Lockhart IB PLANT BIOLOGY HL

Front

What is germination?

Back

Germination is when a seed starts to grow.

Front

How do water molecules move in terms of concentration?

Back

Water molecules move from a dilute solution to a more concentrated solution.

Front

What environmental factor decreases the rate of transpiration?

Back

An increase in humidity decreases the rate of transpiration.

Front

What is pollination?

Back

Pollination is the transfer of pollen grain from anther to stigma.

Front

How does water travel from the ground to the top of a giant redwood?

Back

Water is absorbed in the roots and carried up the tree through the shoot system.

Front

Define transpiration.

Back

Transpiration is the process of water movement through a plant and its evaporation from aerial parts.

Front

What role do stomata play in plants?

Back

Stomata are small openings on the surface of leaves that allow for gas exchange.

Front

What is the function of xylem in plants?

Back

Xylem is responsible for transporting water and nutrients from the roots to the rest of the plant.

Front

What is the role of phloem in plants?

Back

Phloem transports sugars and other metabolic products downward from the leaves.

Front

Explain the process of photosynthesis.

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.