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Online Tests
Biology Fsc Part 2 Online Test MCQs With Answers
Question # 1
A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at
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Equilibrium
Balance
Stability
Poise
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Question # 2
Abscisic acid can be sprayed on tee crops to regulate
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Leaf drop
Shoot drop
Cone drop
Fruit drop
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Question # 3
The most threatened areas on the earth have been reduced to 44% of their original extent are
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Tropical rain forests
Temperate rain forests
Carbiniferous forests
Deciduous rain forests
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Question # 4
Microtubule are composed of
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Myosin
Troponin
Actin
Tubulin
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Question # 5
If the condon consisted of only two nucleotides, there would be how many possible condons?
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4
8
20
16
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Question # 6
The sensation of pain is produced by
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Chemoreceptors
Photoreceptors
Nociceptors
Mechanoreceptors
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Question # 7
Average loss of blood during birth in human female is about .
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150 cm3
250 cm3
350 cm3
450 cm3
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Question # 8
Resting membrane potential of a neuron is
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50 mv
-70 mv
-60 mv
-80 mv
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Question # 9
The abiotic component of an ecosystem is.
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Temperature
Producer
Consumer
Decomposer
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Question # 10
The gene for blue opsin is present on autosome.
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7
11
19
21
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Question # 11
The genes found in a breeding population constitute.
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Genotype
Gene pool
Genome
Gene frequency
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Question # 12
PSC 101 has antibiotic resistance gene for.
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Tetracycline
Neomycin
Ampicillin
Ergotine
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Question # 13
Most efficient way of supporting the body is seen.
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Fishes
Aves
Reptiles
Mammals
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Question # 14
The biome, which has very fertile soil, rich in organic matter with maximum water holding capacity is.
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Alpine forest
Grassiland
Desert
Temperate deciduous forest
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Question # 15
Primary tissue is added by the
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Lateral meristem
Underground meristem
Apical meristem
Vertical meristem
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Question # 16
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 # 17
Part of brain which controls breathing, heart rate and swelling is.
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Cerebrum
Medulla
Mid Brian
Cerebellum
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Question # 18
Myoglobin has a special function in muscle tissue:
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It breaks down glycogen
It is a contractile protein
It holds a reserve supply of oxygen in the muscle
None of these
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