MCQ Questions for Class 9 Science Chapter 15 Improvement in Food Resources

MCQ Questions for Class 9 Science Chapter 15 Improvement in Food Resources allows the students to go over the material they have learnt in class. It can help you deal with tricky questions that can come up in exams and help you get the highest marks possible.

Chapter 15 Class 9 Science CBSE MCQ Questions with answers can be an effective way to assess understanding of key concepts, and can be used to promote deeper thinking about a topic. It help the students to practice what they have learnt in class.

Chapter 15 Improvement in Food Resources Class 9 Science MCQ Questions

1. Which of the following is a protein containing rabi crop?
(a) Peas
(b) Black gram
(c) Green gram
(d) Pigeon pea
▶ (a) Peas

2. The method by which insect pests are exposed to fumes of chemicals without contaminating the stored food grain is called as
(a) spraying
(b) dry storage
(c) cold storage
(d) fumigation
▶ (d) fumigation

3. Which one is not a source of carbohydrate?
(a) Rice
(b) Millets
(c) Sorghum
(d) Gram
▶ (d) Gram

4. Which of the following is a good source of fodder?
(a) Berseem
(b) Lentil
(c) Sudan grass
(d) Both (a) and (c)
▶ (d) Both (a) and (c)

5. The minerals required by a plant in very small quantities are called
(a) macronutrients
(b) micronutrients
(c) manures
(d) fertilizers
▶ (b) micronutrients

6. The increase in food grain production after the introduction of improved varieties of crops is often referred as
(a) White Revolution
(b) Green Revolution
(c) Yellow Revolution
(d) Blue Revolution
▶ (b) Green Revolution

7. To solve the food problem of the country, which among the following is necessary?
(a) Increased production and storage of food grains
(b) Easy access of people to the food grain
(c) People should have money to purchase the grains
(d) All of these
▶ (d) All of these

8. Which of the following is the factor which led to the Green Revolution in India?
(a) Judicious use of pesticides
(b) Proper use of water
(c) Increase in land area under cultivation
(d) Introduction of high-yielding varieties of crops
▶ (d) Introduction of high-yielding varieties of crops

9. Identify the process of preparing manure with the help of earthworms and kitchen wastes.
(a) Green manuring
(b) Manuring
(c) Vermicomposting
(d) Farming
▶ (c) Vermicomposting

10. The practice of growing two or more crops simultaneously in definite rows in the same field is called as
(a) mixed cropping
(b) mixed farming
(c) inter cropping
(d) crop rotation
▶ (c) inter cropping

11. Choose the method that involves improving crop varieties.
(a) Hybridization
(b) Selection
(c) Plant breeding
(d) Introduction
▶ (c) Plant breeding

12. Why is a pulse crop grown in an time interval between two cereal crops?
(a) To compensate for the loss of phosphate
(b) To compensate for the loss of water
(c) To compensate for the loss of sulphur
(d) To compensate for the loss of nitrogen
▶ (d) To compensate for the loss of nitrogen

13. Which high-yielding varieties of wheat were initially developed by an Indian scientist by cross-breeding the traditional varieties?
(a) Mexican varieties
(b) American varieties
(c) European varieties
(d) African varieties
▶ (a) Mexican varieties

14. The technique of growing two or more different crops together in the same field is known as
(a) mixed cropping
(b) mixed farming
(c) inter cropping
(d) crop rotation
▶ (a) mixed cropping

15. Which of the following pairs of cattle can be crossbred to obtain a hybrid variety of cattle with long lactation period and excellent resistance to diseases?
(a) Jersey and Brown Swiss
(b) Sahiwal and Brown Swiss
(c) Red Sindhi and Sahiwal
(d) All of these
▶ (b) Sahiwal and Brown Swiss

16. Macrobrachium rosenbergii is a
(a) fresh water prawn
(b) marine water prawn
(c) fresh water fish
(d) marine water fish
▶ (a) fresh water prawn

17. What is the aim of plant breeding?
(a) Disease-free varieties
(b) High-yielding varieties
(c) Early-maturing varieties
(d) All of these
▶ (d) All of these

18. Which of the following method includes cross-breeding of genetically dissimilar organisms?
(a) Hybridization
(b) Selection
(c) Introduction
(d) Breeding
▶ (a) Hybridization

19. What are the undesirable plants that grow among cultivated crops called as?
(a) Grasses
(b) Weeds
(c) Crops
(d) None of these
▶ (b) Weeds

20. Weeds affect the crop plants by
(a) killing of plants in field before they grow
(b) dominating the plants to grow
(c) competing for various resources of crops (plants) causing low availability of nutrients
(d) all of these
▶ (c) competing for various resources of crops (plants) causing low availability of nutrients

21. Which type of crops are tea, coffee, rubber and coconut?
(a) Sugar crops
(b) Root crops
(c) Oil seed crops
(d) Plantation crops
▶ (d) Plantation crops

22. Which one of following is more advantageous for cattle breeding?
(a) Inbreeding
(b) Random breeding
(c) Controlled breeding
(d) Artificial breeding
▶ (d) Artificial breeding

23. Poultry fowl are susceptible to the which pathogens?
(a) Viruses
(b) Bacteria
(c) Fungi
(d) All of these
▶ (d) All of these

24. Which one of the following nutrients is not available in fertilisers?
(a) Nitrogen
(b) Phosphorus
(c) Iron
(d) Potassium
▶ (c) Iron

25. What does ‘Livestock’ refers to?
(a) Pet animals
(b) Poultry and pet animals
(c) Domestic animals which are kept for use or profit
(d) None of the above
▶ (c) Domestic animals which are kept for use or profit

26. Which one of the following fishes is a surface feeder?
(a) Rohus
(b) Mrigals
(c) Common carps
(d) Catlas
▶ (d) Catlas