Gentics and Evoloution MCQ question and answer with solution

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6

1.
The broken ends of the chromatids behave as if they are 'sticky', and undergo fusion which results in the formation of a

A. Monocentric chromatid

B. Dicentric chromatid

C. Acentric chromatid

D. Polycentric chromatid

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2.
Darwin finches' refers to a group of

A. fishes

B. lizards

C. birds

D. amphibians

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3.
The main doctrine of Neo-Lamarckism is that

A. Only those organisms that have acquired beneficial and relatively good variations survive

B. The advantageous variations are inherited and gradual accumulation of such variations has given rise to a new species

C. The adaptation is a general process, and it is the outcome of the interaction between living organisms and the environment

D. The acquired characters are inherited to the successive generations

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4.
The actual distance between two genes is said to be equivalent to the

A. Percentage of chromosomes that take part in crossing over

B. Percentage of crossing over between the genes

C. Number of linked genes

D. Number of synaptical complexes formed

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5.
The major steps of prebiotic molecular evolution include

A. Accumulation of a secondary atmosphere of NH₃, CH₄, H₂O, H₂, CO₂ etc. of volcanic origin

B. Self assembly of polypeptides into protoproteinous protocells

C. Capture of ATP, pyrophosphate-or-phosphate utilizing mechanism

D. Capture of nucleic acid-synthesis mechanisms; appearance of ribosomes

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6.
The commonly used osmotic stabilizers to stabilize the newly released protoplasts include

A. Mannitol

B. Sorbitol

C. Ascorbic acid

D. Both A and B

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7.
Match List-I with List-II and select the correct answer:

List-I (Sites of DNA polymerase) List-II (Functions)

a. A template site 1. Contains the primer on which the newly synthesized DNA strand grows

b. A primer site 2. Present at the tip of the primer, which has a terminal 3' OH group

c. A primer terminus site 3. Attaches to the DNA template and holds a section of DNA in place

d. A triphosphate 4. Where an incoming nucleoside triphosphate matches a complementary nucleotide on the DNA template and is bound to the 3' OH position of the primer

A. a-1, b-2, c-3, d-4

B. a-3, b-4, c-2, d-1

C. a-2, b-1, c-4, d-3

D. a-3, b-1, c-2, d-4

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8.
The three structural elements in eukaryotic chromosomes essential for the commitments of chromosome in the life history of a cell include

A. Centromere, telomere and chromatid

B. Telomere, chromatid and replication origin

C. Chromatid, satellite and replication origin

D. Centromere, telomere and replication origin

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9.
What determines the sex of a child?

A. Chromosomes of the father

B. Chromosomes of the mother

C. Rh-factor of the parents

D. Blood group of the father

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10.
Match the following columns.

Column I Column II

a. Darwin 1. Inherited

b. Genetic drift 2. Not inherited

c. Mutation in germ cells 3. HMS Beagle

d. Mutation in somatic cells 4. Founder effect

A. a-1, b-2, c-3, d-4

B. a-3, b-4, c-1, d-2

C. a-3, b-4, c-2, d-1

D. a-4, b-3, c-2, d-1

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1 2 3 4 5 6 7 8 9 10

List-I (Sites of DNA polymerase)	List-II (Functions)
a. A template site	1. Contains the primer on which the newly synthesized DNA strand grows
b. A primer site	2. Present at the tip of the primer, which has a terminal 3' OH group
c. A primer terminus site	3. Attaches to the DNA template and holds a section of DNA in place
d. A triphosphate	4. Where an incoming nucleoside triphosphate matches a complementary nucleotide on the DNA template and is bound to the 3' OH position of the primer

Column I	Column II
a. Darwin	1. Inherited
b. Genetic drift	2. Not inherited
c. Mutation in germ cells	3. HMS Beagle
d. Mutation in somatic cells	4. Founder effect

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

1. The broken ends of the chromatids behave as if they are 'sticky', and undergo fusion which results in the formation of a

Answer & Solution

2. Darwin finches' refers to a group of

Answer & Solution

3. The main doctrine of Neo-Lamarckism is that

Answer & Solution

4. The actual distance between two genes is said to be equivalent to the

Answer & Solution

5. The major steps of prebiotic molecular evolution include

Answer & Solution

6. The commonly used osmotic stabilizers to stabilize the newly released protoplasts include

Answer & Solution

Answer & Solution

8. The three structural elements in eukaryotic chromosomes essential for the commitments of chromosome in the life history of a cell include

Answer & Solution

9. What determines the sex of a child?

Answer & Solution

10. Match the following columns. Column I Column II a. Darwin 1. Inherited b. Genetic drift 2. Not inherited c. Mutation in germ cells 3. HMS Beagle d. Mutation in somatic cells 4. Founder effect

Answer & Solution

Read More Section(Gentics and Evoloution)

1.
The broken ends of the chromatids behave as if they are 'sticky', and undergo fusion which results in the formation of a

2.
Darwin finches' refers to a group of

3.
The main doctrine of Neo-Lamarckism is that

4.
The actual distance between two genes is said to be equivalent to the

5.
The major steps of prebiotic molecular evolution include

6.
The commonly used osmotic stabilizers to stabilize the newly released protoplasts include

8.
The three structural elements in eukaryotic chromosomes essential for the commitments of chromosome in the life history of a cell include

9.
What determines the sex of a child?

10.
Match the following columns.

Column I Column II

a. Darwin 1. Inherited

b. Genetic drift 2. Not inherited

c. Mutation in germ cells 3. HMS Beagle

d. Mutation in somatic cells 4. Founder effect