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NAT I Medical Biology MCQs With Answers
Question # 1
Which of the following is the structural and functional unit of life
Choose an answer
Nucleus
Cytoplasm
Cell
Protoplasm
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Question # 2
Chloroplasts is a
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Single membrane structure
Double membrane structure
Triple membrane structure
None
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Question # 3
Gametes in bryophytes are produced by
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Meiosis
Mitosis
Binary fission
Fragmentation
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Question # 4
The oldest homologous structures are
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Respiratory organ
Circulatory organ
Vestigial organ
Excretory organ
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Question # 5
The general formula of monosaccharides is
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(CH
4
O)
n
(CH
2
O)
n
(CH
3
O)
(CHO)
n
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Question # 6
The basic unit of biological information is
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Alleles
Nucleus
Cytoplasm
Genes
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Question # 7
Which of the following method of asexual reproduction found in plants
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Multiple fission
Binary fission
Both A and B
Parthenocarpy and grafting
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Question # 8
In frog the exchange of gases takes place through
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Lungs
Skin
Buccal chamber
All of above
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Question # 9
The direct or indirect source for food shelter, clothing,fuel for humans is
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Water
Land
Air
Environment
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Question # 10
Gaseous exchange through the lungs is called
Choose an answer
Cellular respiration
Pulmonary respiration
Inhalation
Expiration
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Question # 11
Recent system of classification the five kingdom system was proposed was proposed by
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Robert Hook
Robert Brown
Robert Whittaker
Robert Koch
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Question # 12
Littoral zone is
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Beyond the shore
Near the shore
Mid the shore
Bottom zone
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Question # 13
Which one is not of the four phases of growth of multicellular plants
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Cell division
Zone of elongation
Maturation
Differentiation
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Question # 14
If two generation are vegetatively similar such alternation of generation is refered to as
Choose an answer
Isomorphic
Heteromorphic
Saprophytic life cycle
None
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Question # 15
Ciliates are unicellular organisms with a flexible outer covering called a
Choose an answer
Chitin
Epithelium
Pellicle
Cell membrane
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