NIOS CLASS 12TH Environmental Science (333) SOLVED TMA In English Medium PDF SESSION 2024-25

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Applicable for:

March/April & October/November 2025 Examinations

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• Covers all six questions with one best option for each

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Questions Covered in This PDF:

1. Answer any one of the following questions in about 40-60 words.

What do you understand buffering capacity of the earth and why is it so much important for survival of any organism?

OR

There are given list of some ecosystem. Classify them into natural ecosystem and human modified ecosystem:

Brahmaputra river, Aquaculture, Himalayan Mountain, Tree plantation, Urban ecosystem,Northern Plains of India, Tehri dam, Western Ghats

2. Answer any one of the following questions in about 40-60 words.

How can school curriculum play an important role towards environmental conservation and ethics?

OR

Name the technique which is responsible for increasing the fish yield to a large extent. Due to this technique for yielding of fish, a large number of fish population suffer due to expansion of fish farming. Mention any four consequences /problems that you want to highlight and write at least one sentence on for every consequences /problems.

3. Answer any one of the following questions in about 40-60 words.

State any one natural disaster. Why should we train local people of a community to deal with emergency.

OR

List three major fossil fuel. Are they renewable or non-renewable resources? Also mention the characteristics of peat, hard coal and intermediate coal.

4. Answer any one of the following questions in about 100 - 150 words.

List and explain any four kinds of cultivation and farming techniques that can be employed to reduce soil erosion. Also provide reasons too.

OR

i. What is Kalpavriskh?What is its contribution towards society?
ii. Also mention the contribution of Dr Bindeshawar Pathak.

5. Answer any one of the following questions in about 100 - 150 words.

i. What is meant by hydrological cycle? From where this cycle derive energy for continuing for years?
ii. Why do we consider ground water as a suitable source of water supply in India?

OR

i. Why do we consider hydrogen as very promising clean fuels?
ii. Why do we consider fossil fuel as a limited source of energy?

6.Prepare any one project out of the given below

On 18th December 2023 at around 23.59 30 CST , an earthquake with a magnitude of 5.9 to 6.2 struck Jishishan County in Gansu Province, China. Such type of natural disasters can happen anywhere in the world too. You can prepare a brief report about 500 words and you can also paste visuals of the above mentioned disaster. Either you can take help to use news
paper cuttings /cuttings from magazines / book /other sources or elders to highlight this disaster with reference to points as mentioned below

a. Name the cities those were affected due to this earthquake.
b. Give reasons why earthquakes are occurring frequently in recent time.
c. Highlight the impact of earthquake on humans, animals and infrastructures etc. of these affected cities.
d. Also write about the management of such type of earthquake (post earthquake )

OR

The Conference of the Parties (COP) to the UN Framework Convention on Climate Change (UNFCCC) is an international climate summit, which is held annually unless the Parties (the countries involved) decide otherwise. This convention set out a framework for action aimed at stabilizing atmospheric concentrations of greenhouse gases (GHGs) to avoid “dangerous anthropogenic interference with the climate system.” At COPs, world
leaders gather to work together on solutions to tackle climate change. There are now 198 Parties (197 countries plus the European Union) to the Convention, constituting near universal membership. Till date 28 COPs meeting have already been organized. You can use book/internet/ newspaper/magazines/ consultation with your elders/ tutors from your
AI Centre for writing report. Write your report upto 500 words dealing with followings points about COP.
1. What is the main objective of COPs?
2. When and where the first meeting of COPs was held?
3. Write the brief summary of COP-28 meeting.
4. Mention the initiative is being taken by India at COP-28

NOTE- You will get the answers of all these questions after purchasing the PDF.

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• Submission deadline:

- 31 January 2025 (For March/April Exam)

- 31 August 2025 (For October/November Exam)

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