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Biology OST Review

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is the organelle that performs cellular respiration?

a)

Golgi Body

b)

Ribosome

c)

Mitochondria

2.

Which solution, when viewed under a microscope , would contain red blood cells that were wrinkled and reduced in volume?

a)

Solution A

b)

Solution B

c)

Solution C

3.

In the process of diffusion, particles move from areas of _________ concentration to areas of __________ concentration.

a)

High to low

b)

Low to high

c)

Deep to shallow

d)

Shallow to deep

4.

What is the process that cells use to regulate internal environment, such as temperature and pH?

a)

Organelles

b)

Homeostasis

c)

Diffusion

d)

Membrane Balance

5.

Which part of the cell membrane allows small uncharged molecules such as oxygen and carbon dioxide to diffuse into and out of the cell?

a)

Proteins

b)

Cholesterol

c)

Phospholipids

6.

Which cell studied (in the table above) is a prokaryote?

a)

Cell 1

b)

Cell 2

c)

Cell 3

d)

Cell 4

7.

What are the four groups of organic compounds (macromolecules) found in living things

a)

Proteins, Lipids, Carbohydrates, Nucleic Acids

b)

Enzymes, phospholipids, cellulose, proteins

c)

Proteins, RNA, DNA, fats

d)

DNA, proteins, enzymes, fats

8.

The macromolecule that stores genetic coded information about how to run the cell is called

a)

DNA

b)

Chitin

c)

Cellulose

d)

RNA

9.

Nucleic Acids are made up of chains of

a)

Monosaccharides

b)

Nucleotides

c)

Amino Acids

d)

Fatty Acids

10.

Which of the following is the primary function of the chloroplast in plant cells?

a)

Photosynthesis

b)

Cellular respiration

c)

Protein synthesis

d)

Lipid storage

11.

In an experiment, a student measures the growth of plants under different light conditions. Which variable is the dependent variable?

a)

Type of plant

b)

Amount of light

c)

Growth of plants

d)

Soil type

12.

What is the role of ribosomes in a cell?

a)

Energy production

b)

Protein synthesis

c)

Lipid breakdown

d)

DNA replication

13.

Which process involves the movement of water across a semipermeable membrane?

a)

Osmosis

b)

Diffusion

c)

Active transport

d)

Facilitated diffusion

14.

Which of the following best describes the function of enzymes in biological reactions?

a)

They increase the activation energy required

b)

They decrease the activation energy required

c)

They are consumed in the reaction

d)

They act as a reactant

15.

What is the primary purpose of the scientific method in experiments?

a)

To prove a hypothesis

b)

To systematically investigate phenomena

c)

To record data

d)

To publish results