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Genetics and DNA

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

What is full form of DNA?

a)

Deoxyribonucleic acid

b)

Dihydroxybenzoic acid

c)

Diformylpiperazine acid

d)

Ribonucleic acid

2.

What are the four nitrogen bases in DNA?

a)

G, C, A, T

b)

M, C, A, T

c)

G, C, A, F

d)

G, C, N, T

3.

What is the process by which RNA is produced from DNA

a)

Synthesis

b)

Replication

c)

Duplication

d)

Transcription

4.

The DNA molecule is held together by?

a)

Hydrogen bond

b)

Covalent bond

c)

Ionic bond

d)

Metallic bond

5.

The sugar found in DNA is:

a)

Ribose

b)

Deoxyribose

c)

Glucose

d)

Fructose

6.

Which of the following takes the genetic code to the cytoplasm:

a)

tRNA

b)

mRNA

c)

Ribose

d)

Adenine

7.

DNA is called the "blueprint of life" because:

a)

it can relay messages to other molecules


b)

it contains the plans for building an organism

c)

it has a blue color

d)

it is like a fingerprint

8.

RNA differs from DNA in that:

a)
RNA is double-stranded while DNA is single-stranded
b)
RNA contains the sugar deoxyribose while DNA contains the sugar ribose
c)
RNA contains the base uracil instead of thymine found in DNA
d)
RNA is only present in animals while DNA is present in both plants and animals
9.

Which of the following is structure of DNA?

a)

b)

c)

d)

10.

The twisted ladder shape of DNA is called a:

a)
Double helix
b)

Hydrogen helix

c)
Single helix
d)
Quadruple helix