Grade 6 Science And Technology – Plants Quiz

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

Grass
Mango tree
Shrub
Herb
Explanation:

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

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

3. The following are parts of a plant except;

Stem
Head
Branch
Leaves
Explanation:

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

Food storage
Anchorage
Transport nutrients
Absorption
Explanation:

5. What is chlorophyll?

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

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

Chlorophyll
Carbon dioxide
Sunlight
Oxygen
Explanation:

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

Fibrous roots
Stilt roots
Square root
Lateral roots
Explanation:

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

Stem
Leaves
Roots
Flower
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?

Transporting water
Absorbing sunlight
Gas exchange
Producing oxygen
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?

Flower
Stem
Leaves
Roots
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
Absorbing sunlight
Storing water
Transporting nutrients
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?

Leaves
Stem
Flower
Roots
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?

Leaves
Roots
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?

Absorb water
Store food
Support plant structure
Make food through photosynthesis
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?

Flowers
Leaves
Stem
Roots
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?

Support plant structure
Absorb water
Produce seeds
Make food
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
Stem
Leaves
Roots
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?

Flowers
Leaves
Stem
Roots
Explanation:

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

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

Making food
Reproduction and seed formation
Anchoring the plant
Producing oxygen
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?

Flowers
Roots
Leaves
Stem
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
Produce food
Reproduce
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?

Leaves
Flowers
Fruit
Stem
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?

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

Stem
Flowers
Roots
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?

Roots
Flowers
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?

Stem
Flowers
Leaves
Roots
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?

Flowers
Leaves
Roots
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?

Produce seeds
Anchoring the plant
Support plant structure
Making food
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?

Leaves
Flowers
Roots
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
Flowers
Stem
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?

Produce seeds
Absorb water and nutrients
Support plant structure
Make food
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?

Roots
Leaves
Fruit
Stem
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
Flowers
Roots
Leaves
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?

Make food
Support plant structure
Produce seeds
Absorb water and nutrients
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?

Support plant structure
Produce seeds
Absorb water and nutrients
Make food
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?

Stem
Flowers
Roots
Leaves
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?

Roots
Leaves
Flowers
Stem
Explanation:

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