Biology 9th Chap 8 : Topic 1 - Maryam Publications

Biology Chapter 8 : Topic 1

Mineral Nutrition in Plants

1 / 10

What is mineral nutrition in plants?

A) Absorption of sunlight by leaves

B) Production of glucose during photosynthesis

C) Movement of water through xylem

D) Uptake and utilization of mineral ions by plants for growth and metabolism

2 / 10

Mineral nutrients are mainly absorbed by plants from:

A) Soil

B) Air

C) Sunlight

D) Chlorophyll

3 / 10

Which part of the plant is primarily responsible for absorbing minerals?

A) Roots

B) Leaves

C) Flowers

D) Stem

4 / 10

Mineral nutrition is important because minerals are required for:

A) Growth and metabolic activities

B) Gas exchange only

C) Seed dispersal only

D) Pollination only

5 / 10

Which of the following best describes mineral nutrients?

A) Organic compounds produced by plants

B) Inorganic elements required for plant growth

C) Waste products of metabolism

D) Sugars stored in roots

6 / 10

Plants obtain most mineral nutrients in the form of:

A) Proteins

B) Insoluble particles

C) Mineral ions dissolved in water

D) Gases

7 / 10

Which statement about mineral nutrition is correct?

A) It occurs only in leaves.

B) It involves only water absorption.

C) It is the uptake and use of essential mineral elements by plants.

D) It is part of respiration.

8 / 10

The process by which plants obtain essential elements from the soil is called:

A) Photosynthesis

B) Transpiration

C) Respiration

D) Mineral nutrition

9 / 10

Which of the following is directly related to mineral nutrition?

A) Uptake of nitrate ions by roots

B) Opening of stomata

C) Pollination

D) Release of oxygen from leaves

10 / 10

Why do plants need mineral nutrients?

A) To manufacture chlorophyll, proteins, and other important substances

B) To absorb sunlight

C) To release oxygen

D) To increase transpiration

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