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
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
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
d) All of the above
16) Manure provides ____ to the soil?
a) Oxygen
b) Nitrogen
c) Salts
d) Humus
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
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
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
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
d) Virus
45) Polio is caused by _____ Micro Organism?
a) Bacteria
b) Pathogens
c) Protozoa
d) Virus
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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