deer

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 7

Which of the following is the correct matching pair of a sanctuary and its main protected wild animal?

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 7

Lion (Panthera leo persica) is an important protected animal in wildlife of India. It is an endangered animal. The conservation project for protection of lion was started in the year 1972 in 'Gir National Park' in Junagadh in Gujarat. 
Single horned rhino (Rhinoceros unicornis) is an important protected animal in wildlife of India. The conservation efforts for this animal started in 1987 as 'Project Rhino'. It is protected in 'Kaziranga National Park', Sibsagar, Jorhat, Assam. 
Tiger is protected in 'Sundarbans Tiger Reserve' in Bengal, as part of 'Project Tiger'. Sambar deer is widely distributed and is protected in Pench, Kanha, Bandipur etc.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 8

Which of the following is the main factor of desertification?

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 8

Desertification is the process leading to the formation of desert. The main factor of desertification of land is over-grazing by herbivorous animals.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 9

Species diversity increases as one proceeds from

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 9

At low altitude and latitude more habitat is found  and environment  conditions are also more suitable i.e. more species and individuals occur at lower latitude and altitude places.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 10

National Park associated with Rhinoceros is

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 10

Kaziranga National Park in Assam is associated with rhinoceros.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 11

Ranthambore National Park is situated in

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 11

Ranthambore National Park is one of the biggest and most renowned national parks in Northern India. The park is located in the Sawai Madhopur district of southeastern Rajasthan, which is about 130 km from Jaipur. Being considered as one of the famous and former hunting grounds of the Maharajas of Jaipur, today the Ranthambore National Park terrain is a major wildlife tourist attraction spot that has pulled the attention of many wildlife photographers and lovers in this destination.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 12

Which animal has become extinct from India?

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 12

The ‘ Cheetah ’ has become extinct from India. The endangered subspecies Acinonyx jubatus venaticus lives in Asia (Iran). In 1990, there were reports in the Times of India of a cheetah sighting in eastern India. There is a chance some cheetahs remain in India, though it is doubtful. There have also been reports of Asiatic cheetahs in the Balochistan Province of Pakistan, though these continue to be unverified. The cheetah prefers to live in an open biotope, such as semi-desert, prairie, and thick brush.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 13

Bulk fixation of carbon through photosynthesis takes place in

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 13

Bulk fixation of carbon through photosynthesis takes place in oceans, due to  presence of majority of phytoplanktons.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 14

Largest amount of fresh water is found in

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 14

Polar ice & glaciers have the largest amount of pure and fresh water without any dissolved salt or impurity.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 15

Deforestation does not lead to

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 15

Deforestation causes the depletion of wood and nutrients from an ecosystem and hence nutrient cycling gets slowed down.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 16

Wildlife is destroyed most when                

[1994, 98, 2002]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 16

If natural habitat is destroyed, wild life is affected worstly.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 17

American water plant that has become a troublesome water weed in India is

[1993]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 17

Eichhornia crassipes is an American origin plant and now water weed in India.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 18

Water is a resource

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 18

Water is a renewable resource but can become non renewable if they are not used properly.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 19

Soil fertility is reduced by

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 19

During intensive agriculture most of the nutrients and minerals are exhausted from the soil so fertility decreases.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 20

Minerals and metals are

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 20

Due to shorter recycling in case of biogenetic nutrients (minerals) they are renewable and due to very long recycling in case of metals and same minerals they are non-renewable.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 21

Fertility of soil is measured by its ability to

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 21

How much ability to support life in soil is called its fertility.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 22

Petroleum is a

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 22

Petroleum is a non-renewable resource.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 23

Renewable source of energy is

[1991]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 23

Coal, kerosene and petroleum are nonrenewable while biomass is renewable source of energy.
The term “biomass” is especially useful for plants, where some internal structures may not always be considered living tissue, such as the wood (secondary xylem) of a tree.Biofuels include bioethanol, biobutanol, biodiesel & biogas.
Biomass is grown from several plants, including switchgrass, hemp, corn, poplar, willow and sugarcane. The particular plant used is usually not very important to the end products, but it does affect the processing of the raw material. Production of biomass is a growing industry as interest in sustainable fuel sources is growing.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 24

Deforestation will decrease

[1990]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 24

Transpiration will be decreased, air temperature will increase and water content will decrease hence rainfall decreases.

31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 25

Soil conservation is

[1989]

Detailed Solution for 31 Years NEET Previous Year Questions: Biodiversity & Conservation - 2 - Question 25

Soil conservation is to conserve fertile soil from the losses like, heavy rainfall, drainage, high wind, flood, draught etc.

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