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Biology 9th Class Urdu Medium Chapter 9 Online Test MCQs With Answers

Question # 1

Which of the following are not types of transpiration.

Choose an answer

Root

Stomatal

Cuticular

Lenticular

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Question # 2

The plants, which live completely or partially submerged in fresh water are.

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Hydrophyte

Halophytes

Xerophytes

Mesophytes

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Question # 3

Which of the following plant nutrints is requried in large amount.

Choose an answer

Iron

Potassium

Zinc

Boron

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Question # 4

When the rate of photosynthesis become equal to that rate of respiration in the plant body. which of the following pattern of gaseous exchange occurs between plaant and its environment.

Choose an answer

Carbon dioxide is absorbed, and oxygen is released

Oxygen is absorbed, and carbon dioxide is released

Neither carbon dioxide nor oxygen are absorbed

Both carbon dioxide andoxygen are absorbed

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Question # 5

Most of the uptake of water and minerals from soil takes place through.

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Root cap

Epidermal cells

Root

Root Hair

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Question # 6

Which ion plays a role in the opening of stomata.

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Sodium

Potassium

Calcium

Magnesium

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Question # 7

Which of the following is not function of roots in plants.

Choose an answer

photosynthesis

Absorption of water

Anchor the plant

Nutrient absorption

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Question # 8

Root hairs absorb salts from soil by

Choose an answer

Diffusion

Filtration

Active transport

Osmosis

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Question # 9

Which of the following elements are micronutrients for plants.

Choose an answer

Carbon

Zinc

Nitrogen

Phosphorus

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