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B1 and B5 - DNA

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

Where can DNA be found in a cell?

a)

cytoplasm

b)

cell membrane

c)

nucleus

d)

ribosomes

2.

What is the key term used to describe what is in the picture?

a)

Just DNA

b)

Gene

c)

Nucleus

d)

Chromosome

3.

Genes are short sections of (a)  

4.

which sentence best describes the job of genes?

a)

They're instructions that code for all of your characteristics

b)

They protect your cells

c)

They code for your eye colour only

5.

Which of these are examples of characteristics? Tick all that apply.

a)

Eye colour

b)

Hair colour

c)

Ability to play football

d)

Height

6.

DNA has two (a)  

7.

DNA is made of a double (a)  

8.

(a)   pairs join up the two DNA strands

9.

What is shown by A?

a)

Cell

b)

Nucleus

c)

Gene

d)

Chromosome

10.

What is shown by B?

a)

Cell

b)

Nucleus

c)

Gene

d)

Chromosome

11.

C shows (a)  

12.

D shows (a)  

13.

You inherit your genes from (a)  

14.

What are the 3 main points about the structure of DNA?

a)

Has two strands

b)

Has one strand

c)

It's a double helix

d)

It's a triple helix

e)

It's joined in the middle by base pairs

15.

Chromosomes are long tightly coiled (a)  

16.

What are the jobs of the nucleus? Tick 2 boxes

a)

Contains your DNA

b)

It's where respiration happens

c)

Controls the cell's activities

d)

It contains cell sap

17.

Your characteristics are determined by your (a)  

18.

Who am I? I'm a small section of DNA.

(a)  

19.

Who am I? I'm long tightly coiled DNA

(a)  

20.

Who am I? I'm in your cell and I contain DNA.

(a)  

21.

What is your full name?

4 lines