Genetics and Evolution (NEET Biology): Questions 35 - 41 of 165

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Question number: 35

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Change of male and female parents during crosses is known as

Choices

Choice (4) Response

a.

Test cross

b.

Back cross

c.

Reciprocal cross

d.

Monohybrid cross

Question number: 36

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

MCQ▾

Question

Number of sex chromosomes is normal in

Choices

Choice (4) Response

a.

Turner’s syndrome

b.

Super female

c.

Down’s syndrome

d.

Klinefelter’s syndrome

Question number: 37

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

MCQ▾

Question

Feulgen reaction is a special test for

Choices

Choice (4) Response

a.

Protein

b.

RNA

c.

Carbohydrate

d.

DNA

Question number: 38

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Replication

MCQ▾

Question

The most striking example of point mutation is found in a disease called

Choices

Choice (4) Response

a.

Night blindness

b.

Thalassemia

c.

Sickle-cell anaemia

d.

Down’s syndrome

Question number: 39

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

What type of gametes will from by genotype Rr Yy?

Choices

Choice (4) Response

a.

RY, Ry, ry, ry

b.

RY, Ry, rY, ry

c.

Ry, Ry, Yy, ry

d.

Rr, RR, Yy, YY

Question number: 40

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

MCQ▾

Question

Which one of the following pair is correctly matched?

Choices

Choice (4) Response

a.

Francis Crick–Proposed one gene one polypeptide hypothesis

b.

Linus Pauling– Isolated the DNA for the first time.

c.

George Beadle– Proposed the concept of inborn errors

d.

Frederick Griffith– Discovered the phenomenon of transformation

Question number: 41

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

MCQ▾

Question

At which site of a t-RNA molecular hydrogen bonds to a m-RNA molecule?

Choices

Choice (4) Response

a.

3’ end of the t-RNA molecule

b.

Codon

c.

Anticodon

d.

5’ end of the t-RNA molecule

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