Reproduction in Plants
Q.1. What is reproduction?
Q.2. ___________are involved in reproduction in plants.
Q.3. ___________ produce fruits and seeds.
Q.4. What are the four whorls of a complete flower?
Q.5. What provides protection to the inner parts of a flower?
Q.6. _________ attracts insects for pollination.
Q.7. __________ is the male reproductive part of a flower.
Q.8. __________ is composed of stamens.
Q.9. Name the parts of a stamen?
Q.10. __________ contain pollen grains.
Q.11. __________is the female reproductive part of a flower.
Q.12. Name the three parts of a gynoecium.
Q.13. __________ receives the pollen grains.
Q.14. The ovary contains ________.
Q.15. What is the condition for the formation of seeds in the plants?
Q.16. What is pollination?
Q.17. What are the two types of pollination?
Q.18. What is self pollination?
Q.19. What is cross pollination?
Q.20. Give the two main agents of cross pollination.
Q.21. What is fertilization?
Q.22. Describe the structure of a seed.
Q.23. The shoot of the plant grows from the __________.
Q.24. The root of the plant grows from the __________.
Q.25. Name the parts of an embryo.
Q.26. What is germination?
Q.27. The ________ uses food stored in the ____________ for its growth.
Q.28. Which part of the seed occupies most of its space?
Q.29. Name some seeds which have two cotyledons each.
Q.30. Name some seeds which have one cotyledon.
Q.31. What is viability?
Q.32. What are the essential conditions for germination?
Q.33. What is the main purpose of water during germination?
Q.34. The favourable temperature for germination of most seeds is between_____ and _______.
Q.35. Which plants require more temperature, tropical plants or temperate plants.
Q.36. Name three plants which require sunlight for their germination.
Q.37. Name three plants which do not germinate when exposed to light.
Q.38. Show by an experiment that water, temperature and oxygen are necessary for germination.
Q.39. What is natural vegetative reproduction?
Q.40. Name some plants which produce by natural vegetative reproduction?
Q.41. Name some methods of vegetative reproduction.
Q.42. Describe stem cutting?
Q.43. What is grafting?
Q.44. What is layering?
Q.45. How is layering different from cutting?
Q.46. What are spores?
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