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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The rate of an enzyme catalyzed reaction
Choose an answer
Is constant under condition
Decreases as substrate concentration increases
Cannot be measured
Can be reduced by inhibitors
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Question # 2
Which one is not the layer or wall of heart.
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Pericardium
Myocardium
epicardium
endocardium
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Question # 3
The mRNA of the total cell RNA is above
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3-4 %
1-2%
2-4%
3-5%
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Question # 4
Chlorophyll molecule contains except.
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Magnesium
Iron
Calcium
Phosphorus
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Question # 5
Hepatitis C is caused by virus.
Choose an answer
DNA -Non enveloped
DNA Enveloped
RNA non enveloped
RNA enveloped
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Question # 6
After a fatty meal, fat globules may make up
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10% of the lymph
1% of the lymph
15% of the lymph
1.5 % of the lymph
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Question # 7
Two kinds of spores are present.
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Lycopodium
selaginella
Anthoceros
Adiantum
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Question # 8
Pseudocoelom is non-homologous to true coelom because
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It is not lined by coelomic epithelium
It has no relation with reproductive and excretory organs
It develops from blastocoel
All of the above
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Question # 9
Which of the following is not an attribute of population.
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Population density
Gene frequency
Gene structure
Gene flow
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Question # 10
Poisonous mushrooms are called.
Choose an answer
Truffles
Moreis
Agaricus
Toadstools
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Question # 11
Reindeer moss is a
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Fungus
Lichen
Moss
Mold
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Question # 12
Walter Fleming first discovered chromosomes in the dividing cells of.
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Frog larvae
Sea urchin larvae
Insect larvae
Salamander larvae
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Question # 13
The sclerenchyma cells found in seed coats and nut shells are the
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Fibres
Vessels
Tracheids
scleriedes
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Question # 14
Hyponastic movements occur in response to.
Choose an answer
Contact
Chemical
Temperature
Water
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Question # 15
In human only one ovum is usually discharged from the ovary at one time this phenomenon is called
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Ovulation
Menstruation
Oestrous
Apomixes
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Question # 16
Who was the first to propose an objective definition of instincts in terms of animal behaviour
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Darwin
Lamarck
Wallace
Lyell
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Question # 17
Adenine and guanine are called
Choose an answer
Purines
Pyrmidines
Both a & b
None of these
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Question # 18
In terrestrial plants major mechanical stress is imposed by.
Choose an answer
Gravity
Temperature
Wind
Soil
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Question # 19
In 1958, F.C. steward grew a complete carrot plant from tiny piece of.
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Pith
Cortex
Xylem
Phloem
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Question # 20
Which hormone induces labour pain
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LTH
LH
Oxytocirl
Lactogen
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Question # 21
Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.
Choose an answer
Transcription
Replication
Translation
Transformation
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Question # 22
Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of
Choose an answer
Coniferous alpine and boreal forests
Temperate deciduous forests
Tropical rain forests
Grassland ecosystem
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