Plants Are Living Things - Cambridge Science Stage 3 Exam
Section 1: Multiple-Choice Questions (4 marks)
1. Which of the following is NOT a characteristic of a plant?
a) It makes its own food
b) It grows and changes over time
c) It moves from one place to another
d) It needs water to survive
2. What is the function of a plant's roots?
a) To make food
b) To absorb water and minerals
c) To release oxygen
d) To protect the plant from sunlight
3. Which of these is needed by plants to perform photosynthesis?
a) Carbon dioxide, water, and sunlight
b) Oxygen, nitrogen, and sunlight
c) Water, minerals, and soil
d) Food, air, and rain
4. What gas do plants take in to make their food?
a) Oxygen
b) Carbon dioxide
c) Hydrogen
d) Nitrogen
Section 2: Fill in the Blanks (4 marks)
5. The process by which plants make their own food is called __________.
6. Plants take in __________ gas from the air and release __________ gas.
7. The __________ helps to transport water from the roots to other parts of the plant.
8. The green pigment found in plant __________ helps them to absorb sunlight.
Section 3: Labeling (2 marks)
9. Label the missing parts in the diagram below:
Section 4: Short Answer Questions (6 marks)
10. Why do plants have different types of leaves?
11. What happens to a plant if it does not receive water for many days?
12. Explain why plants cannot survive without sunlight.
Section 5: Scientific Enquiry (6 marks)
13. Experiment on Water Transport:
- A white flower is placed in a glass of blue-colored water.
- Observe the flower after a few hours.
- What happens to the flower, and what does this tell us about water transport in plants?
14. Investigating Plant Growth:
- Safia places three identical plants in different locations:
* One in direct sunlight
* One in partial shade
* One in a dark cupboard
- The plant in the dark cupboard grows weak and yellow.
- Why did the plant in the dark cupboard not grow well?
15. Comparing Leaf Structures:
- Below are three different leaves. Match them with their plant type: