wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Who was the discoverer of DNA?

a)

Friedrich Miescher

b)

Watson and Crick

c)

Rosalind Franklin

d)

Francis Crick

2.

How did Rosalind Frankin take a photo af the DNA?

a)

She did not take a photo

b)

With a microscope

c)

With a camera

d)

With a new tecnology called X rays difraction

3.

DNA molecule is...

a)

A simple strand structure

b)

A double strand structure

c)

A triple strand structure

d)

None above is correct

4.

The DNA selective binding is...

a)

Adenine-Guanine and Thymine-Cytosine

b)

Adenine-Uracil and Guanine-Cytosine

c)

Adenine-Cytosine and Guanine-Thymine

d)

Adenine-Thymine and Guanine-Cytosine

5.

Nitrogen bases...

a)

Translate genetic information into proteins.

b)

Regulate sugar levels

c)

Determine the biological instruction

d)

Reinforce the links of the pentoses

6.

A gen is...

a)

A segment of DNA with the information necessary to synthesize a protein

b)

A segment of DNA with the information necessary to synthesize carbohydrates

c)

A long chromosome

d)

A segment of DNA that carries out DNA replication

7.

In our DNA, we have...

a)

25.000 genes in total

b)

100.000 protein coding genes

c)

25000 protein coding genes and a lot of junk DNA

8.

Which of the following enzymes is the responsible of copying the DNA strands?

a)

RNA polymerase

b)

DNA polymerase

c)

Helicase

d)

Topoisomerase

9.

Which are the two steps of the protein biosynthesis?

a)

Transcription and traduction

b)

Traduction and replication

c)

Transcription and translation

d)

None of the above

10.

Genetic engineering is applied to these fields

a)

Hormone manufacturing and forensic science

b)

Crop and livestock modification and antiviral medication manufacturing

c)

Hormone and antiviral medication manufacturing

d)

Hormones manufacturing and crop and livestock modification