Question

13. Paddy cannot be grown in winter season. Why?
14. During which months do farmers grow mustard in India?
15. What are organic foods?
16. Cotton is natural polymer. What is its Chemical name?
17. Plastic articles are available in all possible shapes and sizes. Can you tell why
18. A bucket made up of plastic does not rust like a bucket made up of iron .why?
19. Teriycot is made by mixing two types of fibres. Write the names of the fibres.
20. Where do we apply a force while walking?
21. Why it is easy to cut the fruits with a sharp knife as compared to blunt knife?
22. Does force of gravitation exist between two astronauts in space?
23. While sieving grains, small pieces fall down. Which force pulls them down?
24. Give one advantage and one disadvantage of synthetic fibres over natural fibres.
25. What is role of leveler in preparation of soil.
26. Why it is easier to walk on rough surfaces than on smooth surfaces?p​

Answer 1

Answer:

paddy can't be grown in winter because it needs lots of water

bucket made of plastic will not rust because rusting happen only on iron