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All questions of Our Natural Resources for Class 5 Exam
What is the primary use of wind energy?- a) Heating water
- b) Cooking food
- c) Producing electricity
- d) Transporting goods
Correct answer is option 'C'. Can you explain this answer?
What is the primary use of wind energy?
a)
Heating water
b)
Cooking food
c)
Producing electricity
d)
Transporting goods
|
Aurora Institute answered |
Wind energy is primarily used to generate electricity. Windmills convert the kinetic energy of wind into electrical energy, which can then be used in homes, schools, and factories.
What is the role of trees in maintaining environmental balance?- a) They help control climate change and provide oxygen
- b) They are only used for construction
- c) They deplete soil nutrients
- d) They provide food only
Correct answer is option 'A'. Can you explain this answer?
What is the role of trees in maintaining environmental balance?
a)
They help control climate change and provide oxygen
b)
They are only used for construction
c)
They deplete soil nutrients
d)
They provide food only
|
Flembe Academy answered |
Trees play a crucial role in maintaining environmental balance by absorbing carbon dioxide and releasing oxygen, thus helping to mitigate climate change. They also provide habitat, food, and other ecosystem services.
What is one consequence of human activities on natural resources?- a) Enhanced biodiversity
- b) Pollution and depletion of resources
- c) Protection of species
- d) Increased abundance of resources
Correct answer is option 'B'. Can you explain this answer?
What is one consequence of human activities on natural resources?
a)
Enhanced biodiversity
b)
Pollution and depletion of resources
c)
Protection of species
d)
Increased abundance of resources
|
|
Aurora Institute answered |
Human activities such as deforestation, pollution, and overconsumption lead to the pollution and depletion of natural resources. This can harm ecosystems and reduce the availability of resources for future generations.
Which of the following resources is classified as renewable?- a) Soil
- b) Fossil fuels
- c) Copper
- d) Aluminum
Correct answer is option 'A'. Can you explain this answer?
Which of the following resources is classified as renewable?
a)
Soil
b)
Fossil fuels
c)
Copper
d)
Aluminum
|
|
Flembe Academy answered |
Soil is classified as a renewable resource because it can be replenished through natural processes like decomposition and nutrient cycling. Healthy soil supports plant growth, which is essential for food production.
Which of the following is a characteristic of renewable resources?- a) They are available in fixed amounts
- b) They can be exhausted in a short time
- c) They can be replenished naturally
- d) They are all man-made
Correct answer is option 'C'. Can you explain this answer?
Which of the following is a characteristic of renewable resources?
a)
They are available in fixed amounts
b)
They can be exhausted in a short time
c)
They can be replenished naturally
d)
They are all man-made
|
|
Flembe Academy answered |
Renewable resources can be replenished naturally over time. They include resources like sunlight, wind, and water, which are perpetually available and can be used sustainably.
What is the main purpose of using solar panels?- a) To pollute the environment
- b) To capture sunlight and convert it into energy
- c) To create fossil fuels
- d) To store water
Correct answer is option 'B'. Can you explain this answer?
What is the main purpose of using solar panels?
a)
To pollute the environment
b)
To capture sunlight and convert it into energy
c)
To create fossil fuels
d)
To store water
|
|
Flembe Academy answered |
The main purpose of using solar panels is to capture sunlight and convert it into energy, either as electricity or heat. This technology provides a clean and renewable energy source that reduces reliance on fossil fuels.
What is an effective way to save electricity at home?- a) Ignoring leaks in electrical devices
- b) Using more gadgets
- c) Using energy-efficient appliances
- d) Keeping lights on all the time
Correct answer is option 'C'. Can you explain this answer?
What is an effective way to save electricity at home?
a)
Ignoring leaks in electrical devices
b)
Using more gadgets
c)
Using energy-efficient appliances
d)
Keeping lights on all the time
|
|
Flembe Academy answered |
Using energy-efficient appliances is an effective way to save electricity at home. These appliances consume less power while providing the same level of performance, helping reduce energy bills and environmental impact.
What is the process called when crude oil is transformed into usable products?- a) Extraction
- b) Distillation
- c) Mining
- d) Refining
Correct answer is option 'D'. Can you explain this answer?
What is the process called when crude oil is transformed into usable products?
a)
Extraction
b)
Distillation
c)
Mining
d)
Refining
|
|
Aurora Institute answered |
The process of transforming crude oil into usable products such as petrol and diesel is called refining. This process separates different components based on their boiling points to produce various fuels and chemicals.
Which of the following is considered a non-renewable resource?- a) Wind energy
- b) Coal
- c) Solar energy
- d) Water
Correct answer is option 'B'. Can you explain this answer?
Which of the following is considered a non-renewable resource?
a)
Wind energy
b)
Coal
c)
Solar energy
d)
Water
|
|
Flembe Academy answered |
Coal is a non-renewable resource because it takes millions of years to form from the remains of ancient plants and animals. Once depleted, it cannot be replaced within a human timeframe, unlike renewable resources.
What is one major disadvantage of non-renewable resources?- a) They are abundant
- b) They can be used indefinitely
- c) They are limited and cannot be easily replaced
- d) They are environmentally friendly
Correct answer is option 'C'. Can you explain this answer?
What is one major disadvantage of non-renewable resources?
a)
They are abundant
b)
They can be used indefinitely
c)
They are limited and cannot be easily replaced
d)
They are environmentally friendly
|
|
Aurora Institute answered |
The major disadvantage of non-renewable resources is that they are limited in supply and cannot be easily replaced once depleted. This leads to concerns about sustainability and environmental impacts as these resources are consumed rapidly.
