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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
A plant requires potassium for
Choose an answer
Synthesizing proteins
Synthesizing chlorophyll
opening and closing of stomata
None of these
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Question # 2
Omnis cellula- e Cellula was hypothesized by
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Schleiden
Rudolph Virchow
Lorenz Oken
Louis Pasteur
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Question # 3
Which one of the following is not found in bacteria.
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Cell membrane
Ribosome
Nucleoid
Capsule
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Question # 4
If we add more substrate to already occurring enzymatic reaction and it has no effect on the rate of reaction, then what will be be the situation of the following
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Saturation
Denaturation
Composition
Inhibition
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Question # 5
The number of chromosomes in fruity fly Drosophila.
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16
8
26
48
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Question # 6
The enzymes involved in the viral replication are synthesized
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On viral ribosomes
In the interior surface of viral membrane
By the host cell
On the interior surface of viral coat
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Question # 7
Passive immunity is developed by injecting.
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Vaccine
Serum
Antiserum
Antibiotic
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Question # 8
A disease which is highly contagious is.
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Measles
Mumps
Herps
None of these
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Question # 9
Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of.
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Nitrogen atom
Sulpher atom
Magnesium atom
Potassium atom
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Question # 10
Which of the following are being used as bio pesticides.
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Bacteria
Fungi
Virus
Algae
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Question # 11
If more substrate to an already occurring enzymatic reaction is added more enzyme activity is seen because
Choose an answer
There is probably more substrate present than there is enzyme
There is probably more enzyme available than there is substrate
There is probably more product present than either substrate or enzyme
The enzyme substrate complex is probably failing to from during the reaction
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Question # 12
The ultimate source of change is.
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Evolution
Mutation
Genetic drift
Migration
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Question # 13
The type of Nastic movement ,which occurs in response to contact is called.
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Hyponastic
Photonasty
Nyctinasty
Thermonasty
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Question # 14
Water used for industrial purposes is about
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9%
90%
70%
50%
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Question # 15
Trial and error learning has no role in
Choose an answer
Operant learning
Classical conditioning
Insight
Imprinting
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Question # 16
Bilirubin damages brain cells and turn the skin and whites of eyes yellow, condition is known as.
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Hepatitis
Leukamia
Jaundice
Botulism
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Question # 17
G
1
is time between the end of mitosis and initiation of DNA synthesis also called as
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Pre-DNA synthesis phase
DNA synthesis phase
Post-DNA synthesis phase
None of these
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Question # 18
In human pair of cranial nerves are
Choose an answer
12
14
16
18
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Question # 19
Cambium is formed in stage.
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One
Two
Three
Four
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Question # 20
In the eighteenth century organisms were classified by
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Charles Darwin
Alfred Wallace
Carolus Linnaeus
J.B Lamarck
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Question # 21
Apical dominance is cause by.
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Gibberellins
Cytokinins
Auxins
Ethene
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Question # 22
The chemical waste of industry is called.
Choose an answer
Pollution
effluent
Pollutant
Toxin
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