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

Q1. Answer any one of the following questions in about 40-60 words.
(A) What do you understand buffering capacity of the earth and why is it so much important for survival of any organism?
Answer. (A) The Earth's buffering capacity is its ability to maintain a stable pH level, even when acids or bases are added. This is important for the survival of organisms because it helps to maintain a consistent internal environment, or homeostasis.
It helps to regulate the acidity of seawater.
It helps to keep the pH of river water stable.
It helps to maintain a stable pH in soil.

Q2. Answer any one of the following questions in about 40-60 words.
(A) How can school curriculum play an important role towards environmental conservation and ethics?
Answer. (A) Environmental education can play an important role in environmental conservation and ethics by:

Raising awareness - It can help students understand the environment, its natural resources, and the need for sustainable practices.

Developing responsible attitudes - It can help students to develop positive attitudes towards environmental protection and a sustainable future.

Establishing a bond with nature - Environmental education can help students to develop a strong bond with nature.

Q3. Answer any one of the following questions in about 40-60 words.
(B) List three major fossil fuel. Are they renewable or non-renewable resources? Also mention the characteristics of peat, hard coal and intermediate coal.
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Q4. Answer any one of the following questions in about 100-150 words.
(B) i. What is Kalpavriksha? What is its contribution towards society?
 ii. Also mention the contribution of Dr. Bindeshwar Pathak. 

Q5. Answer any one of the following questions in about 100-150 words.
(A) i. Why do we consider hydrogen as very promising clean fuels?
 ii. Why do we consider fossil fuel as a limited

Q6. Prepare any one of the two projects given below:
(B) 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.
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
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