NBSE Class 9 Question Paper 2019 Home Science

Total number of printed pages : 2 NB-N/HS/1 2019 CLASS-IX HOME SCIENCE Total marks : 70 Time : 3 hours General instructions : i) Approximately 15 minutes is allotted to read the question paper and revise the answers. ii) All questions are compulsory. iii) The question paper consists of 32 questions. iv) Marks allocated to every question are indicated against it. N.B: Check that all pages of the question paper is complete as indicated on the top left side. Choose the correct answer from the given alternatives: 1. Home Science is a field of education with a combination of ______ 1 (a) art and literature (c) art and science (b) art and culture (d) art and skills 2. Which mineral help in the formation of bones and teeth? 1 (a) Calcium (c) Iodine (b) Iron (d) Potassium 3. Use of _____ destroys vitamin-B complex during cooking. 1 (a) vinegar (c) baking soda (b) salt (d) sugar 4. Which food item is prepared by shallow frying? 1 (a) Pakoras (c) French fries (b) Matthi (d) Omelette 5. In pasteurization, food is subjected to_________ 1 (a) low temperature (c) moderate temperature (b) high temperature (d) zero temperature 6. The method of keeping food products in boiling water for 1-3mins is known as 1 (a) vacuumisation (c) irradiation (b) sterilization (d) blanching 7. Which type of latrine is prevalent in towns, cities and villages? 1 (a) Water closet (c) Borehole latrine (b) Bucket latrine (d) Pit latrine 8. Terricot is a blended cloth formed by the combination of 1 (a) cotton + terrylene (c) silk + terrylene (b) cotton + wool (d) wool + terrylene 9. _____is the smallest unit of fabric construction. 1 (a) Yarn (c) Cord (b) Thread (d) Fibre

-2- NB-N/HS/1 10. Which type of clothing is not preferable for old age group? 1 (a) Loose (c) Shiny (b) Soft (d) Comfortable Answer the following questions in 20-30 words : 11. Define Home Science. How does the study of Home Science help an individual to have a happy and healthy life? 2 12. Write any two social functions of a family. 2 13. Mention two important roles shared by the members within the family. 2 14. How are food classified on the basis of the functions of nutrients? 2 15. Give any two functions of vitamin A in our body. 2 16. Define dehydration. Give one example of natural dehydration. 2 17. What is the importance of ventilation at home? 2 18. Why is optimal utilization of gas important? 2 19. What is first-aid? What type of first-aid treatment is given in case of snake bite? 2 20. Differentiate between staple and filament yarn. 2 21. State two ways in which occasion influence the choice of clothing. 2 22. What is meant by psychological and physical comfort, provided by clothing? 2 Answer the following questions in 40-60 words : 23. Write a short note on any three fields of Home Science. 3 24. What is haemoglobin? How is it formed? Write its one function. 3 25. What is deep frying? Write two precautions to be taken during deep frying. 3 26. Write the importance of salt and sugar in the preservation of food products. 3 27. Distinguish between biodegradable and non-biodegradable wastes by giving examples. 3 28. Discuss man-made fibres and their usage. 3 29. Enumerate any three scope of Home Science. 3 Answer the following questions in 80-100 words : 30. Explain in detail the various principles of cooking food. 5 31. What are the reasons for change in a family pattern? Explain. 5 32. Mention five safety precautions to be taken while working in kitchen. 5 *********************