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DNA Practice Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

In DNA, what pairs with A - Adenine?

a)

T - Thymine

b)

G - Guanine

c)

U - Uracil

d)

C - Cytosine

2.

In DNA what pairs with T - Thymine?

a)

A - Adenine

b)

G - Guanine

c)

C - Cytosine

d)

U - Uracil

3.

In DNA, what pairs with G - Guanine?

a)

U - Uracil

b)

C - Cytosine

c)

T - Thymine

d)

A - Adenine

4.

In DNA, What pairs with C - Cytosine?

a)

A - Adenine

b)

U - Uracil

c)

G - Guanine

d)

T - Thymine

5.

In RNA, What pairs with A - Adenine?

a)

U - Uracil

b)

C - Cytosine

c)

G - Guanine

d)

T - Thymine

6.

What is another word for Nucleotide?

a)

Nitrogenous Base

b)

Nuclear Bomb

c)

Nucleus Mucus

d)

Nucleus Sauce

7.

What Codon does mRNA always start with and what does it code for?

a)

AUG, codes for Met

b)

UAC, codes for Tyr

c)

CUG, codes for Leu

d)

UUA codes for Stop

8.

How many chromosomes do most humans have?

a)

46, 23 pairs

b)

23, 46 pairs

c)

At least 4 or so

d)

XX is a Female

XY is a Male

9.

What does AAA code for?

a)

Lys (K)

b)

Arg (R)

c)

Thr (T)

d)

Val (V)

10.

What does GGG code for?

a)

Gly (G)

b)

Arg (R)

c)

Ser (S)

d)

Lys (K)

11.

What does CGA code for?

a)

Gly (G)

b)

Arg (R)

c)

Ala (A)

d)

Pro (P)

12.

What does UAC code for?

a)

STOP

b)

Tyr (Y)

c)

Ala (A)

d)

Pro (P)

13.

What does CCA code for?

a)

STOP

b)

Phe (F)

c)

Ala (A)

d)

Pro (P)

14.

What does GUU code for?

a)

Ile (I)

b)

Phe (F)

c)

Asp (D)

d)

Val (V)

15.

What does AUC code for?

a)

Ile (I)

b)

Phe (F)

c)

Asp (D)

d)

Gln (Q)

16.

DNA Structure is called a

a)

Double Stranded Helix

b)

Single Stranded Helix

c)

Quantum Stranded Helix

d)

Mega Stranded Heliolisk

17.

How does RNA know when to stop creating an amino acid chain?

a)

It hits a stop codon, UGA, UAA, or UAG.

b)

It hits a start codon, AUG, and knows to start new.

c)

It runs out of space and stops.

d)

It gives up because there's too much work.

18.

What changes in the nucleotides of DNA and RNA?

a)

T - Thymine becomes U - Uracil in RNA

b)

T - Thymine becomes U - Uracil in DNA

c)

A - Adenine becomes U - Uracil in DNA

d)

C - Cytosine becomes U - Uracil in RNA

19.

What does UGG code for?

a)

Ile (I)

b)

His (H)

c)

Trp (W)

d)

Gln (Q)

20.

What does CAC code for?

a)

Arg (R)

b)

His (H)

c)

Trp (W)

d)

Gln (Q)