NIOS CLASS 12TH Environmental Science (333) SOLVED TMA In English Medium PDF SESSION 2025-26

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Applicable for:

March/April & October/November 2026 Examinations

• Get expert-prepared and error-free solved Tutor Marked Assignments (TMA) 

• Score maximum marks with well-structured answers by NIOS experts

• Includes project work to make your submission 100% complete

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• Best answer format prepared by experienced NIOS tutors

• Instant PDF download available right after payment

• Reliable, accurate, and to-the-point answers

• Well-presented assignments help improve scores

• 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.

(a) Why do ‘stars’ appear as shiny points of light in the sky on a clear night? Name the planet that is nearest to the earth.

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

(a) “Although Rain water is supposed to be beneficial for our crops but continued rainfall does more harm than good to our crops.” Explain this statement in your words. 

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

 (b) Mention four important objectives of The Air (Prevention and Control of Pollution) Act 1981 and Amendments 1987.

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

(b) Floods cause lot damage to our property, lives, agricultural crops etc. Suggest any four preventive methods to manage/control floods.

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

(a)
(i) "To increase precipitation, it is essential to control air pollution." Explain in your own words.
(ii) During which part of the year can we replenish ground water?

6.Prepare any one project out of the given below

Q 6. (a) Fire incidents are increasing day by day in the world. As we know fire is the rapid oxidation of a combustible material in the exothermic process of combustion, releasing heat, light and various reactive products and it also has potential to result in conflagration (large fire which can damage human and animal life and any property) which can lead to permanent physical damage.
Forest fire is one of the types of fire which also divested vegetation as well as the wildlife. Recently there is a fire in the forest of California in the year end of 2024. California has dry, windy and often hot weather conditions from `spring through autumn that can produce moderate to severe wildlife.

Prepare a project report to give answer the following question.

1. How would you define forest fire?
2. What are the main causes of forest fires in California?
3. How does forest fire impact forest environment?
4. What mitigation solutions would you like to suggest for avoiding such forest fire in near future?

For this project, you can take help of your family members, teacher from your study centre, newspaper and internet.

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

Important Notes:

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• Submission deadline:

- 31 January 2026 (For March/April Exam)

- 31 August 2026 (For October/November Exam)

How to Submit?

• Write answers on an A4-size sheet as per the PDF

• Scan and make a PDF file of your assignment

• Upload on the NIOS student portal before the deadline

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