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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Histoplasmosis caused by spores of fungus is the serious infection of.
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Kidney
skin
Lungs
Heart
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Question # 2
The citric acid cycle
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Takes place in the mitochondrion
Produces two molecules of NAD
+
for every glucose molecule processed
It is same as fermentation
Has no connection with the respiratory chain
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Question # 3
Initially, the classification was based on
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Cytology
Physiology
Morphology
Genetics
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Question # 4
The most recent era is.
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Paleozoic
Cenozoic
Mesozoic
Protozoic
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Question # 5
The sexual process is exhibited by most cities by
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Binary fission
Budding
Conjugation
Fertilizations
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Question # 6
Binomial system of nomenclature was devised.
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E Chatton
Ernst Haclde
Robert Whittaker
Carlous Linnaces
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Question # 7
Resolution power of a typical compound. microscope is.
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300 x
1.0 micro meter
2.0 micro meter
2-4 Angstron
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Question # 8
Lysosomal sacs are rich in
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Acid oxidase and hydrolytic enzyme
Acid phosphatase and hydrolytic enzyme
Aductase and oxidases only
None of above
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Question # 9
How much air can lungs when they are fully inflated
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5 liters
4 liters
3.5 liters
4.5 liters
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Question # 10
Which of the following is a lipid
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Chitin
Rubber
Starch
Sucrose
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Question # 11
Which is found in herestitial fluid.
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Large proteins
White blood cells
Red blood cells
Platelets
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Question # 12
Fertilizations is the process which leads to the union of.
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Individuals
Gametes
Eggs
Sperms
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Question # 13
The autosomal non disjunction in man in which 21st pair of chromosome fail to segregate resulting in gametes with 24 chromosomes is.
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Down's syndrome
Klinfilter syndrome
Turner's syndrome
Jacob's syndrome
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Question # 14
Nerve cells and eye lens cells remain in stage for life time.
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G0
G1
S
G2
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Question # 15
Secretors have dominant secretor gene 'Se' on chromosome.
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9
19
21
24
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Question # 16
Causative agent of genital herpes is a.
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Virus
Bacteria
fungi
Protozoan
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Question # 17
In human Eustachian tubes connect middle ear with
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Nose
Eye
Throat
Brain
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Question # 18
When expression of a biological character is observed in variable intensity, it is due to the efect of:
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Multiple alleles
Codominance
Epitasis
Polygenic inheritance
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Question # 19
The interphase of meiosis lacks the stage.
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G0
G1
G2
S
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Question # 20
In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :
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Top
Bottom
Intermediate
Top & intermediate
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Question # 21
Nociceptors produce sensation of
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Touch
Pain
Warmth
Pressure
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Question # 22
Unequal separation of chromosomes is called.
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Disjunction
Separation
Non disjunction
Metastasis
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