General Science Objective Questions

Science GK Questions for Competitive Exams

MCQ Bit Bank General Science Objective Questions

1) Chikungunya is caused by

a) Bacteria

b) Virus

c) Protozoa

d) None of the above

b) Virus (Chikungunya virus (CHIKV)

2) The crops which are sown in the rainy season are called as?

a) Kharif Crops

b) Rabi Crops

c) General Crops

d) Both a and c

a) Kharif Crops

3) Kharif crops are sown in the period from?

a) June to September

b) September to January

c) In any period they can be sown

d) None of the above mentioned

a) June to September

4) The crops that grown in winter season are called as?

a) Kharif Crops

b) Rabi Crops

c) General Crops

d) None of the mentioned

b) Rabi Crops

5) _______ among the following are agricultural practices?

a) Sowing

b) Preparation of soil

c) Storage

d) All of the above

6) The process of loosening and turning of the soil is called?

a) Tilling

b) Ploughing

c) Both a and b

d) None of the above

c) Both a and b

7) _________ is used for tilling the soil.

a) Plough

b) Hoe

c) Both a and b

d) None

a) Plough

8) ______ is used for removing weeds and for loosening the soil.

a) Plough

b) Hoe

c) Both a and b

d) None

b) Hoe

9) The substance added to the soil for the healthy growth of plants are called?

a) Manure

b) Fertilizers

c) Both a and b

d) None

c) Both a and b

10) Manure is a ____ substance?

a) Organic

b) Inorganic

c) Chemical

d) None

a) Organic

11) Manure is obtained from?

a) Plant waste

b) Animal Waste

c) Both a and b

d) None of the above

c) Both a and b

12) _____is an example of Fertilizers.

a) Urea

b) Ammonium Sulphate

c) Potash

d) All of the above

13) Rhizobium is ______?

a) Bacteria

b) Fungi

c) Yeast

d) None

a) Bacteria

14) A fertilizer is a _____?

a) Organic

b) Chemical waste

c) Inorganic salt

d) None of the above

c) Inorganic salt

15) Fertilizers are very rich in ____?

a) Nitrogen

b) Phosphorus

c) Potassium

d) All of the above

16) Manure provides ____ to the soil?

a) Oxygen

b) Nitrogen

c) Salts

d) Humus

17) The undesirable plants in a agricultural field are called as _____?

a) Weedicides

b) Weeds

c) Both a and b

d) None of the above

b) Weeds

18) Weeds are controlled by using certain chemicals, called _____?

a) Weedicides

b) Fertilizers

c) Both a and b

d) None of the above

a) Weedicides

19) Harvesting refers to?

a) Cutting of crop when mature

b) Cutting of crop when needed

c) Cutting of crop after season

d) All of the above

a) Cutting of crop when mature

20) Harvesting is manually done by using?

a) Sickle

b) Blade

c) Axe

d) None of the above

a) Sickle

21) In the harvested crop, the grain seeds need to be separated from the chaff. This process is called as?

a) Winnowing

b) Threshing

c) Both a and b

d) None of the mentioned

b) Threshing

22) Chikungunya is spreads by ?

a) Aedes albopictus Mosquito

b) Aedes Aegypti Mosquito

c) Both

d) None of the above

c) Both

23) Dengue fever spreads by?

a) Mosquito of the Aedes type

b) Pigs

c) Both a and b

d) None of the above

a) Mosquito of the Aedes type

24) Urea is a known as ?

a) Carbamide

b) Carbonyl diamide

c) Diaminomethanal

d) All of the above

a) All of the above

25) Animals reared at home or in farms, is called as _____?

a) Animal Farming

b) Animal Feeding

c) Animal Husbandry

d) All of the above

c) Animal Husbandry

26) The living organisms which we cannot see with our eyes are called?

a) Micro-organisms

b) Microbes

c) Both a and b

d) None of the mentioned

c) Both a and b

27) ______ are the examples of micro organisms.

a) Bacteria

b) Fungi

c) Protozoa

d) All of the above

28) _______ are microscopic in nature.

a) Algae

b) Viruses

c) Both a and b

d) None of the above mentioned

c) Both a and b

29) Diseases like dysentery and malaria are caused by _____?

a) Algae

b) Protozoa

c) Fungi

d) Bacteria

b) Protozoa

30) Polio and Chicken pox are caused by _____

a) Bacteria

b) Fungi

c) Protozoa

d) Viruses

31) In agriculture, micro organisms are used to increase ____ by fixing nitrogen.

a) Soil Erosion

b) Soil Fertility

c) Both a and b

d) None

b) Soil Fertility

32) Which micro organisms promotes the formation of curd from milk.

a) Bacterium

b) Lactobacillus

c) Both a and b

d) None of the above mentioned

c) Both a and b

33) Which micro organism reproduces rapidly and produces carbon dioxide during respiration.

a) Algae

b) Yeast

c) Bacteria

d) All of the above

b) Yeast

34) Yeast is used for commercial production of _____?

a) Alcohol

b) Wine

c) Both a and b

d) None of the above

c) Both a and b

35) The process of conversion of sugar into Alcohol is called as _______.

a) Fermentation

b) Alcohol Conversion

c) Reduction

d) None

a) Fermentation

36) Louis Pasteur discovered ________?

a) Small Pox

b) Fermentation

c) Virus

d) None

b) Fermentation

37) Fermentation is discovered in the year of ____.

a) 1855

b) 1856

c) 1857

d) 1858

c) 1857

38) Edward Jenner discovered the vaccine for _____?

a) Small pox

b) Chicken Pox

c) Both a and b

d) None

a) Small pox

39) The medicines which stops the growth of the disease causing micro organisms. Such medicines are called ____?

a) Antibiotics

b) Agents

c) Vaccines

d) None

a) Antibiotics

40) Which can be prevented by Vaccination.

a) Cholera

b) TB

c) Smallpox

d) All of the above

41) Pathogens are ______ micro organisms.

a) Disease Prevention Micro Organisms

b) Disease Causing Micro Organisms

c) Both a and b

d) None of the above

b) Disease Causing Micro Organisms

42) Pathogens enter our body through______?

a) Skin

b) Mouth

c) Air we breathe

d) None

c) Air we breathe

43) Diseases which spread from infected persons are called ___?

a) Transmitted Diseases

b) Transferable Diseases

c) Communicable Diseases

d) All of the above

c) Communicable Diseases

44) Measles is caused by _____?

a) Bacteria

b) Fungi

c) Algae

d) Virus

45) Polio is caused by _____ Micro Organism?

a) Bacteria

b) Pathogens

c) Protozoa

d) Virus

46) Mode of transmission of the Tuberculosis disease ?

a) Air

b) Water

c) Food

d) Mosquito

a) Air

47) Causative Micro Organism of Typhoid is _____?

a) Bacteria

b) Virus

c) Both a and b

d) None

a) Bacteria

48) Hepatitis A is caused by _____?

a) Bacteria

b) Fungi

c) Virus

d) Algae

c) Virus

49) Malaria is caused by _____?

a) Mosquito

b) Bacteria

c) Fungi

d) None

a) Mosquito (Female Anopheles mosquitoes )

50) Citrus Canker is a ____?

a) Human Disease

b) Plant Disease

c) Animal Disease

d) All of the above

b) Plant Disease

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