Genetics and Evolution (AIIMS Biology): Questions 24 - 29 of 50

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Question number: 24

» Genetics and Evolution » Molecular Basis of Inheritance

Appeared in Year: 2005

MCQ▾

Question

cDNA probes are copied from the messenger RNA molecules with the help of:

Choices

Choice (4) Response

a.

DNA polymerase

b.

Restriction enzymes

c.

Reverse transcriptase

d.

Adenosine deaminase

Question number: 25

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

Appeared in Year: 2004

MCQ▾

Question

DNA is present in.

Choices

Choice (4) Response

a.

Mitochondria and endoplasmic reticulum

b.

Mitochondria and chloroplasts.

c.

Chloroplast and lysosomes

d.

Chromosomes and dictyosomes

Question number: 26

» Genetics and Evolution » Molecular Basis of Inheritance » Genetic Code

Appeared in Year: 1985

MCQ▾

Question

The function of non-sense codons is

Choices

Choice (4) Response

a.

To release polypeptide chain from t-RNA

b.

To terminate the message of a gene controlled protein synthesis

c.

To convert a sense DNA into non sense DNA

d.

To form an unspecified amino acid

Question number: 27

» Genetics and Evolution » Molecular Basis of Inheritance » Translation

Appeared in Year: 1981

MCQ▾

Question

A DNA strand is directly involved in the synthesis of all the following except- [AIIMS, 85]

Choices

Choice (4) Response

a.

r-RNA

b.

Another DNA

c.

Protein

d.

t-RNA & m-RNA

Question number: 28

» Genetics and Evolution » Heredity and Variation » Sex Determination-in Humans, Birds, Honey Bee

Appeared in Year: 1985

MCQ▾

Question

A colour blind man marries a normal lady whose father was colour blind. If it produces two sons & two daughters, how many of them would be suffer [AIIMS, AFMS-88]

Choices

Choice (4) Response

a.

One son & one daughter

b.

Both sons & both daughters

c.

Both sons

d.

Both daughters

Question number: 29

» Genetics and Evolution » Molecular Basis of Inheritance » Transcription

Appeared in Year: 2005

MCQ▾

Question

Which one of the following statement is true for protein synthesis (translation):

Choices

Choice (4) Response

a.

Only one codon codes for an amino acid

b.

The third base of the codon is less specific

c.

Amino acids are directly recognized by m-RNA

d.

Every t-RNA molecule has more than 1 amino acid attachment site

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