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NAT I Medical Biology MCQs With Answers
Question # 1
Water regulation in fresh water ciliates is controlled by special organelle called
Choose an answer
Food vacuole
Contractile vacuole
Cytoplasm
Nucleus
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Question # 2
Plasmids were discovered by studying the sex life of the intestinal bacterium
Choose an answer
Entamoeba histolytica
Escherichia coli
Anabena
Plasmodium
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Question # 3
Plasmids are extra circular DNA molecules having genes for
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Antibiotic resistance
Fertility
Both A and B
None
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Question # 4
The cylindrical body of sea-anemone can be cut in 2-equal halves vertically in
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One plane
2-planes
Any plane
D-plane
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Question # 5
The process in which energy-poor inorganic oxidized compounds of carbon and hydrogen are reduced to energy rich carbohydrates using the light energy is called
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Evaporation
Transpiration
Respiration
Photosynthesis
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Question # 6
Mendel choose a pea plants for genetical purpose because of the
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Easily cultivation
Numerous varieties
Generation time is reasonably short
All of above
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Question # 7
In word ecosystem eco word is related to
Choose an answer
System
Collection
Environment
Habitat
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Question # 8
Cytochromes contain a pigment
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Magnesium
Sulphur
Phosphorus
Iron
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Question # 9
Chloroplasts are present mainly in
Choose an answer
Epidermis
Mesophyll tissues
Stoma
Vascular bundle
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Question # 10
Who hypothesized that the organisms involved through the inheritance of acquired character
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Larmark
Darwin
Hutton
Maltus
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Question # 11
In which of the phase chromosome is duplicated structure which consists of 2-sister chromatids
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Hna phase
Prophase
Metaphase
Telophase
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Question # 12
Primary source of carbohydrates are
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Animals
Plants
Both a and b
None
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Question # 13
Which of the following include in Kingdom plantae
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Eukaryotic
Autotrophic
Multicellular
All of above
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Question # 14
If the non-protein part is covalently bonded it is known aas
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Co-enzyme
Activator
Prosthetic group
Product
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Question # 15
Which of the following statement about fossils is wrong
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Fossils are the actual remains of organisms
Fossils may be traces of organisms that lived in ancient geological times
Organisms that are embedded in sand resins or ice can not be considered in fossils
Most fossils are found in sedimentary rocks
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