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DNA

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

What is the function of DNA?

a)

is the atom that carries genetic information for the development and functioning of an organism

b)

is the molecule that carries genetic information for the development and functioning of an organism

c)

is the cell that carries genetic information to the brain

d)

is the molecule that carries genetic information to the brain

2.

Each nucleotide contains three/four components:

a)

a phosphate group, which is one phosphorus atom bonded to four oxygen atoms, a sugar molecule, and a nitrogen base.

b)

a phosphate group, which is two phosphorus atoms bonded to four oxygen atoms, a sugar molecule, and a nitrogen base.

c)

2 phosphate group, which is one phosphorus atom bonded to four oxygen atoms, a sugar molecule, and a nitrogen base.

d)

a phosphate group, which is one phosphorus atom bonded to three oxygen atoms, a sugar molecule, and a nitrogen base.

3.

The four types of nitrogen bases are arranged as...

a)

Thimine with Guanine, and Citosine with Adenine

b)

Adenine with Cytosine, and Guanine with Thymine

c)

Adenine with Thymine, and Guanine with Cytosine

d)

Thimine with Adenine, and Citosine with Guanine

4.

DNA stands for

(a)  

5.

How is DNA structured and made?

a)

It is made of two linked strands that wind around each other to resemble a double helix

b)

It is made of 4 linked strands that wind around each other to resemble a double helix

c)

It is made of two linked strands that wind around each other to resemble a twisted ladder

d)

It is made of 4 linked strands that wind around each other to resemble a twisted ladder

6.

What are genes? What do they consist of?

a)

Genes are the small segments of DNA, consisting mostly of 250 to 2 million base pairs.

b)

Genes are the small segments of DNA, consisting mostly of 300 to 1 million phosphate groups.

c)

Genes are the small segments of DNA, consisting mostly of 250 to 2 million base pairs.

d)

Genes are medium segments of DNA, consisting mostly of 150 to 1 million base pairs.

7.

What other function does DNA have?

a)

It is the genetic molecule that carries some the hereditary information

b)

It is the genetic material that carries a part of the hereditary information

c)

It is the genetic information that carries all the hereditary material

d)

It is the genetic material that carries all the hereditary information