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NIOS Environmental Science (333) Solved Assignments [TMA] 2023-24
NIOS SOLVED ASSIGNMENTS [TMA] 2023-24
SENIOR SECONDARY SOLVED [TMA] 2023-24 for class 12
Environmental Science (333)
Tutor Marked Assignment
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Max. Marks: 20
Note:
(i) All questions are compulsory. The marks allotted for each question are given beside the question.
(ii) Write your name, enrollment number, AI name and subject on the first page of the answer sheet.
1. Answer any one of the following questions in about 40-60 words.
(a) Explain that environment contains both biotic and abiotic components. (See Lesson-1)
Ans - Answer anyone
(b) “There is an increased importance given to biological methods for crop protection by the farmers instead of chemicals.” Justify this statement with the help of an example. (See Lesson-17)
Ans - Farmers are increasingly adopting biological methods for crop protection due to their sustainability and reduced environmental impact. One example is the use of beneficial insects like ladybugs to control aphid infestations. Ladybugs are natural predators of aphids and can help maintain a balanced ecosystem in agricultural fields. This approach reduces the need for chemical pesticides, which can harm the environment and non-target species. Additionally, biological control methods often offer a long-term solution, as the natural predators can sustainably manage pest populations without the need for repeated chemical applications.
2. Answer any one of the following questions in about 40-60 words.
(a) How can you explain the nanotechnology for the use of mankind? (See Lesson-16)
(b) Does Ministry of Environment, Forest and Climate Change, Govt. of India (formerly Ministry of Environment and Forest) play a very crucial role towards to benefit of Environment? If yes, give reasons in support of your answer. (See Lesson-25)
3. Answer any one of the following questions in about 40-60 words.
(a) Suppose your father is a farmer, he wants to enhance his crop yield as well as income with the help of modern agricultural practices. Suggest some modern practices for increasing his crop yield and income also. (See Lesson-20)
(b) How can we achieve the goal of minimizing waste? Explain in Brief. (See Lesson-22)
4. Answer any one of the following questions in about 100 - 150 words.
(a) Your mother was reading the morning newspaper. She came across the news that 15 persons were killed by crash of bus with Truck. She asked you how to avoid such kind of road accidents. Suggest any four safety measures to avoid such road accidents. (See Lesson-12)
(b) Environmental Ethics is an idea that should be created in every citizens’ mind. What are the ways in which it can be done? (See Lesson-26)
5. Answer any one of the following questions in about 100 - 150 words.
(a) Why do we consider ground water as suitable source of water supply in India? Mention its special features also. (See Lesson-28A)
(b) Why do we consider petroleum as conventional oil or light oil? Explain in brief. (See Lesson-28B)
6. Prepare any one project out of the given below:
(a) Collect information about important legislative enactment related to environmental protection. Observe the various provisions and prepare a brief report on how they these provisions help in achieving the goals for which they are proposed.
(b) Collect the following information on the topic Pollution (Choose any one type of Pollution) and submit a brief reports along with pictures /illustrated data/ or any support material collected / prepared by you.
(i) Name of the pollution:
(ii) Sources of this pollution
(iii) Its ill effects on the Environment (Plants, animals including humans)
(iv) How can this pollution be reduced or minimized?
(v) Write your suggestions for reducing this pollution.
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