2022 P4 Science Revision 1

Study the classification table.

Which one of the following is the most suitable heading for group X?

• birds

• insects

• reptiles

• amphibians

Study the following living thing.

Which characteristic of living thing does it show?

• Living thing can die.

• Living thing can reproduce.

• Living thing can respond to changes.

• Living thing needs air, food and water to survive.

Benny recorded some of information in the table.

Which one of the following has been grouped wrongly?

• seal

• parrot

• beetle

• elephant

Answer explanation

Seal is a mammal.

The diagram show some animals.

Based on the animals shown, which of the following is/are true about all the animals?

(A) They live on land.

(B) They have hair as outer covering.

(C) They respond to changes around them.

• A only

• A and B only

• B and C only

• A , B and C

Aminah recorded her observations on the development of plant K.

When would the seedling be able to start to make food for the plant?

• Day 1

• Day 3

• Day 7

• Day 10

Answer explanation

Leaf makes food for the plant. In order for the seedling to start to make food, the leaves have to appear in order to perform this function.

The table show the characteristics of the life cycles of 4 animals.

Which animal most likely represent a butterfly?

• P

• Q

• R

• S

Answer explanation

A life cycle of the butterfly has 4 stages - egg, larva, pupa and adult. The young stages of a butterfly, which is larva and pupa do not resemble the adult butterfly. During its larva stage, the larva eats alot and moults several times before it changes to pupa stage.

Study the classification table of the organ systems in a human body.

Which organ is placed in a wrong group?

• heart

• skull

• lungs

• muscles

Answer explanation

Lungs are not the organ in the circulatory system. The function of lungs are to carry oxygen into our bodies and carry out carbon dioxide from our bodies.

Which one of the following is not an example of a matter?

• air

• jelly

• music

• water

Answer explanation

Music does not have mass and does not occupy space. Matter is anything that has mass and occupies space.

• 1

• 2

• 3

• 4

Study the three magnets as shown carefully.

Which of the following correctly identifies poles C and F?

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