AP BIOLOGY

Detailed explanation-1: –Plants absorb water from the soil with the help of roots. It also absorbs minerals in organic form through root hairs. The water and minerals get transported by xylem vessels.-The carbon dioxide is taken from the atmosphere along with water and produces organic food.

Detailed explanation-2: -But, roots play a critical role in the life of a plant. They anchor the plant to support the shoots above. They absorb water and mineral nutrients and conduct them upwards. They store carbohydrates and other nutrients that are a source of energy for biennials and perennials as they awaken and grow in spring.

Detailed explanation-3: -The correct option is A True. Transpiration: It is a biological process of water loss in the form of water vapor from the stomatal openings on the aerial parts of the plant. It does not occur at night because the stomata remain closed during the night.

Detailed explanation-4: -The correct option is A True. Water and mineral uptake by roots: Water absorption by roots occurs through the process of osmosis. When root hairs come in contact with soil, water moves from the soil into the root hairs due to the difference in water potential.

Detailed explanation-5: -The structure of plant roots, stems, and leaves facilitates the transport of water, nutrients, and photosynthates throughout the plant.