Question

Please send me the one word of chapter improvement in food resources?

Answer 1

Question 1. Name any two fodder crops.
Answer: Berseem, oats or sudan grass are raised as food for the livestock, called fodder crops.

Question 2. What do you understand b.y photoperiod of sunlight?
Answer: Photoperiod are related to the duration of sunlight required for plant growth.

Question 3. Name two kharif crops.
Answer: Paddy and soyabean.

Question 4. Name two rabi crops.
Answer: Wheat and gram.

Question 5. Define hybridisation.
Answer: Hybridisation refers to crossing between genetically dissimilar plants, to obtain, better variety of crops.

Question 6. What are genetically modified crops?
Answer: By introducing a gene with required characters into a crop for its improvement is called genetically modified crop.

Question 7. “Shorter the duration of the crop from sowing to harvesting, the more economical is the variety”. Give reason for this.
Answer: Due to short duration of crop growth, farmers can grow more crops in a year, and reduce the cost of drop production.

Question 8. Name different types of crop production practices involved in India.
Answer: They are (a) no cost production, (b) low cost production and (c) high cost production.

Question 9. Who provides nutrients to plants?
Answer: Nutrients to plants are provided by air, water and soil.

Question 10. What are macro-nutrients?
Answer: The nutrients required by plants in larger quantity is called macro-nutrients. They are nitrogen, phosphorus, potassium, calcium, magnesium and sulphur.

Question 11. Name the nutrients that plant obtain from air and water.
Answer: Air – Carbon and oxygen Water- Hydrogen and oxygen

Question 12. State the difference between compost and vermi-compost.
Answer: The compost is obtained by decomposition of organic waste like animal excreta, plant waste etc. naturally due to decomposition by bacteria.
Vermi-compost: To hasten the process of decomposition redworms are added to this organic matter to obtain compost.

Question 13. Name any two weeds.
Answer: Parthenium and Xanthium.

Question 14. What causes disease in plants?
Answer: It is caused by pathogens such as bacteria, fungi and viruses.

Question 15. Name two Indian cattle.
Answer: Bos indicus – cows 4 Bos bubalis – buffaloes

Question 16. Name two exotic breeds of cattle.
Answer: Jersey and Brown Swiss

Question 17. Name two variety of food required for milch animals.
Answer:

• Maintenance requirement – food required to keep animal healthy
• Milk producing requirement – food required for increased lactation Animal food includes roughage and concentrate also.

Question 18. State the meaning of capture fishing and culture fishing.
Answer: Capture fishing: It is done from natural resources.
Culture fishing: It is done by fish farming.

Question 19. Name four marine fish varieties.
Answer: Pomphret, mackerel, tuna and sardines.

Question 20. What is apiculture?
Answer: Keeping bee for obtaining honey commercially is called apiculture.

Question 21. Name the products obtained from apiculture.
Answer: Honey and wax both are obtained from apiculture.