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Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs

Learn Gentics and Evoloution MCQ Questions and answers with easy and logical explanations in Biology Gk . Gentics and Evoloution MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-2 section-3

Each section contains 100 MCQs on Gentics and Evoloution .
11
The active repressor binds to the inducer molecule to form an R-I complex which results in
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Answer & Solution
Answer: Option B
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12
Evidence which favours the theory of acquired character are
1. Absence of limbs in snakes.
2. Presence of webbed toes in aquatic bird.
3. Lack of pigments in cave dwelling animals.
4. Darwin finches
5. Melanisation peppered moths
Choose the correct option.
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Answer: Option D
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13
The substitution or deletion of one, two or all of the nucleotides in a triplet alters the code which results in a
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Answer: Option C
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14
When crossing over occurs within the inverted segment of a paracentric inversion,
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Answer: Option A
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15
Which of the following situation would most likely result in the highest rate of natural selection?
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Answer: Option D
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16
The technique devised to produce vast quantities of strong and healthy plantlets by rapid vegetative multiplication under controlled conditions is known as
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Answer: Option A
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17
In farm yard manure the microorganisms decompose complex organic debris into a dark amorphous substance known as
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Answer: Option B
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18
. . . . . . . . of species is a reflection of their evolutionary relationship.
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Answer: Option D
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19
It is now held that the first cells in due course of abiogenesis gave rise to three equally ancient cell lines called
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Answer: Option A
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20
Aseptic seedlings are produced by surface sterilizing the seeds in
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Answer: Option C
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