Life Science - Plant growth

Plants need air, light, carbon dioxide, and water to grow.

• True

• False

Plants primarily obtain materials for growth only from the soil.

• True

• False

Sunlight is not a source of nutrients for plants.

• True

• False

Plants absorb carbon dioxide primarily from the air.

• True

• False

What is the main role of sunlight in plant growth?

• Providing water

• Producing oxygen

• Generating energy through photosynthesis

In photosynthesis, plants convert carbon dioxide and water into:

• Glucose and oxygen

• Nitrogen and carbon

• Sunlight and minerals

The process by which plants absorb water through their roots is called:

• Transpiration

• Photosynthesis

• Osmosis

Which structures of a plant are used in the absorption of water and carbon dioxide from the air?

• Roots and leaves

• Petals and stems

• Leaves and flowers

• Flowers and stems