Plant Structure and Function

Front

What is the function of the endodermis in plant roots?

Back

The endodermis acts as a selective barrier that regulates the flow of water and nutrients into the vascular system of the plant.

Front

What is the role of the cortex in plant roots?

Back

The cortex stores food and helps in the transport of water and nutrients from the soil to the vascular tissues.

Front

What hormone is essential for plant cell division and cytokinesis?

Back

Cytokinins are essential for promoting cell division and cytokinesis in plant cells.

Front

What is the function of giberellins in plants?

Back

Giberellins promote stem elongation, seed germination, and flowering in plants.

Front

What is the role of phloem in plants?

Back

Phloem is responsible for the transport of sugars and other metabolic products downward from the leaves.

Front

Define auxins and their role in plant growth.

Back

Auxins are hormones that regulate plant growth by promoting cell elongation, apical dominance, and root formation.

Front

What is the significance of the epidermis in plants?

Back

The epidermis serves as a protective layer for the plant, preventing water loss and providing a barrier against pathogens.

Front

How do auxins affect phototropism in plants?

Back

Auxins promote cell elongation on the side of the plant that is away from light, causing the plant to bend towards the light source.

Front

What is the difference between xylem and phloem?

Back

Xylem transports water and minerals from the roots to the rest of the plant, while phloem transports sugars and nutrients from the leaves to other parts.

Front

What is the role of stomata in plant leaves?

Back

Stomata are small openings that allow for gas exchange, enabling the plant to take in carbon dioxide and release oxygen.