Plant Parts

The diagram shows a plant with one part labelled A. What is the function of part A?

• Makes food for the plant

• Holds the plant firmly to the ground

• Supports the plant by holding it upright

• Helps the plant take in and give out gases

The arrows in the diagram shows how water moves in a plant. Which part represents the roots?

• S

• T

• U

• V

The diagram shows a plant with a weak stem. Which of the following gives the correct reason why the plant needs to climb up a support?

• This helps the plant take in more water.

• This helps the plant take in more sunlight.

• The plant will be able to store food in the stem.

• The leaves will be able to take in and give out more gases.

Mary tried to grow seeds in four different set-ups, W, X, Y and Z. The table in the diagram shows what conditions each set-up has. A tick (√) means that the seeds in the set-up had that condition.

In which set-up will the seeds germinate?

• Y only

• W and Y only

• X and Y only

• Y and Z only

Wendy set up an experiment as shown below. The layer of oil stops water in the beaker from escaping into the surrounding air (evaporating). After 1 week, what happens to the level of water in the beaker?

• Increase

• Decrease

• Remain the same

Alan had 2 identical plants. He cut off the roots of plant B but not plant A. He planted both plants into similar pots of soil. He then placed a powerful fan at equal distance from both plants and switched the fan on. Which plant will be blown out of the soil first and why?

• Plant A because it has roots.

• Plant B because it has no roots to anchor it firmly in the soil.

• Plant A because it has roots, stem and leaves.

• Plant B because it has stem and leaves to reach for sunlight.

The diagram shows a seedling with Part X labelled. What is Part X?

• Seed leaf

• Leaves

• Roots

• Stem

The diagram shows a string bean plant. Which part of the plant is not found on non-flowering plants?

• M

• N

• O

• P

Which of the following statement(s) is/are true of ALL flowering plants?

A They produce fruits.

B They can only be found on land.

C Their flowers are similar in size, shape and colour.

D They produce flowers when the conditions are right.

• B only

• B and D only

• A and D only

• All of the statements are correct.

James planted two identical plants in two identical cups, K and L, and placed them at different places, one at the garden and one in a dark cupboard. He watered both cups with equal amount of water everyday. The table in the diagram shows the growth of both plants over two weeks.

What was the aim of his experiment?

• To find out if plants need water to grow.

• To find out if light affects the growth of plants.

• To find out if the type of cup affects the plants’ survival.

• To find out if the height of plants will affect the plants’ survival.