Primary Four Science Quiz

Week six lesson five.

Topical questions.

1. How is transpiration important in the environment?
2. State the gas given off during germination.
3. How is chlorophyll useful during photosynthesis?
4. How are flowers important to plants?
5. Why is a maize grain said to be a seed?
6. Draw a bean seed and show the testa.
7. How many cotyledons does a monocotyledonous seed have?
8. How are legumes important in crop rotation?
9. How is the endosperm different from the cotyledon in a maize grain?
10. Write down one example of the following:

1. Cereal crops
2. Monocotyledonous seeds
3. Dicotyledonous seeds
4. Leguminous seeds

1. How are the following parts useful in a flower?

1. Petals
2. Sepals
3. Nectarines

1. Draw a pistil and show all its parts.
2. Why are petals of a flower brightly coloured?
3. How are roots important to plants?
4. State any two uses of leaves to plants.
5. Mention any one function of stems to a plant.
6. Briefly explain the term pollination.
7. Suggest any one agent of pollination.
8. Draw a diagram showing the following types of germination:

1. Epigeal germination
2. Hypogeal germination.