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Cell Theory, Organization, & Homeostasis

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following is a characteristic of life that involves organisms responding to external and internal stimuli?

a)

Homeostasis

b)

Movement

c)

Growth and development

d)

Reproduction

2.

What is the term for organisms that get energy from the sun through photosynthesis?

a)

Heterotrophs

b)

Autotrophs

c)

Prokaryotes

d)

Eukaryotes

3.

Which of the following describes asexual reproduction?

a)

Requires two organisms to reproduce

b)

Involves the production of offspring

c)

Only needs one organism to reproduce

d)

Increases in size

4.

What is the primary difference between eukaryotic and prokaryotic cells?

a)

Eukaryotic cells have a nucleus, prokaryotic cells do not

b)

Prokaryotic cells have a nucleus, eukaryotic cells do not

c)

Both have a nucleus

d)

Neither have a nucleus

5.

In the hierarchy of life, what level involves the basic structure and function of living things?

a)

Chemical

b)

Organelle

c)

Cellular

d)

Genetic

6.

What is the primary function of cardiac muscle tissue?

a)

To line surfaces

b)

To contract and move

c)

To receive and respond to stimuli

d)

To support and protect

7.

Which of the following is an example of a connective tissue?

a)

Neuron

b)

Cardiac muscle tissue

c)

Bone

d)

Epithelial tissue in lungs

8.

What is a specialized plant cell that helps prevent water loss?

a)

Lack of cell wall

b)

Guard cells

c)

Changing shape

d)

Projections

9.

What is the role of nervous tissue?

a)

To contract and move

b)

To line surfaces

c)

To receive and respond to stimuli

d)

To support and protect

10.

What is the primary function of the circulatory system?

a)

Absorbs nutrients from the small intestine

b)

Delivers oxygen and removes carbon dioxide and other waste from cells

c)

Blocks blood flow to increase blood pressure

d)

Transports water through vascular tissues

11.

How do shoots in plants interact to maintain water balance?

a)

By absorbing water and minerals from the soil

b)

By closing the stomata to reduce water loss

c)

By increasing blood flow to muscles

d)

By digesting food in the small intestine

12.

What is the role of the control center in maintaining homeostasis?

a)

Detects changes and sends a message

b)

Receives the message and processes it

c)

Responds to the output

d)

Absorbs nutrients from the digestive system

13.

Which of the following is an example of a positive feedback mechanism?

a)

Blood pressure regulation

b)

Blood glucose level stabilization

c)

Fruit ripening

d)

Body temperature maintenance