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ISC (Science) ISC Class 12 - CISCE Question Bank Solutions for Environmental Science (Theory)

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Environmental Science (Theory)
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How did Gandhi’s advocacy of Khadi address the political, environmental and socio economic needs of Indian villages?

[0.01] Traditional Agriculture in India
Chapter: [0.01] Traditional Agriculture in India
Concept: undefined > undefined

Read the following passage and answer the question given below.

Despite being a major food producer with extensive food security schemes and the largest public distribution system in the world, India still grapples with significant levels of food insecurity, hunger, and child malnutrition.

The Global Hunger Index (GHI), 2022, ranked India 107 among 121 countries.

How is the problem referred to in the passage linked to the Green Revolution?

[0.01] Traditional Agriculture in India
Chapter: [0.01] Traditional Agriculture in India
Concept: undefined > undefined

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Read the following passage and answer the question given below.

Despite being a major food producer with extensive food security schemes and the largest public distribution system in the world, India still grapples with significant levels of food insecurity, hunger, and child malnutrition.

The Global Hunger Index (GHI), 2022, ranked India 107 among 121 countries.

In the light of the above passage, discuss three major problems encountered in attaining food security.

[0.02] Food
Chapter: [0.02] Food
Concept: undefined > undefined

Read the following passage and answer the question given below.

Despite being a major food producer with extensive food security schemes and the largest public distribution system in the world, India still grapples with significant levels of food insecurity, hunger, and child malnutrition.

The Global Hunger Index (GHI), 2022, ranked India 107 among 121 countries.

Discuss two main features of the Food Security Law.

[0.02] Food
Chapter: [0.02] Food
Concept: undefined > undefined

Differentiate between tied aid and untied aid. Support your answer by giving one example for each.

[0.07] Sustainable Development
Chapter: [0.07] Sustainable Development
Concept: undefined > undefined

Given below are a few lines from a poem by Wendell Berry.

“Sowing the seed,
My hand is one with the Earth.
Having cared for the plants,
My mind is one with the air.
Eating the fruit,
My body is one with the earth.”

How do the lines given above bring forth Wendell Berry’s idea of conservation?

[0.03] Stewardship of Land (E.G. Wendell Berry)
Chapter: [0.03] Stewardship of Land (E.G. Wendell Berry)
Concept: undefined > undefined

State any two advantages and any one disadvantage of Free Trade.

[0.01] Trans-national Characteristics of Environmental Issues Using Case Study of Amazonia, Trade in Wild Life and Ozone Depletion
Chapter: [0.01] Trans-national Characteristics of Environmental Issues Using Case Study of Amazonia, Trade in Wild Life and Ozone Depletion
Concept: undefined > undefined

Mr. Saini owns an orchard. He is delighted to know that his new neighbour is a beekeeper.

In the light of externalities, specify the reason for Mr. Saini’s delight. Mention the term for the type of externality in the example mentioned above.

[0.01] Traditional Agriculture in India
Chapter: [0.01] Traditional Agriculture in India
Concept: undefined > undefined

The tiger has been placed in its coffin. Nothing short of a miracle can save tigers in the wild in this country.

In the light of the above statement, examine the effectiveness of Project Tiger launched by the Government in 1972.

[0.05] Threats to the Ecosystem
Chapter: [0.05] Threats to the Ecosystem
Concept: undefined > undefined

Read the conversation given below and answer the question that follow.

The next time you take printouts unnecessarily or you throw a paper in to the bin, think for a minute as to how many trees have been felled to manufacture it and how much wastewater generated in the process for something you use so often every day.

Can you take out some time from your everyday routine and devote it to starting a simple recycling program at your school or your neighbourhood? Not only you would save our planet from the torture of felling greenery, but you would also reduce generation and dumping of waste into the environment.

Besides waste generation, paper manufacturing industry also degrades the quality of air and water. Discuss any two points to establish the role of State Pollution Control Board in mitigating the problem.

[0.01] Pollution Monitoring
Chapter: [0.01] Pollution Monitoring
Concept: undefined > undefined

Read the conversation given below and answer the question that follow.

The next time you take printouts unnecessarily or you throw a paper in to the bin, think for a minute as to how many trees have been felled to manufacture it and how much wastewater generated in the process for something you use so often every day.

Can you take out some time from your everyday routine and devote it to starting a simple recycling program at your school or your neighbourhood? Not only you would save our planet from the torture of felling greenery, but you would also reduce generation and dumping of waste into the environment.

Which three indicators of water quality should be checked? What is their significance if you want to recycle wastewater generated in the case above?

[0.04] Water Testing
Chapter: [0.04] Water Testing
Concept: undefined > undefined

Read the conversation given below and answer the question that follow.

The next time you take printouts unnecessarily or you throw a paper in to the bin, think for a minute as to how many trees have been felled to manufacture it and how much wastewater generated in the process for something you use so often every day.

Can you take out some time from your everyday routine and devote it to starting a simple recycling program at your school or your neighbourhood? Not only you would save our planet from the torture of felling greenery, but you would also reduce generation and dumping of waste into the environment.

DEWATS (Decentralised Waste Water Treatment System) is a simple and cost effective method of recycling water. Explain the statement.

[0.04] Water Testing
Chapter: [0.04] Water Testing
Concept: undefined > undefined

Study the relationship between the first and second words given below and fill in the fourth word on that basis.

Ex-situ : In-situ : : Cryopreservation : ______.

[0.01] Population and Conservation Ecology
Chapter: [0.01] Population and Conservation Ecology
Concept: undefined > undefined

Study the relationship between the first and second words given below and fill in the fourth word on that basis.

Pull factors : Immigration : : Push factors : ______.

[0.01] Population and Conservation Ecology
Chapter: [0.01] Population and Conservation Ecology
Concept: undefined > undefined

Discuss the purpose of Environmental Economics.

[0.02] A Critical Appraisal of Conventional Paradigm of Development from the Viewpoints of Sustainability, Environmental Impact and Equity
Chapter: [0.02] A Critical Appraisal of Conventional Paradigm of Development from the Viewpoints of Sustainability, Environmental Impact and Equity
Concept: undefined > undefined

Explain any two advantages of natural resource accounting.

[0.01] Definition: Resources; Scarcity and Growth; Natural Resource Accounting
Chapter: [0.01] Definition: Resources; Scarcity and Growth; Natural Resource Accounting
Concept: undefined > undefined
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