Why is clean drinking water essential for living beings?- a) It is harmful to health
- b) It is used for cooking only
- c) It can be replaced easily
- d) It is necessary for survival
Correct answer is option 'D'. Can you explain this answer?
Why is clean drinking water essential for living beings?
a)
It is harmful to health
b)
It is used for cooking only
c)
It can be replaced easily
d)
It is necessary for survival
|
|
Flembe Academy answered |
Clean drinking water is necessary for survival because all living beings require water for various bodily functions, including hydration, digestion, and temperature regulation. Access to safe water is crucial for health and wellbeing.
Which of the following is an example of a fossil fuel?- a) Solar energy
- b) Wind energy
- c) Hydro power
- d) Petroleum
Correct answer is option 'D'. Can you explain this answer?
Which of the following is an example of a fossil fuel?
a)
Solar energy
b)
Wind energy
c)
Hydro power
d)
Petroleum
|
|
Flembe Academy answered |
Petroleum is an example of a fossil fuel, formed over millions of years from the remains of ancient marine organisms. It is a significant source of energy used for fuel and various products.
What is the role of animals in the ecosystem?- a) They negatively impact plant growth
- b) They only provide food for humans
- c) They compete with plants for water
- d) They help in seed dispersal and provide resources
Correct answer is option 'D'. Can you explain this answer?
What is the role of animals in the ecosystem?
a)
They negatively impact plant growth
b)
They only provide food for humans
c)
They compete with plants for water
d)
They help in seed dispersal and provide resources
|
|
Aurora Institute answered |
Animals play a crucial role in ecosystems by helping with seed dispersal, which promotes plant growth and biodiversity. They also provide various resources such as food, materials, and even support ecological processes like pollination.
What percentage of the Earth's water is safe for drinking?- a) 10%
- b) 3%
- c) 50%
- d) 70%
Correct answer is option 'B'. Can you explain this answer?
What percentage of the Earth's water is safe for drinking?
a)
10%
b)
3%
c)
50%
d)
70%
|
|
Flembe Academy answered |
Only about 3% of the Earth's water is safe for drinking. The majority of Earth's water is saltwater, found in oceans, which is not suitable for human consumption without desalination processes.
Which activity contributes to the extinction of plant and animal species?- a) Deforestation and pollution
- b) Reforestation
- c) Conservation efforts
- d) Sustainable farming
Correct answer is option 'A'. Can you explain this answer?
Which activity contributes to the extinction of plant and animal species?
a)
Deforestation and pollution
b)
Reforestation
c)
Conservation efforts
d)
Sustainable farming
|
|
Aurora Institute answered |
Deforestation and pollution significantly contribute to the extinction of plant and animal species by destroying their habitats and contaminating the environment. This disrupts ecosystems and reduces biodiversity.
Which of the following is a method to conserve natural resources?- a) Planting more trees
- b) Cutting down forests
- c) Wasting water
- d) Increasing plastic use
Correct answer is option 'A'. Can you explain this answer?
Which of the following is a method to conserve natural resources?
a)
Planting more trees
b)
Cutting down forests
c)
Wasting water
d)
Increasing plastic use
|
|
Aurora Institute answered |
Planting more trees is an effective method to conserve natural resources. Trees help improve air quality, prevent soil erosion, and provide habitats for wildlife, thus playing a vital role in environmental conservation.
What are renewable resources?- a) Resources that can be replenished naturally
- b) Resources that take millions of years to form
- c) Resources that can be used only once
- d) Resources that are man-made
Correct answer is option 'A'. Can you explain this answer?
What are renewable resources?
a)
Resources that can be replenished naturally
b)
Resources that take millions of years to form
c)
Resources that can be used only once
d)
Resources that are man-made
|
|
Flembe Academy answered |
Renewable resources are those that can be replenished naturally over time. Examples include air, water, sunlight, and plants, which are continuously available and can be used repeatedly without depleting the resource.
What is a common use of hydroelectric power?- a) Solar heating
- b) Cooking food
- c) Fuel for vehicles
- d) Generating electricity
Correct answer is option 'D'. Can you explain this answer?
What is a common use of hydroelectric power?
a)
Solar heating
b)
Cooking food
c)
Fuel for vehicles
d)
Generating electricity
|
|
Aurora Institute answered |
Hydroelectric power is primarily used for generating electricity. It harnesses the energy of flowing water, typically from dams, to produce renewable energy that powers homes and industries.
Which mineral is known for its use in making electrical wires?- a) Aluminum
- b) Iron
- c) Copper
- d) Gold
Correct answer is option 'C'. Can you explain this answer?
Which mineral is known for its use in making electrical wires?
a)
Aluminum
b)
Iron
c)
Copper
d)
Gold
|
|
Flembe Academy answered |
Copper is widely known for its excellent electrical conductivity, making it the preferred choice for manufacturing electrical wires. Its malleability and resistance to corrosion add to its utility in electrical applications.
How do plants contribute to the environment?- a) By causing pollution
- b) By producing oxygen and reducing carbon dioxide
- c) By consuming oxygen
- d) By providing shelter to animals only
Correct answer is option 'B'. Can you explain this answer?
How do plants contribute to the environment?
a)
By causing pollution
b)
By producing oxygen and reducing carbon dioxide
c)
By consuming oxygen
d)
By providing shelter to animals only
|
|
Flembe Academy answered |
Plants contribute to the environment by producing oxygen through photosynthesis and absorbing carbon dioxide, thus helping to regulate the atmosphere and combat global warming. They play a vital role in maintaining ecological balance.
Chapter doubts & questions for Our Natural Resources - Social Studies Class 5 ICSE 2025 is part of Class 5 exam preparation. The chapters have been prepared according to the Class 5 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Social Studies Class 5 ICSE
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