3.6.1. 3 Plant Reproduction 2014.doc - Reproduction in...

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Biology
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Chapter 28 / Exercise 03
Biology
Martin/Solomon
Expert Verified
Reproduction in Flowering Plants 1. State a function of the sepal. 2. State a function of each of the following parts of a flower: petal; sepal; anther. 3. What is the function of the petal? Give two ways in which it may be adapted for this function 4. From what does a seed develop? 5. In relation to flowering plants explain what is meant by vegetative propagation. 6. Distinguish between endospermic and non-endospermic seeds. 7. Give two examples of natural vegetative propagation that involve different parts of a plant. 8. What is meant by the germination of a seed? 9. Suggest a benefit of artificial propagation. 10. Clones are genetically identical individuals. Are the products of vegetative propagation clones? Explain your answer. 11. State three environmental factors that are necessary for germination. 12. Describe two techniques of artificial vegetative propagation that are used for flowering plants. 13. From what part of the embryo plant within the seed does the root develop? 14. In which part of the flower is pollen produced? 15. Name a part of a flower that may develop into a fruit. 16. What happens to the two polar nuclei in the carpel? 17. In which part of a flower does a seed form? 18. Some flowers have nectaries. How are these flowers pollinated? Explain your answer. 19. Explain what is meant by pollination. 20. Name a part of a flower from which a fruit develops. 21. What is meant by germination? 22. In each of the following cases give one example of a plant that uses the stated method of seed dispersal: 1. