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ISC (Science) ISC Class 12 - CISCE Question Bank Solutions

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Eris are popular rainwater harvesting systems of Tamil Nadu in India. Which one of the following categories do these systems fall under?

[4] Water Testing
Chapter: [4] Water Testing
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High volume sampler is a manual technique for collecting samples of particulate matter (PM). Ananya used this technique to measure the PM level at four different locations.

Which one of the following areas is likely to record the maximum level of particulate matter?

[2] Monitoring the Atmosphere: Techniques
Chapter: [2] Monitoring the Atmosphere: Techniques
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Name the radical environmental advocacy group founded by Dave Foreman, Mike Rosella and Howie Wolke.

[2] Deep Ecology (Gary Snyder, Earth First) Vs. Shallow Ecology
Chapter: [2] Deep Ecology (Gary Snyder, Earth First) Vs. Shallow Ecology
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The practice of exporting hazardous wastes from developed countries to developing countries amounts to environmental injustice.

Name the International Treaty formulated to curb this practice.

[2] A Critical Appraisal of Conventional Paradigm of Development from the Viewpoints of Sustainability, Environmental Impact and Equity
Chapter: [2] A Critical Appraisal of Conventional Paradigm of Development from the Viewpoints of Sustainability, Environmental Impact and Equity
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Write the expanded form of the following.

HYV

[2] Food
Chapter: [2] Food
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Write the expanded form of the following.

TRIPS

[3] International Trade
Chapter: [3] International Trade
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Write a term for the description given below.

A factual data of deaths in a population during a specific period.

[2] Human Populations
Chapter: [2] Human Populations
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Write a term for the description given below.

The permit that allows the holder to emit one tonne of carbon dioxide.

[2] Monitoring the Atmosphere: Techniques
Chapter: [2] Monitoring the Atmosphere: Techniques
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Write a term for the description given below.

The maximum number of individuals that can be supported by an ecosystem without causing any damage to the environment.

[5] Threats to the Ecosystem
Chapter: [5] Threats to the Ecosystem
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Write a term for the description given below.

Government’s decision to restrict the international trade to protect and promote domestic business.

[3] International Trade
Chapter: [3] International Trade
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What is natural resource accounting? 

[1] Definition: Resources; Scarcity and Growth; Natural Resource Accounting
Chapter: [1] Definition: Resources; Scarcity and Growth; Natural Resource Accounting
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The thermometers used commonly in households are high risk sources of mercury which is a toxic soil pollutant. It can pose a serious health hazard if not disposed carefully. It should not be discarded carelessly but returned to the shopkeeper who should then return it to the manufacturer for its safe disposal or resource retrieval.

Under which environmental scheme is the shopkeeper responsible for the safe disposal? Explain.

[5] Soil Testing
Chapter: [5] Soil Testing
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State any four functions of the Central Pollution Control Board.

[1] Pollution Monitoring
Chapter: [1] Pollution Monitoring
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A monkey and a butterfly inhabit the same area in a forest. Each follows a different life pattern for its survival.

  1. Identify the survival strategies followed by the two species mentioned above.    (1)
  2. In the event of a natural calamity, the monkey flees the forest and moves to a stable environment while the butterfly stays in the forest and struggles to survive. Account for the differences in their reactions to the natural calamity.    (3)
[3] Stewardship of Land (E.G. Wendell Berry)
Chapter: [3] Stewardship of Land (E.G. Wendell Berry)
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Why did Cuba switch to organic farming?

[2] Food
Chapter: [2] Food
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Water crisis can lead to social unrest and misery. Explain the statement with reference to Cochabamba.

[4] Water Testing
Chapter: [4] Water Testing
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Explain any four ecological impacts of Transnational Companies.

[3] Economic Status and Welfare (Net Economic Welfare, Nature Capital, Ecological Capital, Etc.)
Chapter: [3] Economic Status and Welfare (Net Economic Welfare, Nature Capital, Ecological Capital, Etc.)
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Farah bought a flat in a new housing society shown below. The builder told her that the housing society integrated the best practices of rural and urban living.

  1. Identify the emerging style of living shown above.
  2. Why is this style of living preferred to an ultra-modern way of living?
[1] Modern Schools of Ecological Thought
Chapter: [1] Modern Schools of Ecological Thought
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How did Gandhi’s advocacy of Khadi address the political, environmental and socio economic needs of Indian villages?

[1] Traditional Agriculture in India
Chapter: [1] Traditional Agriculture in India
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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.

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

[1] Traditional Agriculture in India
Chapter: [1] Traditional Agriculture in India
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