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DNA structure and replication

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

the genetic material of an organism is

a)

cytoplasm

b)

DNA

c)

mitochondria

d)

plasma membrane

2.

a....... is a segment of DNA on a chromosome

a)

Gene

b)

RNA

c)

chromatid

d)

nucleotide

3.

DNA strand takes the shape of

a)

straight strand

b)

double helix

c)

single strand

d)

non of the above

4.

a molecule made of nitrogen base sugar and phosphate group

a)

ribose

b)

nucleotide

c)

table salt

d)

protein

5.

the process of copying DNA molecule to make another DNA molecule is called

a)

transcription

b)

translation

c)

replication

d)

digestion

6.

type of nucleic acid that carries the code for making proteins from the nucleus to cytoplasm

a)

DNA

b)

Amino acid

c)

Fatty acid

d)

RNA

7.

the process of making mRNA from DNA is called

a)

translation

b)

transcription

c)

replication

d)

excretion

8.

RNA has a nitrogen base that is not found in DNA called

a)

Uracil

b)

adenine

c)

guanine

d)

cytosine

9.

Thymine is found in RNA

a)

true

b)

false

10.

Nitrogen base adenine (A) always bind with nitrogen base .....

a)

Guanine (G)

b)

Thymine (T)

c)

Cytosine (C)