Genetics and Evolution-Molecular Basis of Inheritance (NEET Biology): Questions 45 - 51 of 75

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Question number: 45

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

MCQ▾

Question

Which element is not found in nitrogenous base [NCERT-76]

Choices

Choice (4) Response
a.

Hydrogen

b.

Carbon

c.

Phosphorus

d.

Nitrogen

Question number: 46

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

Appeared in Year: 1991

MCQ▾

Question

Back bone in structure of DNA molecule is made up of-

Choices

Choice (4) Response
a.

Pentose Sugar and phosphate

b.

Sugar and phosphate

c.

Hexose sugar and phosphate

d.

Purine and pyrimidine

Question number: 47

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

MCQ▾

Question

Who propounded the theory one gene one enzyme one chemical reaction

Choices

Choice (4) Response
a.

Watson & Crick

b.

T. H. Morgan

c.

George Beadle and Edward Tatum

d.

Abraham Trembley

Question number: 48

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

MCQ▾

Question

DNA was first discovered by- [AIPMT 76, 85]

Choices

Choice (4) Response
a.

Flemming

b.

Meischer

c.

Watson & Crick

d.

Robert Brown

Question number: 49

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

MCQ▾

Question

Which of the following is called adaptor molecule

Choices

Choice (4) Response
a.

t-RNA

b.

m-RNA

c.

RNA

d.

DNA

Question number: 50

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

Appeared in Year: 2007

MCQ▾

Question

Differentiation of organs and tissues in a developing organism, is association with

Choices

Choice (4) Response
a.

Differential expression of genes

b.

Developmental mutations

c.

Deletion of genes

d.

Lethal mutations

Question number: 51

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

Appeared in Year: 2010

MCQ▾

Question

Select the two correct statements out of the four (a-d) given below about lac operon

Choices

Choice (4) Response
a.

Glucose or galactose may bind with the repressor and inactivated

b.

In the absence of lactose the repressor binds with the operator region

c. Both b. and d. are correct
d.

This was elucidated by Francois Jacob and Jacque Monod

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