1. Which method involves the crossing of two genetically different individuals for improvement?
Answer:
Explanation:
Hybridization is the process of crossing two genetically different individuals to combine the best traits of both.
2. The Green Revolution in India primarily involved the improved production of:
Answer:
Explanation:
The Green Revolution was characterized by the increased production of wheat and rice due to high-yielding varieties.
3. Which of the following is a biofortified crop?
Answer:
Explanation:
Golden rice is biofortified with vitamin A.
4. The breed of poultry introduced for better quality meat and a quick growth rate is:
Answer:
Explanation:
Broilers are a type of poultry bred specifically for meat production.
5. Apiculture refers to the rearing of:
Answer:
Explanation:
Apiculture is the maintenance of bee colonies, primarily for honey collection.
6. Which technique involves growing plants in a nutrient solution without soil?
Answer:
Explanation:
Hydroponics involves growing plants in a nutrient-rich solution, eliminating the need for soil.
7. Outbreeding involves:
Answer:
Explanation:
Outbreeding is the breeding of unrelated animals, which may be of the same breed but having no common ancestors.
8. What is the main advantage of crop rotation?
Answer:
Explanation:
Crop rotation offers multiple benefits including pest control, soil conservation, and increased crop variety.
9. MOET stands for:
Answer:
Explanation:
MOET is a technique used in animal breeding to produce a number of offspring from selected animals.
10. Which among the following is a method of conserving plant varieties?
Answer:
Explanation:
Cryopreservation involves storing plant seeds, embryos, or tissues at very low temperatures for future use.
11. The semi-dwarf variety of wheat developed by Dr. Norman Borlaug resulted in:
Answer:
Explanation:
The semi-dwarf wheat varieties played a significant role in the Green Revolution.
12. Fish farming is also known as:
Answer:
Explanation:
Pisciculture refers to the breeding, rearing, and transplantation of fish.
13. Which of the following is a single-cell protein source?
Answer:
Explanation:
Both algae and Spirulina are used as sources of single-cell proteins.
14. The use of biopesticides is advocated because they:
Answer:
Explanation:
Biopesticides are considered environmentally friendly as they degrade naturally and cause less pollution.
15. Which technique helps in developing plants tolerant to drought and salinity?
Answer:
Explanation:
Genetic engineering can introduce specific genes that confer tolerance to adverse conditions.
16. The process of developing a pure line of crops is called:
Answer:
Explanation:
Continuous selection over several generations results in the development of pure lines in crops.
17. Which of the following is a fungal biopesticide?
Answer:
Explanation:
Trichoderma is a genus of fungi that acts as a biopesticide.
18. Which of the following is NOT a method of plant breeding?
Answer:
Explanation:
Intercropping is a farming practice, not a method of plant breeding.
19. The process where fish spawn naturally in reservoirs and then are harvested is termed:
Answer:
Explanation:
Capture fishery involves the harvesting of naturally occurring fish populations.
20. Which of the following increases the milk yield in cows?
Answer:
Explanation:
Certain hormones can be administered to boost milk production in cows.