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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The inhibitor which may destroy the Globular structure of enzyme is.
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Competitive
Non competitive
Reversible
Irreversible
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Question # 2
In the binomial system of taxonomy, the first word of an organism's name is its
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Species
Genus
Race
Family
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Question # 3
A group of living organisms of the same species located in the same place and time is called.
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Community
Population
Induvial
Biome
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Question # 4
The excretory system of flatworms is composed of.
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Nephron
Nephridia
Flame cells
Ganglia
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Question # 5
Funaria is an example of.
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Hepaticopside
Bryopsida
Anthoceropsida
Psilophyta
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Question # 6
The major locomotory structures in bacteria are
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Flagella
Pili
Both a and b
None of these
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Question # 7
___________ plants are said to be amphibian's of plants.
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Angiosperm
Gymnosperm
Bryophytes
Pteridophyte
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Question # 8
Magnesium of chlorophyll is replaced in hemoglobin by.
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Calcium
Iron
Potassium
Phosphorus
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Question # 9
Taste buds of tongue play important role in food.
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Digestion
Selection
Lubrication
Mastication
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Question # 10
An aphid that attacks walnut tree is being controlled biologically by
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Wasp
House fly
Honey bee
Mosquito
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Question # 11
Percentage of carbohydrates in mammalian cell
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1%
2%
3%
4%
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Question # 12
The human life is judged to be maximum of.
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60-70 years
70-100 years
120 -175 years
130-135 years
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Question # 13
In human beings, the homeostatic thermostat is present in a part of the brain called as.
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Thalamus
Hypothalamus
Hipocampus
Amygdala
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Question # 14
In plants movement in response to stimulus of touch is called.
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Phototactie
Chemotatic
Thigmotopism
Nyctinasty
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Question # 15
Muscle present in the gut wall are.
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Smooth
skeletal
Cardiac
Voluntary
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Question # 16
The first convoluted part of vas deferent is called.
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Epididymis
Penis
Sperm
Scrotum
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Question # 17
the reabsorption of water in collecting tubules is under the control of.
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Aidostenrone
ADH
Pressure filtration
Tubular secretion
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Question # 18
The structure which respond are called.
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Effectors
Nerves
Receptors
Sense organs
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Question # 19
Immediately after fertilization, the egg undergoes a series
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Morulla
Gastrulation
Cleavage
Blastula
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Question # 20
The protection of internal environment from the harms of fluctuation in external environment is termed as.
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Osmoregulation
Excretion
Thermoregulation
Homeostasis
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Question # 21
Clear cytoplasm produces
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Larval epidermis
Muscle cells
Gut
Neural tube
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Question # 22
Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as
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Deforestation
A-forestation
Forestation
Both a & b
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