Grade 6 Science And Technology – Plants Quiz

1. 1. Which of the following is not a type of tree

Herb
Grass
Mango tree
Shrub
Explanation:

2. Which one of the following is a characteristic of a tree

Short with narrow leaves
Have long slender leaves
Have a single strong stem
Have many thin wooden stems
Explanation:

3. The following are parts of a plant except;

Branch
Leaves
Stem
Head
Explanation:

4. One of the following is not a function of the roots

Transport nutrients
Anchorage
Absorption
Food storage
Explanation:

5. What is chlorophyll?

Absorption of water
Flowering in plants
The green colouring matter found in plants
The roots of a plant
Explanation:

6. Which of the following is not a requirement for photosynthesis?

Carbon dioxide
Sunlight
Oxygen
Chlorophyll
Explanation:

7. Which of the following is not a type of root?

Fibrous roots
Square root
Lateral roots
Stilt roots
Explanation:

8. Which part of a plant is responsible for producing seeds?

Roots
Flower
Leaves
Stem
Explanation:

The flower of a plant produces seeds through the process of pollination and fertilization, essential for the plant's reproduction.

9. What is the purpose of stomata in plant leaves?

Absorbing sunlight
Producing oxygen
Gas exchange
Transporting water
Explanation:

Stomata are small pores on the surface of leaves that allow for gas exchange, where carbon dioxide is taken in and oxygen is released during photosynthesis.

10. Which part of a plant is responsible for supporting the plant and keeping it upright?

Leaves
Flower
Roots
Stem
Explanation:

The stem of a plant provides structural support, allows for the transport of water and nutrients, and keeps the plant upright.

11. What is the function of chlorophyll in plant leaves?

Producing seeds
Storing water
Transporting nutrients
Absorbing sunlight
Explanation:

Chlorophyll is a green pigment in plant leaves that absorbs sunlight, essential for the process of photosynthesis to occur.

12. Which part of a plant is responsible for anchoring the plant in the soil?

Roots
Leaves
Flower
Stem
Explanation:

Roots anchor the plant in the soil, provide stability, and absorb water and nutrients for the plant's growth.

13. Which part of the plant takes in water and nutrients from the soil?

Roots
Leaves
Flowers
Stem
Explanation:

Roots absorb water and nutrients from the soil to help the plant grow.

14. What is the process by which plants make their food called?

Germination
Breathing
Photosynthesis
Transpiration
Explanation:

Photosynthesis is the process by which plants make their food using sunlight, water, and carbon dioxide.

15. What is the primary role of leaves in a plant?

Support plant structure
Make food through photosynthesis
Store food
Absorb water
Explanation:

Leaves are the main site for photosynthesis in plants, where they make food using sunlight.

16. Which part of the plant is responsible for producing seeds?

Stem
Roots
Leaves
Flowers
Explanation:

Flowers are the reproductive organs of a plant responsible for producing seeds for the next generation.

17. What is the function of the stem in a plant?

Make food
Produce seeds
Support plant structure
Absorb water
Explanation:

The stem provides support for the plant, allowing it to stand upright and transport nutrients between the roots and leaves.

18. Which part of the plant is responsible for anchoring it in the ground?

Flowers
Leaves
Roots
Stem
Explanation:

Roots anchor the plant in the ground and absorb water and nutrients for growth.

19. Which part of the plant is responsible for making seeds?

Leaves
Roots
Flowers
Stem
Explanation:

Flowers contain the reproductive parts of the plant responsible for making seeds.

20. What is the purpose of flowers in a plant?

Reproduction and seed formation
Anchoring the plant
Producing oxygen
Making food
Explanation:

Flowers are the reproductive structures of a plant, producing seeds for the next generation.

21. Which part of the plant helps in the process of transpiration?

Leaves
Roots
Stem
Flowers
Explanation:

Leaves play a critical role in transpiration, the process by which plants release water vapor.

22. What is the function of the roots in a plant?

Support plant structure
Absorb water and nutrients
Reproduce
Produce food
Explanation:

Roots absorb water and nutrients from the soil to support the plant's growth and development.

23. Which part of the plant is responsible for protecting the developing seeds?

Stem
Leaves
Fruit
Flowers
Explanation:

Fruits develop from flowers and protect the seeds until they are ready for dispersal.

24. What is the primary function of the leaves in a plant?

Produce seeds
Make food through photosynthesis
Absorb water and nutrients
Support plant structure
Explanation:

Leaves are the main organs for photosynthesis, where plants make their own food using sunlight, water, and carbon dioxide.

25. What part of the plant is responsible for producing oxygen?

Flowers
Roots
Stem
Leaves
Explanation:

Leaves produce oxygen as a byproduct of photosynthesis, which is essential for life on Earth.

26. Which part of the plant is responsible for storing excess food?

Flowers
Roots
Leaves
Stem
Explanation:

Roots store excess food produced by the plant through photosynthesis, for later use.

27. What part of the plant helps in the process of respiration?

Roots
Leaves
Stem
Flowers
Explanation:

Leaves play a role in respiration, where plants exchange gases with the environment to release energy.

28. Which part of the plant is responsible for absorbing sunlight for photosynthesis?

Leaves
Roots
Flowers
Stem
Explanation:

Leaves contain chlorophyll, a pigment that absorbs sunlight for the process of photosynthesis.

29. What is the role of the flowers in a plant?

Making food
Support plant structure
Produce seeds
Anchoring the plant
Explanation:

Flowers are the reproductive structures of the plant responsible for producing seeds for the next generation.

30. What part of the plant is responsible for absorbing carbon dioxide from the air?

Flowers
Roots
Leaves
Stem
Explanation:

Leaves absorb carbon dioxide from the air for the process of photosynthesis, to make food for the plant.

31. What part of the plant is responsible for supporting the plant's growth?

Leaves
Stem
Flowers
Roots
Explanation:

The stem provides structural support for the plant, allowing it to grow vertically towards sunlight.

32. What is the primary function of the roots in a plant?

Make food
Produce seeds
Absorb water and nutrients
Support plant structure
Explanation:

The roots absorb water and nutrients from the soil to support the plant's growth and development.

33. Which part of the plant is responsible for dispersing seeds?

Leaves
Fruit
Stem
Roots
Explanation:

Fruits develop from flowers and help in the dispersal of seeds, ensuring the plant's survival.

34. What part of the plant is responsible for releasing excess water?

Stem
Leaves
Flowers
Roots
Explanation:

Leaves release excess water through transpiration, helping to cool the plant and maintain water balance.

35. What is the main function of the stems in a plant?

Produce seeds
Absorb water and nutrients
Support plant structure
Make food
Explanation:

The stem provides support for the plant, allowing it to stand upright and transport nutrients between the roots and leaves.

36. What is the role of the roots in a plant?

Produce seeds
Make food
Support plant structure
Absorb water and nutrients
Explanation:

The roots absorb water and nutrients from the soil to support the plant's growth and development.

37. Which part of the plant is responsible for making food?

Leaves
Stem
Roots
Flowers
Explanation:

Leaves are the main site for photosynthesis, where plants make their own food using sunlight, water, and carbon dioxide.

38. What part of the plant is responsible for producing new plants?

Leaves
Stem
Roots
Flowers
Explanation:

Flowers contain the reproductive parts of the plant responsible for producing seeds, which can grow into new plants.