ISC Board Class 12 Environmental Science Sample Paper 2025: Sample Paper Free PDF Download!

Question 1

(i)

Potential resources are those resources that already exist in nature but are not used for the benefit of human beings.

Which one of the following represents Potential Resources?

(Application)

[1]

(a)

Hydroelectric power generated by Bhakra Nangal Dam.

(b)

Crude oil discovered in Rampur district of Uttar Pradesh.

(c)

The existence of water in three forms on earth.

(d)

Timber derived from Corbett National Park and transported to various cities.

(ii)

Given below are two statements marked Assertion and Reason. Read the two statements carefully and choose the correct option.

Assertion: Malthus held that the human population would have to resort to subsistence living.

[1]

Reason: He believed that the population grew arithmetically and resources grew geometrically.

Which one of the following is correct? (Analysis)

(a)

Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.

(b)

Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.

(c)

Assertion is true and Reason is false.

(d)

Assertion is false and Reason is true.

(iii)

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

(Understanding)

[1]

(a)

Micro irrigation

(b)

Macro irrigation

(c)

Modern irrigation

(d)

Ultra-modern irrigation

(iv)

High 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? (Application)

[1]

(a)

A shopping mall in Delhi

(b)

A remote village

(c)

The peak of a mountain

(d)

A cement industrial area

(v)

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

[2]

(a)

Ex-situ : In-situ:: Cryopreservation :

(b)

Pull factors: Immigration:: Push factors :

(vi)

Name the radical environmental advocacy group founded by Dave Foreman, Mike Rosella and Howie Wolke. (Recall)

[1]

(vii)

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. (Recall)

[1]

(viii)

Write the expanded forms of the following. (Recall)

[2]

(a)

HYV

(b)

TRIPS

(ix)

Write a term for the description given below.

(a)

Factual data of deaths in a population during a specific period.

(Recall)

[1]

(b)

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

(Recall)

[1]

(c)

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

(Understanding)

[1]

(d)

The government’s decision to restrict international trade to protect and

promote domestic business. (Understanding)

[1]

CHECK: ISC Board Class 12 Environmental Science Sample Paper 2024-25 Free PDF Download