Genetics and Evolution-Molecular Basis of Inheritance (NEET (National Eligibility cum Medical Entrance Test) Biology): Questions 74 - 79 of 85

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Question number: 74

» Genetics and Evolution » Molecular Basis of Inheritance

Appeared in Year: 2016

MCQ▾

Question

A molecule that can act as a genetic material must fulfill the traits given, except

Choices

Choice (4) Response

a.

It should be able to generate its replica

b.

It should be unstable structurally and chemically

c.

It should be able to express itself in the form of ‘Mendelian characters’

d.

It should provide the scope for slow changes that are required for evolution

Question number: 75

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

Appeared in Year: 2016

MCQ▾

Question

Which of the following rRNAs acts as structural RNA as well as ribozyme in bacterial?

Choices

Choice (4) Response

a.

18 S rRNA

b.

23S rRNA

c.

5.8s rRNA

d.

5S rRNA

Question number: 76

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

Appeared in Year: 2017

MCQ▾

Question

The final proof for DNA as the genetic material came from the experiments of

Choices

Choice (4) Response

a.

Hargobind Khorana

b.

Griffith

c.

Hershey and Chase

d.

Avery, Mcleod and McCart

Question number: 77

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

Appeared in Year: 2017

MCQ▾

Question

DNA fragments are

Choices

Choice (4) Response

a.

Negatively charged

b.

Positively charged

c.

Either positively or negatively charged depending on their size

d.

Neutral

Question number: 78

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

Appeared in Year: 2017

MCQ▾

Question

Which of the following RNAs should be most abundant in animal cell?

Choices

Choice (4) Response

a.

r - RNA

b.

t - RNA

c.

m - RNA

d.

mi - RNA

Question number: 79

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

Appeared in Year: 2017

MCQ▾

Question

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

Choices

Choice (4) Response

a.

The smaller the fragment size, the farther it moves

b.

Positive charged fragment moves to farther end.

c.

Negatively charged fragments do not move

d.

The larger the fragment size, the farther it moves

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