wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Midterm Review

Total questions: 32

Worksheet time: 21mins

Name
Class
Date
1.

A mutation in the gametes could be likely to get passed to..

a)

Their neighbor

b)

Their partner

c)

Their children

d)

Their friend

2.

DNA does what? Select all that apply.

a)

Brings in amino acids to help build a protein

b)

Directly regulates cell differentiation

c)

Contains U's

d)

It is what makes up the ribosome

3.

What statements are true about DNA?

a)

DNA contains the base T

b)

DNA contains the base U

c)

DNA is found in the nucleus

d)

DNA can be found inside and outside the nucleus

e)

DNA is double stranded

4.

What statements are true about RNA?

a)

RNA contains the base T

b)

RNA contains the base U

c)

RNA is single-stranded

d)

RNA is double-stranded

e)

RNA contains the base A

5.

Which cells are considered to be diploid?

a)

Liver Cell

b)

Sperm Cell

c)

Skin Cell

d)

Egg Cell

e)

Spleen Cell

6.

Which cells are considered to be haploid?

a)

Skin Cell

b)

Egg Cell

c)

Liver Cell

d)

Sperm Cell

e)

Heart Cell

7.
Building blocks of proteins are
a)
Simple sugars
b)
Amino acids
c)
Monosaccharides
d)
Polysaccharides
8.
What is responsible for making a protein?
a)
The sequence of the phosphate-sugar backbone.
b)
The sequence of lipids.
c)
The sequence of nitrogenous bases.
d)
The sequence of carbohydrates.
9.
Which of the following describes transcription?
a)
tRNA is made from a DNA template.
b)
tRNA is made in the ribosome.
c)
mRNA is made in the ribosome.
d)
mRNA is made from a DNA template.
10.
A segment of DNA has the following code: T-A-C-G-C-A-A-C-T. What is the correct mRNA sequence?
a)
A-T-G-C-G-T-T-G-A
b)
A-U-G-C-G-U-U-G-A
c)
U-A-C-G-C-A-A-C-U
d)
T-A-C-G-C-A-A-C-T
11.

A nucleotide does NOT contain

a)

a 5-carbon sugar

b)

a nitrogen base

c)

an amino acid

d)

a phosphate group

12.

Where are proteins made in the cell?

a)

Golgi apparatus

b)

Ribosome

c)

Rough ER

d)

Lysosome

13.

A three-nucleotide sequence on a messenger RNA that codes for a single amino acid is known as:

a)

Insertion

b)

Allele

c)

Codon

d)

Nucleotide

14.

Which process usually results in offspring that exhibit new genetic variations?

a)

1

b)

2

c)

3

d)

4

15.

What statement is true about asexual reproduction?

a)

It involves one parent

b)

It makes unique offspring

c)

Sperm and egg combine

d)

It uses meiosis

16.

Two brown eyed parents (Bb) have a baby. What is the chance their baby is blue eyed?

a)

0 %

b)

25%

c)

50%

d)

75%

17.
What is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn?
a)
0%
b)
25%
c)
50%
d)
75%
18.

In which of the following ways does genetic information typically flow in an organism?

a)

trait --> proteins --> RNA --> DNA

b)

RNA --> trait -->protein --> DNA

c)

DNA --> RNA --> protein --> trait

d)

DNA --> protein --> trait--> RNA

19.

Which of the following is true regarding the process shown in the image?

a)

The process shown above is known as cloning and involves the production of RNA from protein molecules.

b)

The process shown above is known as replication and involves the production of DNA from RNA.

c)

The process shown above is known as transcription and involves the production of proteins from DNA.

d)

The process shown above is known as translation and involves the production of proteins from RNA.

20.

Which component of the DNA molecule provides instructions for the production of the protein and determines the traits of the organism?

a)

The phosphate group

b)

The sugar molecule

c)

The sequence of nitrogen bases

d)

The hydrogen bonds that hold the sugars to the bases

21.

What is the purpose of the cellular process shown in the image?

a)

Preserving genetic information for future generations

b)

Deleting the information in the sequence produced from the DNA template

c)

Transcribing information in the DNA sequence for use by the cell

d)

Producing more nucleotides for the DNA sequence

22.

If the mRNA codons read ACA-GUA-GAA-UUG-AUC, what amino acids make up the protein sequence?

a)

Cys-Val-Gly-Ser-Stop

b)

Cys-His-Leu-Asn-Stop

c)

Thre-Val-Glu-Leu-Iso

d)

None of the above

23.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
24.

What is the purpose of Mitosis?

a)

Growth of an organism and Repair of damaged tissue

b)

To help the body get rid of extra cells

c)

To increase the amount of classwork you have to do

d)

To get rid of the nucleus

25.
DNA is replicated during ______ of the cell cycle.
a)
Gap 1 
b)
Synthesis
c)
Gap 2
d)
Gap 0
26.

Why is it important to replicate DNA before a cell divides in mitosis?

a)

In order for genetic information to be transferred into daughter cells.

b)

In order for the cell to be able to increase in size.

c)

In order for the DNA to be contained in the nucleus.

d)

In order for the cell to re-order the DNA sequencing in the new cells.

27.
Uncontrollable cell growth is known as _____
a)
Obesity
b)
Cancer
c)
Diabetes
d)
Hepatitis
28.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

29.

In order for offspring to get a genetic mutation, the mutation must occur in what type of cell?

a)

Cells with no nucleus.

b)

Any body cell after birth.

c)

Cells with no cell wall or cell membrane.

d)

Cells like eggs or sperm cells that are undergoing reproduction.

30.

A tall plant (TT) is crossed with a short plant (tt). What is the genotype?

a)

2 TT: 2 Tt: 0 tt

b)

1 TT: 2 Tt: 1 tt

c)

2 TT: 1 Tt: 1 tt

d)

0 TT: 4 Tt: 0 tt

31.
Hemophilia is a sex-linked recessive disorder. A woman with hemophilia marries an unaffected man whose father had hemophilia. What percentage of their daughters will have hemophilia?
a)
0%
b)
25%
c)
50%
d)
100%
32.

If a cell has 100 chromosomes and undergoes meiosis what is the end result?

a)

4 cells with 50 chromosomes

b)

4 cells with 100 chromosomes

c)

2 cells with 50 chromosomes

d)

2 cells with 100 chromosomes