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DNA

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which is the best definition of DNA?

a)

a spiral ladder

b)

something in your cells

c)

the genetic code

d)

What makes you, you

2.

Which scientist helped Watson & Crick discover the shape of DNA but didn't win the Nobel Prize?

a)

Wilkins

b)

Franklin

c)

Watson

d)

Crick

3.

The yellow part of this picture is DNA. What is the X shaped object?

a)

chromosome

b)

gene

c)

DNA

d)

ACTG

4.

DNA is inside your cells. What organelle is DNA found in?

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

Lysosome

5.
What is the human genome?
a)
a piece of DNA
b)
a chromosome
c)
all of your cells
d)
all of your DNA
6.

Which sentence is FALSE?

a)

All organisms have 23 pairs of DNA.

b)

Chromosomes are made of DNA.

c)

DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine

d)

DNA is the genetic code for life!

7.

What is this picture?

a)

humans' 46 chromosomes

b)

our genes

c)

the human genome

8.

Who discovered the structure of DNA?

a)

Watson & Crick

b)

Franklin

c)

Watson, Crick & Franklin

d)

Watson, Crick, Wilkins & Franklin

9.
The twisted ladder shape of DNA is referred to as a ....
a)
Twizzler candy
b)
twisted ladder
c)
double helix
d)
yo mama
10.

Now that scientists know all the letters that make up human DNA (i.e. have "mapped" the human genome), what can doctors do in the near future?

a)

Perform the right surgery for us.

b)

Personalize our medicines based on our genetics (DNA).

c)

Give us super powers.

d)

Prevent disease.

11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
13.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
14.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
15.

How many chromosomes do humans have?

a)

23

b)

46

c)

92

d)

64

16.

A random change in DNA base pairs results in:

a)

Mitosis

b)

Meiosis

c)

mutation

d)

Osmosis

17.

Thymine bonds with ______________.

a)

Adenine

b)

Guanine

c)

Cytosine

d)

Thymine

18.

A-T & G-C

a)

True

b)

False

c)

insufficient information

19.

What is the yellow object in this picture?

a)

chromosome

b)

gene

c)

DNA

d)

ACTG

20.

A-C & G-T

a)

True

b)

False

c)

insufficient information