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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
Stomata close when guard cells:
Choose an answer
Loss water
Gain chloride ions
Become turgid
Grain potassium ions
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Question # 2
A protein found in the rod cells of retina of eye is:
Choose an answer
Trypsin
Pepsin
Rhodopsin
None of these
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Question # 3
Three kingdom Classification system was proposed in:
Choose an answer
1866
1937
1688
1788
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Question # 4
........... was the 1st person to observe cells with a small microscope.
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Robert Hooke
Leeuwenhoek
Dolland
Robert Brown
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Question # 5
Pyruvic acid is produced in ______ respiration:
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Aeorbic
Anaerobic
Both aerobic and anaerobic
None of these
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Question # 6
Cell membrane is ....................... .
Choose an answer
Selectively permeable
Impaemeable
Totally permeable
None
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Question # 7
There are_______________chromosomes in radish.
Choose an answer
46
18
16
23
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Question # 8
Scientific name of pea plant is.
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Dilbergia Sisso
Pisum indicum
Homosaplens
pisum Sativum
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Question # 9
The wavelike movement of muscle that pushes food through the digestive system is called:
Choose an answer
Chemical digestion
Emulsification
Absorption
Paristalsis
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Question # 10
Mitochondria store _______________
Choose an answer
AMP
ADP
ATP
None
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Question # 11
The diseases of Kwashiorkor and marasmus may be due to;
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Mineral deficiency
Over intake of nutrients
Protein-energy malnutrition
Ulcer
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Question # 12
A symbiotic interaction in which both partners get benefits.
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Mutualism
Commensalism
Parasitism
Predation
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Question # 13
The components of coordination action are:
Choose an answer
two
three
five
seven
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Question # 14
The actual location of gene on chromosome is.
Choose an answer
Locus
Karyotype
chromatids
Centromere
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Question # 15
Mescaline is obtained from a plant:
Choose an answer
Datura
Cannabis
Morning Glory
Cactus
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Question # 16
the depression near the centre of concave area of kidney is called.
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Cortex
Hilus
Medulla
Pyramids
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Question # 17
Urine contains the least amount of.
Choose an answer
Urea
Sodium Ions
Water
Potassium Ion
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Question # 18
It is an example of endoparasite:
Choose an answer
mosquitoes
leeches
lice
plasmodium
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Question # 19
First step in Genetic Enginnering is:
Choose an answer
Isolation of gene of interest
Insertionof gene into a vector
Transfer of recombinent DNA into host
Growth of the GMO
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Question # 20
In man which hormone is responsible for the development of secondary sex characters:
Choose an answer
estrogen
progesterone
testosterone
oxytocin
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Question # 21
The gas produced in mesophyll cells as by product during day time is called.
Choose an answer
Oxygen
Carbon dioxide
Nitrogen
Chlorine
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Question # 22
How many hydrogen bounds are formed between adenine and thymine?
Choose an answer
1
2
3
4
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