NIOS CLASS 12TH Environmental Science (333) SOLVED TMA In English Medium PDF SESSION 2022 - 23
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➛ This Nios Tutor Marked Assignment (TMA) is Only valid for 2022-23 Academic Session.
➛ which is Applicable for March/April & October/November 2023 Examination.
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➛ Total six questions are given by Nios in TMA. All questions have 2 options out of which one has to be selected. In this PDF, we have given you the answer of one option which is better so that your marks will be good.
➛ You have to write the question and answer on the A4 size sheet as given in this PDF.
➛ After writing, the page has to be scanned and made a PDF and upload on the portal of NIOS.
1. Answer any one of the following questions in about 40-60 words.
(a) Why do we call earth a habitable planet in universe? Give at least two reasons in support of your answer.
(b) “Metal conservation is one step to avoid metal depletion.” Justify this statement with suitable examples. Give two examples of how will you do this in daily life.
2. Answer any one of the following questions in about 40-60 words.
(a) Describe two ways to conserve and protect soil for future generation.
(b) “Aforestation (Plantation Forest) can never replace the natural forest.” Justify this statement with suitable examples. Do you agree with this statement?
3. Answer any one of the following questions in about 40-60 words.
(a) Describe two effects of modern agricultural methods on agriculture land.
(b)There is a famous Sanskrit verse/saying:
“Sarve Bhavantu Sukhinah, Sarve Santu Niramaya”
“May all be sinless and may all experience happiness.”
Explain this verse or saying in terms of environmental conservation.
4. Answer any one of the following questions in about 100 - 150 words.
(a) What will happen, if the balance necessary between biotic, and abiotic components gets disturbed?
(b) Draw the symbol of ecomark in India. Who issues this symbol? What message is being conveyed through this symbol?
5. Answer any one of the following questions in about 100 - 150 words.
(a) (i) India gets plenty of rainfall, but is not able to utilize it properly. Do you agree? Justify with reason.
(ii) Give two evidences to show that ground water plays an important role in agriculture sustainability.
(b) (i) Do you think fossil fuel is responsible for environmental degradation? Justify.
(ii) How does photovoltaic cell work to produce electricity?
6.Prepare any one project out of the given below
(a)Survey a nearby ecosystem, and prepare a brief report.
Collect information about your nearby ecosystem which may be a park, a terrace garden, a river, an agricultural field, a forest, or even an aquarium in your house. Prepare a power point presentation or a scrap book or an illustrated report with photographs/ pictures (from books/journals/internet etc.) or relevant tables or data. You need to include following information to prepare your project report:
(i) Name of the place (Village/Town/City)
(ii) Kind of ecosystem
a. Natural ecosystem
b. Human modified ecosystem
(iii) Specific characteristics of ecosystem
(iv) Major components of ecosystem
(v) Advantages of an ecosystem
(vi) Comments on impact of human activities, if any
(b) This project will help you to assess the energy consumption; money spent on energy sources, and minimizes the wastage of energy. You can prepare a questionnaire to collect data related to energy resource used, its consumption level, mode of wastage of different resources, and suggestion to minimize the wastage. Present your relevant data in a tabular form or write a brief report up to 200 words. You may also use photographs/ pictures/ drawing of appliances that are being used at your home. Sample questionnaire is as follows:
(i) Name and Address:
(ii) Various types of energy used at your home:
(iii) Monthly electricity bill: A photocopy of previous bill
(iv) Amount of paid bill:
(v) List out electric appliances used in daily life at your home.
(vi) Suggestions to give your family members to save energy.
You can write all information in tabular form. Sample table is as follows:
Note: You can also take help from the lesson-18 and 31-B of your Environmental Science course book or any other resources for preparation of your questionnaire, and report.
NOTE- You will get the answers of all these questions after purchasing the PDF.
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➛ This assignment solution is based on the latest session 2022-23.
➛ The Last date of submission of this assignment is 31 January 2023 (For April examination).
➛ The Last date of submission of this assignment is 31 August 2023 (For Oct. examination).
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