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THE WONDER WORLD OF GENE

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Some amino acids are coded by more than one codon. so the codon is----

a)

Universal

b)

Specific

c)

Non ambiguous

d)

Degenerate

2.

The secondary structure of tRNA looks like --

a)

Inverted L

b)

Clover Leaf

c)

Alphabet L

d)

Alpha helical

3.

which of the statement is not correct about sickle cell anemia?

a)

Substitution of Glu with Val

b)

Substitution of Val with Glu

c)

RBCs become sickle shaped due to oxygen tension

d)

It occurs due to point mutation

4.

Choose the initiator codon-

a)

UAG

b)

GAA

c)

AUG

d)

GUG

5.

The enzyme responsible for transcription of hnRNA is-

a)

RNA Polymerase-I

b)

RNA Polymerase-II

c)

RNA Polymerase-III

d)

DNA Polymerase

6.

DNA can be formed over RNA through ---

a)

Helicase

b)

Gyrase

c)

Ligase

d)

Reverse transcriptase

7.

Adenine is 30%. What would be the percentage of Guanine?

a)

10%

b)

20%

c)

30%

d)

40%

8.

Prokaryotes can be distinguished from Eukaryotes as they lack-

a)

Unique DNA sequence

b)

RNA

c)

Gene discontinuity

d)

Ribosomes

9.

Central Dogma of molecular Biology was modified with the discovery of--

a)

RNA polymerase

b)

DNA polymerase

c)

DNA ligase

d)

Reverse Transcriptase

10.

DNA gyrase is a type of--

a)

DNA Topoisomerase

b)

DNA polymerase

c)

Helicase

d)

DNA ligase