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)
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