Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA and RNA

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Which of the following contains the bases adenine, thymine, guanine and cytosine?

a)

DNA

b)

mRNA

c)

RNA

d)

tRNA

2.

What kind of sugar does RNA have?

a)

Deoxyribose

b)

Galactose

c)

lactose

d)

Ribose

3.

Which of the following is the building block of proteins?

a)

amino acid

b)

glycogen

c)

nucleic acid

d)

polypeptides

4.

The nitrogenous base Guanine can pair with _________.

a)

adenine

b)

cytosine

c)

thymine

d)

uracil

5.

A nucleotide in DNA is composed of _________.

a)

deoxyribose sugar,

phosphate, and a nitrogen base

b)

only deoxyribose sugar and phosphate

c)

thymineonly deoxyribose sugar and nitrogen base

d)

only phosphate group

6.

The sugar found in RNA is called _________.

a)

Deoxyribose

b)

Galactose

c)

Lactose

d)

Ribose

7.

The DNA molecule is _________ stranded and the RNA molecule is single stranded.

a)

Double

b)

Quadruple

c)

Single

d)

Triple

8.

Which of the following brings the amino acids to the ribosome?

a)

D NA

b)

mRNA

c)

RNA

d)

tRNA

9.

What is the trinucleotide sequence of DNA or RNA that corresponds to a specific amino acid?

a)

codon

b)

exon

c)

intron

d)

nucleic acid

10.

.What would be the tRNA anticodon for the mRNA codon CAG?

a)

CAG

b)

CUG

c)

GTC

d)

GUC