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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
................. prevent rickets in children & aoreomalacia in adults.
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Vitamin A
Vitamin E
Vitamin D
Vitamin K
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Question # 2
The removal of undigested food from body is called ............. .
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Digestion
Egestion
Inhalation
None
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Question # 3
____________ classify animals.
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Linnaeus
Aristotle
Drawin
None
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Question # 4
Cell membrane is ....................... .
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Selectively permeable
Impaemeable
Totally permeable
None
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Question # 5
The cell death due to tissue damage is:
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Apoptosis
Necrosis
Metastasis
Synapsis
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Question # 6
Scientists noticed that persons living near marshy areas were most likely suffered from malaria. They will considered this fact as
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Problem
Hypothesis
Observation
Experiment
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Question # 7
Cutting down of trees is known as:
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Habitat loss
Deforestation
Extinction
None of these
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Question # 8
In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .
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1:2
2:1
2:2
3:2
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Question # 9
Chiasmata is formed during:
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Prophase I
Anaphase I
Prophase II
Anaphase II
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Question # 10
When a plant was kept in darkness for many days, its leaves turnes yellow. Why?
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Leaves could not yet oxygen and so there was no photosynthesis
Leaves could not get light and so there was no respiration
Leaves could not get oxygen and so there was no respiration
Leaves could not get light and so there was no photosynthesis
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Question # 11
Which one of these in "not" a characteristic of hypothesis?
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Must be consistent with all available data
Must be testable
Must be correct
Must predictions
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Question # 12
A symbiotic interaction in which both partners get benefits.
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Mutualism
Commensalism
Parasitism
Predation
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Question # 13
The populations that live in a habitat and interact with one another are collectively called.
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Biosphere
Ecosystem
Community
species
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Question # 14
In biotechnology, the production of a product by the mass culture of microorganisms is called:
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Fermentation
Mutation
Fermentor
Fertilization
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Question # 15
The rise of the bread is due to;
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carbon dioxide
ethanol
acetaldehyde
pyruvic acid
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Question # 16
When did scientist become able to cut and unite DNA?
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1945
1924
1944
1970
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Question # 17
Among following, which is source of variations?
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Mutation
Crossing over
Gene flow
All of these
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Question # 18
The deficiency of which hormone cause goitre?
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insulin
thyroxin
parathormone
epinephrine
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Question # 19
Arthritus means:
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fracture
inflammation
crystallization
deficiency of calcium
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Question # 20
Which would NOT be present in the filtrate entering the Bowman's capsule of nephron?
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Water
Calcium ions
Blood cells
Urea
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Question # 21
The cardiotonic known as digitalis, is obtained from a plant:
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Accacia
Brassica
Mimosa
Fox glove
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Question # 22
The respiratory centre is present in :
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Lungs
Brain
Nose
Muscles
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