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Class 9 Science Chapter 15 Improvement In Food Resources Quiz 1 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which of the following best explains the need for crop protection management?

Correct Answer: B) Prevents loss due to weeds, pests, and diseases.

2. Which is a key benefit of composite fish culture?

Correct Answer: C) All food layers in pond are utilized.

3. What are photoperiods related to?

Correct Answer: B) Duration of sunlight.

4. Ammonium sulphate is a

Correct Answer: B) Inorganic.

5. Which one of the following species of honey bee is an Indian species?

Correct Answer: C) Apis Cerana Indica.

6. Which one is rabi crop

Correct Answer: C) Mustard.

7. What is the main advantage of using hydroponic systems in the UAE?

Correct Answer: B) They allow crops to grow without soil, conserving water and space.

8. Improving crop by introducing gene to provide desired characteristics is known as

Correct Answer: A) GMC.

9. In hydroponic farming, how are nutrients delivered to the plants?

Correct Answer: B) Through water.

10. Chickens raised for the production of meat are called

Correct Answer: B) Broilers.

11. Kharif crops are grown from period

Correct Answer: C) June to October.

12. Taking care of animals for meat, milk and eggs is called

Correct Answer: B) Animal husbandry.

13. Explain the concept of crop rotation and its benefits in farming.

Correct Answer: B) Crop rotation helps in replenishing the soil with nutrients, controlling pests and diseases, and reducing soil erosion.

14. Name the three stages in which farming practices are divided.

Correct Answer: A) Choice of seeds, nurturing of crop plants, and protection of the growing and harvested crops.

15. Latin name of sodium is

Correct Answer: B) Sodium.

16. Among the following pick out the correct statement.i. Hybridization means crossing between genetically dissimilar plantsii. Cross between two varieties is called as inter specific hybridizationiii. Introducing the genes of desired characters into a plant gives genetically modified cropiv. Cross between plants of two species is called as inter varietal hybridization

Correct Answer: A) (i) and (iii).

17. What positive impact has the green revolution had on food production?

Correct Answer: B) Increased food grain production.

18. Which bees collect nectar from the flowers?

Correct Answer: B) Worker Bee.

19. What is the complimentary mRNA sequence to the DNA sequence A-T-T-G-C-A.

Correct Answer: C) U-A-A-C-G-U.

20. Choose the incorrect option with respect to improvement factor in crop production.

Correct Answer: C) Long maturity duration.

21. What are the key benefits of using organic fertilizers in farming?

Correct Answer: C) Improved soil health, sustainable crop growth, and reduced environmental impact.

22. Mixed cropping differs from intercropping in that:

Correct Answer: C) Crops are grown simultaneously without a specific pattern.

23. In which of the following cells the vacuole is large in size?

Correct Answer: A) Plant cell.

24. Which one of the following is Kharif crop?

Correct Answer: D) Soybean.

25. Fertilizers cause

Correct Answer: B) Water pollution.

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