Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 21 of 210
Question 201 Easy

What is the primary function of the root system in plants?

A
To prepare food
B
To absorb water and minerals
C
To perform photosynthesis
D
To exchange gases
Question 202 Easy

Which part of the plant is responsible for the absorption of water and nutrients from the soil?

A
Root hairs
B
Stomata
C
Chloroplasts
D
Guard cells
Question 203 Easy

What are vascular bundles composed of?

A
Xylem and Phloem
B
Epidermis and Cortex
C
Root hairs and Stomata
D
Chloroplasts and Mitochondria
Question 204 Easy

Which tissue transports food from leaves to other parts of the plant?

A
Xylem
B
Phloem
C
Epidermis
D
Cortex
Question 205 Easy

What is the process by which plants make their own food called?

A
Respiration
B
Transpiration
C
Photosynthesis
D
Translocation
Question 206 Easy

Which pigment is essential for photosynthesis?

A
Chlorophyll
B
Hemoglobin
C
Melanin
D
Xanthophyll
Question 207 Easy

Where does photosynthesis primarily occur in plants?

A
Roots
B
Stem
C
Leaves
D
Flowers
Question 208 Easy

What are the tiny openings in leaves called that allow gas exchange?

A
Root hairs
B
Stomata
C
Epidermis
D
Cuticle
Question 209 Easy

Which of the following is a product of photosynthesis?

A
Carbon dioxide
B
Oxygen
C
Nitrogen
D
Hydrogen
Question 210 Easy

What is the loss of water from aerial parts of plants called?

A
Photosynthesis
B
Respiration
C
Transpiration
D
Translocation
Showing 201-210 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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