Grade 8 Chemistry Worksheet: Plants

Plants Multiple Choice

Grade 8 Chemistry Plants Multiple Choice Medium 20 Questions 23 Views

Classroom Worksheet

Grade 8 Chemistry Worksheet: Plants

Plants Multiple Choice

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Grade: Grade 8

Subject: Chemistry

Topic: Plants

Time: 20 Minutes

Difficulty: Medium

Questions: 20

Instructions:
Read each question carefully and choose the best answer. Circle or write the letter of the correct choice. Questions become slightly more challenging as you move through the worksheet.

Skills Practiced:

Plants
Chemistry
Critical Thinking
Problem Solving

1Question

Which gas do plants take in from the air during photosynthesis?

2Question

Which part of a plant mainly absorbs water and minerals from the soil?

3Question

What green pigment in leaves helps plants capture light energy?

4Question

Where does most photosynthesis happen in a plant?

5Question

Which substance is made by plants during photosynthesis?

6Question

Which gas is released by plants as a product of photosynthesis?

7Question

What do plants need for photosynthesis?

8Question

Which part of the plant transports water from the roots to the leaves?

9Question

What is the main function of the stomata on leaves?

10Question

Which plant structure contains most of the chloroplasts?

11Question

Why are leaves usually broad and flat?

12Question

What happens to the rate of photosynthesis if a plant gets more light, up to a certain point?

13Question

Which of these is a correct word equation for photosynthesis?

14Question

What do plants use glucose for?

15Question

Which process is most directly responsible for making food in plants?

16Question

If a plant is kept in the dark for a long time, what will most likely happen?

17Question

Which factor is most likely to affect how fast a plant can photosynthesize?

18Question

Why do guard cells matter to plants?

19Question

Which statement best explains the role of carbon dioxide in plants?

20Question

A plant with yellow, unhealthy leaves may have less chlorophyll. What effect would this most likely have?

Answer Key

#	Answer
1	A. Oxygen
2	B. Roots
3	C. Chlorophyll
4	A. Leaves
5	D. Glucose
6	B. Oxygen
7	C. Light, water, and carbon dioxide
8	A. Stem
9	D. Allow gas exchange
10	B. Leaf cells
11	C. To collect more sunlight
12	A. It increases
13	D. Carbon dioxide + water -> glucose + oxygen
14	B. Energy and growth
15	C. Photosynthesis
16	A. It will make less glucose
17	B. Light intensity
18	D. They help control the opening and closing of stomata
19	A. It is a raw material used to make glucose
20	C. It would reduce the plant's ability to capture light energy