Plant Leaf Structure and Functions

The video tutorial explains the role of leaves as the food factory of plants, detailing the process of photosynthesis where plants use sunlight, carbon dioxide, and water to produce food. It describes the structure of leaves, including veins, mid-rib, and blade, and discusses the gas exchange process where plants take in carbon dioxide and release oxygen.

What is the primary function of leaves in plants?

• To store nutrients

• To support the plant

• To absorb water

• To prepare food

What do plants use to prepare food?

• Sunlight, carbon dioxide, and water

• Oxygen, water, and soil

• Carbon dioxide, water, and soil

• Sunlight, oxygen, and soil

What is the large central vein in a leaf called?

• Side vein

• Root

• Blade

• Mid-rib

What is the term for the outer layer of a leaf?

• Mid-rib

• Vein

• Blade

• Root

What gas do plants take in from the air?

• Nitrogen

• Hydrogen

• Oxygen

• Carbon dioxide

What gas do plants release into the air?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon dioxide