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DNA Genes Chromosome

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Why are your chromosomes arranged in pairs?

a)

Scientists have no idea

b)

Because you get one from your mom and one from your dad

c)

Because pairs can divide easier

d)

Because DNA is awesome

2.

Eye color, hair color, having freckles, etc. are examples of:

a)

DNA

b)

Chromosomes

c)

Genes

d)

Traits

3.

What is the correct sequence of structures from smallest to largest?

a)

Chromosomes, Gene, DNA, Nucleus, Cell

b)

Cell, Nucleus, Chromosomes, DNA, Genes

c)

DNA, Gene, Nucleus, Chromosome, Cell

d)

Gene, DNA, Chromosomes, Nucleus, Cell

e)

Gene Nucleus, DNA, Chromosome, Cell

4.

What do genes do?

a)

Give the body chromosomes.

b)

Control the DNA.

c)

Control the production of proteins.

5.

DNA is short for

a)

Ribonucleic acid

b)

Deoxyribonucleic acid

c)

Nucleic acid

6.

What is a short segment of a DNA strand that codes for our characteristics?

a)

chromosome

b)

DNA

c)

RNA

d)

gene

7.

DNA is a molecule made up of a combination of how many DNA bases?

a)

1

b)

2

c)

3

d)

4

8.

How many pairs of chromosomes do human cells contain?

a)

23

b)

46

c)

16

d)

32

9.

Where is DNA found in a human cell?

a)

ribosome

b)

nucleus

c)

cell membrane

d)

cytoplasm

10.

What is a long coiled strand of DNA and proteins?

a)

gene

b)

RNA

c)

chromosome

d)

genome

11.

Most same genes are located in the same place on pairs of chromosomes.

a)

True

b)

False

12.

We inherit our genes from ...

a)

our nucleus.

b)

our parents.

c)

from the food we eat.

13.

What is the primary function of DNA in living organisms?

a)

To store genetic information

b)

To provide energy for cells

c)

To transport oxygen

d)

To digest food

14.

Which of the following best describes a chromosome?

a)

A single molecule of DNA

b)

A protein that speeds up chemical reactions

c)

A lipid that forms cell membranes

d)

A sugar that provides energy

15.

How do genes influence the traits of an organism?

a)

By coding for proteins that affect the organism's characteristics

b)

By directly interacting with the environment

c)

By providing energy to cells

d)

By forming the structure of cell membranes