P6 Science Revision MCQ Part 1 (Life Sci)

Which one of the following is a similarity between digestion and decomposition?

• Both can occur in plants.

• Both require bacteria and fungi to take place.

• Both break things down into simpler substances.

• Both involve organisms that feed on dead organisms.

The fruit in the diagram is dispersed by water.

Which of the following help in this method of dispersal?

A - R does not allow water to go through.

B - S has air spaces.

C - T is sweet and juicy.

• A and B only

• A and C only

• B and C only

• A, B and C

Study the three plant cells in the picture.

Which of the following part(s), cell wall, chloroplast and cytoplasm, is/are found in all three cells?

• chloroplast only

• cell wall and cytoplasm only

• cytoplasm and chloroplast only

• cell wall, cytoplasm and chloroplast

Peishi plucked a leaf from a plant and placed it in a beaker of hot water.

Peishi observed that bubbles formed only on the upper surface of the leaf. Which one of the following conclusions is correct?

• Air escapes through openings found on both surfaces of the leaf.

• Bubbles form in the water and land on the upper surface of the leaf.

• The leaf has openings on the upper surface but not on the lower surface.

• Air enters the lower surface of the leaf and escapes through the upper surface.

The diagram shows the direction of blood flow in some parts of the body.

The same amount of blood was taken from A, B, C and D. Which chart shows the correct comparison of the amount of oxygen in the blood samples?

• 
• 
• 
• 

Study the food web shown in the picture.

The graph shows the number of animal B over a period of time.

Which one of the following explains the change in the number of animal B shown by YZ in the graph?

• addition of plant P to the pond

• addition of animal D to the pond

• addition of animal A to the pond

• removal of animal C from the pond

The diagram shows two flowers.

Pollination takes place when pollen grains are transferred from ____________.

• D to C and D to F

• E to C and E to F

• E to F and D to G

• F to D and H to G

Study the food web below.

Which statement is correct?

• K and Q are producers.

• P and S are consumers.

• J and R are plant eaters.

• Q and R are decomposers.

The diagram shows a grassland habitat.

Which of the following statements is not true?

• The group of grass forms one population.

• The groups of grass and zebra form two populations.

• The groups of deer and zebra form two communities.

• The groups of grass, deer and zebra form one community.

The diagrams show the movement of gases during the day and night.

Which letters represent oxygen?

• E and G

• E and H

• F and G

• F and H