Test
Science Full Marks- 45
1. What is the main function of flowers in plants?
a) To make food
b) To breathe
c) To reproduce
d) To absorb water
2. Which part of a plant produces seeds?
a) Root
b) Stem
c) Leaf
d) Flower
3. What is the process called when seeds start growing into new plants?
a) Respiration
b) Photosynthesis
c) Germination
d) Transpiration
4. Which part of a seedling grows into the root?
a) Plumule
b) Radicle
c) Cotyledon
d) Stem
5. What do seeds need to germinate?
a) Water and sunlight
b) Air and water
c) Soil and fertilizers
d) All of the above
6. Which part of a plant protects the seeds?
a) Fruit
b) Flower
c) Leaf
d) Stem
7. What is dispersal of seeds?
a) The spreading of seeds away from the parent plant
b) The growth of seeds into new plants
c) The production of seeds
d) The absorption of water by seeds
8. Which of the following is a method of seed dispersal?
a) Wind
b) Water
c) Animals
d) All of the above
9. What happens to seeds during germination?
a) They produce flowers
b) They produce roots and shoots
c) They absorb water and shrink
d) They remain dormant
10. What are the main parts of a seed?
a) Root and shoot
b) Stem and leaf
c) Embryo, seed coat, and cotyledon
d) Flower and fruit
11. What is the protective outer layer of a seed called?
a) Embryo
b) Cotyledon
c) Seed coat
d) Radicle
12. What is the function of the cotyledon in a seed?
a) To protect the seed
b) To store food for the seedling
c) To produce roots
d) To produce leaves
13. What is the role of the seed coat?
a) To store food
b) To protect the embryo
c) To produce roots
d) To produce shoots
14. Which part of the seed provides nutrition to the developing seedling?
a) Seed coat
b) Embryo
c) Cotyledon
d) Radicle
15. What is essential for seed germination?
a) Sunlight only
b) Water only
c) Air, water, and suitable temperature
d) Soil only
16. What is germination?
17. What is seed dispersal?
18. Why are seeds important for plants?
19. What is the role of seeds in plant reproduction?
20. How do seeds disperse?
21. What happens to seeds during germination?
22. What are the requirements for seed germination?
23. What is the function of the seed coat?
24. What is the role of the cotyledon in a seed?
25. Describe the structure of a seed.
26. Why is water important for seed germination?
27. What happens if seeds do not get enough water?
28. Can seeds germinate without suitable temperature?
29. Can seeds germinate in extreme temperatures?
30. Why are suitable conditions necessary for seed germination?
