Remedial Summative Unit 7:Photosynthesis

In plants, water is absorbed by the ________.

• stem

• roots

• leaves

• flowers

A product of photosynthesis is ....

• Water

• Oxygen

• Chloroplast

• Carbon dioxide

What happens to the sugar produced during photosynthesis?

• The sugar is transported from the leaves to the roots only.

• The sugar is transported from the roots to all other parts of the plant.

• The sugar is transported from the leaves to all other parts of the plant.

• The sugar is transported from the flowers to all other parts of the plant.

The excess sugar produced during photosynthesis is converted into starch ....

• for easy storage

• for easy transport

• to absorb light energy

• to provide extra support to the plant

Based on table, the following about photosynthesis correctly is shown number ....

• 1

• 2

• 3

• 4

Parts of a plant that transport food and water are ....

• Leaves

• Root hairs

• Xylem and phloem

• Guard cells and stomata

Oxygen leaves the plant through the ....

• stem

• roots

• flowers

• stomata

Ryan planted some green bean seeds in a small pot and watered them daily. He placed the pot on his study table in his room. Three days later, the seeds grew into small plants. A week after the seeds grew into small plants, Ryan forgot to water them. One week later, he found that the plants had died. The reason for the plants to die could be ....

• The plants had no water.

• The soil quality was poor.

• There was not enough air in his room.

• There was not enough carbon dioxide in his room.

Many non-green plants have colourful leaves. These plants are still able to make their own food. Which of the following is a possible explanation?

• They have a storage of carbon dioxide.

• They have enough water in their leaves.

• They do not require sunlight to make food.

• They have chlorophyll under the coloured pigments.

Kate cut a slice of sweet potato and dropped a few drops of iodine on it. The iodine turned blue-black. Kate can conclude that the sweet potato plant stores starch in the ....

• root

• fruit

• leaves

• flowers