Molecular Basis of Inheritance Test

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Molecular Basis of Inheritance Test - 63

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Weekly Quiz Competition

Question 1
1 / -0

Cytosine base inserted in the beginning of DNA codons ATGATGATG will produce

A
CATGAGGATT

B
CATGATGATG

C
CATGATGATG

D
Nonsense mutation
Question 2
1 / -0

Genetic code was discovered by frameshift mutation by

A
Crick

B
Watson

C
Franklin

D
Khorana
Question 3
1 / -0

Transformation experiments in bacteria were first performed by

A
Macleod

B
Griffith

C
Pasteur

D
Meselson and Stahl
Question 4
1 / -0

Isotopes used in proving semi-conservative replication of DNA were

A
$$^{14}N, ^{14}C$$

B
$$^{14}C, ^{31}P$$

C
$$^{14}N, ^{15}N$$

D
$$^{14}N, ^{31}P$$
Question 5
1 / -0

Type of coiling in DNA is

A
Right handed

B
Left handed

C
Zigzag

D
Opposite
Question 6
1 / -0

DNA is present in

A
Nucleus

B
Chloroplasts

C
Mitochondria

D
All the above

Solution

Correct answer: D
Explanation:
• DNA is mainly found in the nucleus, however, extranuclear DNA is found in certain organelles.
• Mitochondrial DNA is significant in maternal inheritance, whereas chloroplast DNA consists of genes important for photosynthesis.
Hence, DNA is present in all of the above.
Question 7
1 / -0

Out of 64 codons, 61 code for 20 types of amino acids. It is due to

A
Overlapping genes

B
Degeneracy of genetic code

C
Wobbling of codons

D
Universality of codons
Question 8
1 / -0

Genetic code translates the language of __________________.

A
Amino acids into that of RNA

B
RNA into that of protein

C
Protein into that of DNA

D
RNA into that of DNA
Question 9
1 / -0

Correct sequence of code transfer during polypeptide formation is

A
DNA, mRNA, tRNA and amino acids

B
DNA, tRNA, rRNA and mRNA

C
mRNA, tRNA, DNA and amino acids

D
rRNA, DNA, mRNA and tRNA
Question 10
1 / -0

tRNA has two unequal free arms _________________.

A
Short arm ending in - G and long arm in - CCA

B
Short arm ending in - A and long arm in - ACC

C
Short arm ending in G and long arm in - CGA

D
Short arm ending in C and long arm in GCA

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Re-Attempt Weekly Quiz Competition

Molecular Basis of Inheritance Test - 63

Result

Molecular Basis of Inheritance Test - 63

Score

-

Rank

-

SHARING IS CARING

Question 1

CATGAGGATT

CATGATGATG

CATGATGATG

Nonsense mutation

Question 2

Crick

Watson

Franklin

Khorana

Question 3

Macleod

Griffith

Pasteur

Meselson and Stahl

Question 4

$$^{14}N, ^{14}C$$

$$^{14}C, ^{31}P$$

$$^{14}N, ^{15}N$$

$$^{14}N, ^{31}P$$

Question 5

Right handed

Left handed

Zigzag

Opposite

Question 6

Nucleus

Chloroplasts

Mitochondria

All the above

Solution

Question 7

Overlapping genes

Degeneracy of genetic code

Wobbling of codons

Universality of codons

Question 8

Amino acids into that of RNA

RNA into that of protein

Protein into that of DNA

RNA into that of DNA

Question 9

DNA, mRNA, tRNA and amino acids

DNA, tRNA, rRNA and mRNA

mRNA, tRNA, DNA and amino acids

rRNA, DNA, mRNA and tRNA

Question 10

Short arm ending in - G and long arm in - CCA

Short arm ending in - A and long arm in - ACC

Short arm ending in G and long arm in - CGA

Short arm ending in C and long arm in GCA

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