Question 1

Look at the table below.

Which item in the table is grouped wrongly?

Accepted Answer

A. fire. Fire is not a living thing — it does not need air, food and water, cannot grow, reproduce, respond to stimuli, or die in the biological sense. The other items are correctly grouped: cup and car are non-living; butterfly is living.

Question 2

Which of the following is a characteristic of mammals?

Accepted Answer

C. Have hair on their bodies. Mammals have hair/fur on their bodies and give birth to live young. They do not lay eggs (option A), not all have four legs (option B — e.g. humans, dolphins), and they do not have hard outer coverings (option D — that describes insects/crustaceans).

Question 3

James spotted a bird's nest fern as shown below.

Which of the following statements about the bird's nest fern is incorrect?

Accepted Answer

C. It cannot make food.. A bird's nest fern is a plant; like all green plants it makes its own food through photosynthesis, so statement C is incorrect. It can grow (A), it has leaves (B) and ferns reproduce by spores (D).

Question 4

Study the diagrams below.

Which of the following are the most suitable headings for groups X and Y?

Accepted Answer

A. Group X: Land plants; Group Y: Water plants. Group X shows plants growing on land (a flowering plant and a fern). Group Y shows plants growing in water (a water hyacinth and water lilies, both with the water surface drawn). Hence X = Land plants, Y = Water plants.

Question 5

Rina observed that the leaves of a tree open up in the day but close up at night as shown below.

Which characteristic of living things is shown by the leaves above?

Accepted Answer

D. Living things respond to changes.. The leaves changing position in response to day (sun) and night (moon) — a change in the surroundings — demonstrates that living things respond to changes in their environment.

Question 6

Study the flowchart below.

What could M and N most likely be?

Accepted Answer

A. M: book; N: frog. The first decision filters out non-living things (No → M), so M must be non-living: 'book' fits. The second decision selects living things with moist skin (Yes → N); a frog (amphibian) has moist skin, while a fish has wet scales — so N = frog. Hence M = book, N = frog.

Question 7

The table below shows the characteristics of animals A, B, C and D.

| | Has dry skin | Has hair |
| Lives in water | A | B |
| Does not live in water | C | D |

The diagram below shows a dolphin.

Which letter in the table above represents the dolphin?

Accepted Answer

B. B. A dolphin is a mammal that lives in water and has hair (it has some hair on its body, a mammalian trait). 'Lives in water' + 'Has hair' corresponds to cell B in the table.

Question 8

The table below shows the characteristics of four animals, W, X, Y and Z.

| Characteristics | W | X | Y | Z |
| Has hair | | ✓ | ✓ | |
| Has wings | ✓ | ✓ | | |
| Has a hard outer covering | | | | ✓ |

Which animal is most likely an insect?

Accepted Answer

D. Z. Among the listed characteristics, 'has a hard outer covering' (the exoskeleton) is the insect-defining trait. Only Z has a hard outer covering, so Z is most likely the insect.

Question 9

Nadia found four different plants, A, B, C and D. She recorded her observations of their characteristics in the table below.

| Characteristics | A | B | C | D |
| Bears fruits | No | No | Yes | Yes |
| Grows on land | Yes | No | Yes | No |

Using the information in the table above, Nadia wants to classify the four plants into the classification chart below.

Which plant, A, B, C or D, can be classified under P?

Accepted Answer

B. B. P sits under 'Non-flowering → Water plant'. Non-flowering plants do not bear fruits (Bears fruits: No) and a water plant does not grow on land (Grows on land: No). Plant B has 'No' for both characteristics, so it fits P.

P3 Science CA1 2025 — Red Swastika

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