Cambridge Checkpoint Science 9: Plants

Front

What is the function of the vacuole in plant cells?

Back

The vacuole stores water and helps maintain turgor pressure in plant cells.

Front

What does 'NPK' stand for in fertilizers?

Back

NPK stands for nitrogen, phosphorus, and potassium, which are essential nutrients for plant growth.

Front

What is cross-pollination?

Back

Cross-pollination is when flowers of two different plants of the same species are pollinated.

Front

What is a zygote?

Back

A zygote is a new cell formed when a male gamete fuses with a female gamete.

Front

Where are pollen grains produced in a flower?

Back

Pollen grains are produced in the anther.

Front

What role do chloroplasts play in plant cells?

Back

Chloroplasts are responsible for photosynthesis, converting sunlight into energy.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to produce glucose and oxygen.

Front

What is the significance of stomata in plants?

Back

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

Front

What is the difference between self-pollination and cross-pollination?

Back

Self-pollination occurs when a flower is pollinated by its own pollen, while cross-pollination involves pollen from a different plant.

Front

What is the role of the ovary in a flower?

Back

The ovary contains ovules and develops into fruit after fertilization.