Science Multiple Choice Worksheet

What is one effect of deforestation?

• more types of plants and animals

• increase in carbon dioxide

• increase in oxygen

• lower temperature

Which group of organisms has a three-stage life cycle?

• beetle, chicken and frog

• chicken, frog and grasshopper

• butterfly, frog and grasshopper

• beetle, chicken and cockroach

Structures R and S help the seeds to _________.

• obtain sunlight

• obtain water

• germinate

• disperse

The diagram shows the human digestive system. Which graph correctly shows the amount of undigested food leaving each organ A, B, C, D and E after a heavy meal?

• (1) [Graph: E B A D C]

• (2) [Graph: A B C D E]

• (3) [Graph: D C B A E]

• (4) [Graph: E D C B A]

Which group does animal X belong to?

• A

• B

• C

• D

Which temperature is the most suitable for both bacteria P and Q to grow?

• 20°C

• 25°C

• 30°C

• 38°C

Food produced by the exposed leaves is transported _________.

• upwards only by the water carrying tubes

• downwards only by the food carrying tubes

• upwards and downwards by the food carrying tubes

• upwards and downwards by both the water and food carrying tubes

The diagram shows the female part of a flower. There are three sections, P, Q and R. Which statement(s) is/are correct?

• P is where pollen grains land.

• Q is where fertilisation occurs.

• R is where a seed develops.

Devi wanted to know if substance S could keep ants away. She conducted an experiment using two identical glass containers P and Q. In P, she put in some ants, food and substance S as shown. Which diagram shows correctly what must Devi put into glass container Q for a fair test?

• Diagram: glass container Q with ants and food

• Diagram: glass container Q with ants and cubes

• Diagram: glass container Q with only food

• Diagram: glass container Q with ants and cubes

The graph shows how the amount of light affects the rate of photosynthesis. Sherwin and Michael made the following statements. Sherwin: The rate of photosynthesis increases when the amount of light increases from 0 to 1500 units. Michael: Above 1500 units, increasing the amount of light has no effect on the rate of photosynthesis. Who is/are correct?

• Sherwin only

• Michael only

• Both Sherwin and Michael

• Neither Sherwin nor Michael