Molecular Basis of Inheritance Test

Question 1
1 / -0

The best method to determine the homozygous and heterozygous of an individual is

A
Self-fertilization

B
Test cross

C
Back cross

D
Inbreeding

Question 2
1 / -0

Each strand of DNA has a typical structure. Which of the following statements correctly explains its structure?

A
The sugar-phosphate chain on the outside and the bases on the inside are held together by weak hydrogen bonds.

B
The sugar-phosphate chain on the inside and the bases on the outside are held together by weak hydrogen bonds.

C
The sugar-phosphate chain on the outside and the bases on the inside are held together by strong hydrogen bonds.

D
The sugar-phosphate chain on the inside and the bases on the outside are held together by strong hydrogen bonds

Question 3
1 / -0

Which of the following sequences of the steps involved in the process of polymerisation of amino acids to form a polypeptide is correct?

(1) Activation of amino acids, Termination of polypeptide synthesis, Elongation of polypeptide synthesis, Initiation of polypeptide synthesis
(2) Initiation of polypeptide synthesis, Activation of amino acids, Elongation of polypeptide synthesis, Termination of polypeptide synthesis
(3) Termination of polypeptide synthesis, Elongation of polypeptide synthesis, Activation of amino acids, Initiation of polypeptide synthesis
(4) Activation of amino acids, Initiation of polypeptide synthesis, Elongation of polypeptide synthesis, Termination of polypeptide synthesis

A
(1)

B
(2)

C
(3)

D
(4)

Question 4
1 / -0

When live rough-type bacteria and heat killed S-type were injected together into mice, they died due to pneumonia. Which of the following explains this correctly?

A
Rough-type bacteria, when injected into mice, produce pneumonia.

B
Smooth-type bacteria, when injected into mice, produce pneumonia.

C
Some factors from the dead S-cells convert the live R-cells into S-cells and pneumonia is produced.

D
Some factors from the dead S-cells, when injected into mice, became live S-cells and produced pneumonia.

Question 5
1 / -0

The building block of nucleic acid is

A
nitrogenous base

B
ribose sugar

C
phosphate group

D
nucleotide

Question 6
1 / -0

The physical expression or appearance of a character is called as

A
Ecotype

B
Phenotype

C
Morphology

D
Genotype

Question 7
1 / -0

Which of the following shows the correct type of mutation that takes place on insertion of three bases?

A
Inserts multiple codons

B
Inserts one codon

C
Alters the reading frame from the point of insertion

D
Inserts multple amino acids

Question 8
1 / -0

The tendency of offspring to differ from parents is called

A
Resemblance

B
Variation

C
Inheritance

D
Heredity

Question 9
1 / -0

Which of the following does not define the transcription unit in a DNA?

A
Terminator

B
Promoter

C
Intron

D
Structural gene

Question 10
1 / -0

Which of the following base pairs in DNA are correct?

A
Adenine-Cytosine

B
Guanine-Cytosine

C
Adenine-Guanine

D
Guanine-Thymine

Submit Test

Molecular Basis...

Question 1

Self-fertilization

Test cross

Back cross

Inbreeding

Question 2

The sugar-phosphate chain on the outside and the bases on the inside are held together by weak hydrogen bonds.

The sugar-phosphate chain on the inside and the bases on the outside are held together by weak hydrogen bonds.

The sugar-phosphate chain on the outside and the bases on the inside are held together by strong hydrogen bonds.

The sugar-phosphate chain on the inside and the bases on the outside are held together by strong hydrogen bonds

Question 3

(1)

(2)

(3)

(4)

Question 4

Rough-type bacteria, when injected into mice, produce pneumonia.

Smooth-type bacteria, when injected into mice, produce pneumonia.

Some factors from the dead S-cells convert the live R-cells into S-cells and pneumonia is produced.

Some factors from the dead S-cells, when injected into mice, became live S-cells and produced pneumonia.

Question 5

nitrogenous base

ribose sugar

phosphate group

nucleotide

Question 6

Ecotype

Phenotype

Morphology

Genotype

Question 7

Inserts multiple codons

Inserts one codon

Alters the reading frame from the point of insertion

Inserts multple amino acids

Question 8

Resemblance

Variation

Inheritance

Heredity

Question 9

Terminator

Promoter

Intron

Structural gene

Question 10

Adenine-Cytosine

Guanine-Cytosine

Adenine-Guanine

Guanine-Thymine

User

Question Analysis

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