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NAT I Medical Biology MCQs With Answers
Question # 1
The % of protein in case of chromosomes is
Choose an answer
100%
80%
60%
20%
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Question # 2
All populations within a ecosystem is called
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Habitat
Niche
Biosphere
Community
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Question # 3
The main tracheae divide and subdivide forming very fine thin walled tubule called
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Spiracles
Tracheoles
Tracheal end cells
Air spaces
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Question # 4
An association between a fungus and roots of higher plants is called
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Mycorrhizae
Lichen
Fungus
None
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Question # 5
Which of the following fungi used as antibiotics
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Yeast
Mushrooms
Penicillium
Rusts
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Question # 6
In plants which of the cells directly involved in gaseous exchange
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Xylem
Phloem
Mesophyll cells
Air spaces of hemoglobin cells
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Question # 7
Chemically carbohydrates are Polyhydroxy of
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Aldehydes or ketons
Benzene
Alcohol
Carboxylic acid
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Question # 8
Viruses are recognized as a particles of nucleic often with a
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Protein coat
Lipid coat
Carbohydrate coat
None
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Question # 9
Different alleles of a gene that are both expressed in a heterozygous condition are called
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Co dominance
Incomplete dominance
Over dominane
Complete dominance
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Question # 10
Which one is not involved for upset of nutrient cycle
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Not enough food is produced
Too much consumed
Land is less
Decayed nutrients are not returned to the ground
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Question # 11
Carbohydrates in the cell combine with protein and a resultant compound is called
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Glycolipids
Glycoprotein
Glycogenesis
Glycolic acid
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Question # 12
The instrument that is used ti measure the relative abilities of different pigments to absorb different wavelengths of light is
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Viscometer
Thermometer
Spectrophotometer
Electrometer
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Question # 13
Which of the following phylum have animals which lack tissue organized into organs and have indeterminate shape and are symmetrical
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Arthropoda
Echinodermata
Coeleontrats
Porifera
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Question # 14
Which one of the following statement is not appropriate for fungi
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They are heterotrophic
Their cell wall is mostly of chitin
Their plant body is termed Hyphae
Their are autotropic
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Question # 15
Cytochromes contain a pigment
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Magnesium
Sulphur
Phosphorus
Iron
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