Science MCQs

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

Total Questions
2100
Page 11 of 210
Question 101 Easy

Water and minerals are transported from roots to leaves by:

A
Phloem
B
Xylem
C
Stomata
D
Root hairs
Question 102 Easy

The process by which plants lose water from their leaves is called:

A
Photosynthesis
B
Transpiration
C
Respiration
D
Osmosis
Question 103 Easy

Which part of the plant absorbs sunlight for photosynthesis?

A
Chlorophyll
B
Xylem
C
Phloem
D
Root hairs
Question 104 Easy

The tiny openings on leaves for gas exchange are called:

A
Root hairs
B
Stomata
C
Xylem vessels
D
Phloem tubes
Question 105 Medium

Which of the following does NOT affect the rate of transpiration?

A
Wind
B
Light
C
Gravity
D
Humidity
Question 106 Easy

The green pigment present in chloroplasts is:

A
Xanthophyll
B
Carotene
C
Chlorophyll
D
Melanin
Question 107 Easy

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

A
Xylem
B
Phloem
C
Epidermis
D
Cortex
Question 108 Easy

The process by which plants make their food is called:

A
Respiration
B
Transpiration
C
Photosynthesis
D
Osmosis
Question 109 Medium

Which mineral is essential for chlorophyll formation?

A
Nitrogen
B
Magnesium
C
Calcium
D
Potassium
Question 110 Easy

The loss of water in the form of vapor from leaves is called:

A
Respiration
B
Photosynthesis
C
Transpiration
D
Capillary action
Showing 101-110 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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