This document provides instructions for a summative assessment in Biology for Class 8. It will be 2 hours long and cover Chapters 4-7, with 45 total marks. It includes multiple choice, short answer, and longer answer questions. The questions cover topics like the first vaccine developed, examples of biodegradable and non-biodegradable materials, food plants, agricultural processes, deficiency diseases, conservation methods, medicinal plants, natural resources, microbes, irrigation techniques, and products from animals. Students are directed to answer short questions in 1-2 sentences and longer questions in 2-3 or 5-6 sentences, with one question requiring 7-8 sentences.

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Summative Assessment – Semester II
Biology
Class: 8 Max Mks: 45
Time: 2 hrs
Chapters included are
4. Health and Hygiene
5. Pollution and Conservation
6. Food Production and Management – I
7. Food Production and Management – II
General Instructions:
All questions are compulsory
Questions 1 to 5 are multiple-choice questions and carry 1 mark each. Choose the appropriate option
and write the answer in the answer sheet.
Question 6 to 10 carry 1 mark each and must be answered in 1 or 2 sentences.
Questions 11 to 19 carry 2 marks each must be answered in 2 or 3 sentences.
Questions 20 to 23 carry 3 marks each and must be answered in 5 or 6 sentences.
Question 24 carries 5 marks and must be answered in 7 or 8 sentences.
1. First vaccine was produced by
(a) Pasteur
(b) A. Fleming
(c) Jenner
(d) Robert Hooke
2. Paper is a
(a) Biodegradable material
(b) Non-biodegradable material
(c) Conventional energy source
(d) All the above
3. Which of the following is not a food plant?
(a) Coir
(b) Cereals
(c) Pulses
(d) Vegetables

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4. The process of loosening and turning the soil is called?
(a) Ploughing
(b) Threshing
(c) Broadcasting
(d) Winnowing
5. Yeast is used in/as
(a) Bread-making
(b) Medicines
(c) Fertilizer
(d) None of the above
6. Name one non-biodegradable waste.
7. Cholera is caused by ____________.
8. What do you mean by pollutant?
9. Quinine is obtained from ____________.
10. Name one weedicide.
11. Mention uses of thresher.
12. Name two examples of flesh-yielding animals.
13. Define agricultural practices.
14. Name three deficiency diseases.
15. 3R’s refer to ___________, ____________, ______________.
16. Give four examples of medicinal plants.
17. Define domestication.
18. Give two examples each of crop plants and horticultural plants.
19. (i) To conserve soil, __________ cultivation is practiced in hills.
(ii) Diseases of heart and kidney are due to ____________.

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20. Mention the contributions of Louis Pasteur.
21. What is meant by natural resources with examples?
22. Write a brief note on the importance of microbes.
23. State the different ways in which fields are irrigated.
24. Give a list of useful products obtained from animals.