General Science #16 Multiple Choice Questions

GENERAL SCIENCE #16

MULTIPLE CHOICE QUESTIONS

1. Which of the following crops are grown in rainy season?

(a) Seasonal crop

(b) Monsoon crop

(c) Kharif crop

(d) Rabi crop

Answer: (c)

2. Rabi crops are grown in which of the following seasons?

(a) Spring

(b) Summer

(c) Rainy

(d) Winter

Answer: (d)

3. Now a days seeds are sown in the field using which of the following?

(a) Seed drill

(b) Seed tiller

(c) Seed plough

(d) Seed tractor

Answer: (a)

4. Which of the following description is true for describing ‘fertiliser’?

(a) Organic in nature

(b) Does not cause pollution

(c) Produced in factories

(d) Used in large quantity

Answer: (c)

5. Rhizobium (a bacteria) which fixes atmospheric nitrogen are found in nodules growing in which of the following?

(a) Leaves of leguminous plants

(b) Stem of leguminous plants

(c) Roots of leguminous plants

(d) None of the above

Answer: (c)

6. Before sowing the seeds, which of the following tools are used to break soil to the size of grains to get better yield?

(a) Bullock, tiller, tractor

(b) Plough, hoe, cultivator

(c) Plough, seed drill, tractor

(d) Tractor, hoe, seed drill

Answer: (b)

7. Growing different crops alternately on the same land is technically called which of the following?

(a) Crop rotation

(b) Crop revolution

(c) Crop change

(d) Crop alternation

Answer: (a)

8. Moat, dhekli and rahat are different traditional methods of which of the following?

(a) Weeding

(b) Seed sowing

(c) Irrigation

(d) Cultivation

Answer: (c)

9. What is called the process of the grain seed separation from the chaff in the harvested crop?

(a) Seeding

(b) Ploughing

(c) Weeding

(d) Threshing

Answer: (d)

10. The farm appliance ‘Combine’ is a combined …………….

(a) Seed drill cum thresher

(b) Harvester and thresher

(c) Harvester cum sprayer

(d) Plough and harvester

Answer: (b)

11. Diseases like chicken pox and polio are caused by which of the following?

(a) Fungi

(b) Virus

(c) Worms

(d) Bacteria

Answer: (b)

12. Which of the following are the examples of multicellular microorganism?

(a) Bacteria and fungi

(b) Bacteria and viruses

(c) Algae and fungi

(d) Algae and bacteria

Answer: (c)

13. What are the medicines called which are obtained from micro-organisms that are applied to kill or stop the growth of disease causing microorganisms?

(a) Antibiotics

(b) Antiseptics

(c) Antibodies

(d) None of the above

Answer: (a)

14. Which of the following is a common preservative used in pickle and jam?

(a) Nitric acid

(b) Sodium chloride

(c) Copper sulphate

(d) Sodium benzoate

Answer: (d)

15. Which of the following terms best describes the rhizobium found in root nodules of leguminous roots?

(a) Atmospheric oxygen fixer

(b) Atmospheric nitrogen fixer

(c) Atmospheric carbon fixer

(d) None of the above

Answer: (b)

16. Lactobacillus is commonly found in which of the following?

(a) Curd

(b) Bread

(c) Cake

(d) None of the above

Answer: (a)

17. What is called the process of conversion of sugar into alcohol by yeast?

(a) Pasteurisation

(b) Alcoholism

(c) Fermentation

(d) None of the above

Answer: (c)

18. The pores in the bread is due to gas bubbles of which of the following?

(a) Nitrogen dioxide

(b) Nitrogen

(c) Carbon dioxide

(d) Oxygen

Answer: (c)

19. What is called the process of deliberately injecting weak microbes into a healthy body and producing antibodies to fight against strong microbes?

(a) Antibiotics

(b) Vaccination

(c) Medication

(d) None of the above

Answer: (b)

20. The microbe for malaria is carried by which of the following?

(a) Female anopheles mosquito

(b) Male aedes mosquito

(c) Female aedes mosquito

(d) Male anopheles mosquito

Answer: (a)