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YEAR 9 BIOLOGY TOPICAL TEST ON PHOTOSYNTHESIS

1. What is photosynthesis [2]

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2. Name THREE things that must be there for photosynthesis to take place. [3]

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3. Write down an equation for photosynthesis.[3]

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C. glucose made in photosynthesis is converted to another substance. What is the name of the substance [1]

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   4. During a biology lesson, a student was asked to test a leaf for starch. He did the following. The procedure is not in order

1. Boiled the leaf in ethanol for 2 minutes

2. Added the leaf in the boiling water for 1 minute

3. Took a healthy leaf from a tree

4. Boiled some water in a beaker

5. added iodine to the leaf

6. Placed the leaf on a white tile

7. Passed cold water on to the leaf.

1. What is the right order of events was the learner supposed to follow. Complete below [7]

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2. What was the purpose of doing the following? [4]

1. Boiling the leaf in cold water for 1 minute

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2. Boil the leaf in ethanol

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3. Pass cold water on to the leaf.

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4. What was the colour change observed when Iodine was added to the leaf.

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3. What are fertilisers. [1]

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4. State the role of the following to plants [2]

1. Magnesium

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2. Nitrates.

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5. What are the effects to a plant lacking the following [2]

1. Nitrates

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2. Magnesium

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6. What is a flower?

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Name two parts that make the following in a flower [4]

1. Stamen

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2. Pistil

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7. State the role of the following parts of a flower [6]

1. Stigma

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2. Ovary

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3. Ovules

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4. Anthers

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5. Pollen grain

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6. Petals

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8. State 3 uses of water in plants. [3]

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9. A student was observing two flowers, Flower A had coloured petals while Flower B did not have coloured petals.

1. state the agent of pollination of the flowers [2]

1. Flower A……………………………………………

2. Flower B……………………………………………

2. apart from coloured petals state any other 3 differences between the two flowers. [6]

Flower A Flower B
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10. What is pollination. [1]

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11. flowers produce a sweet smelling tasting substance to attract bees and butterflies. What is its name? [1]

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12. Draw a flower and label any two parts. [4]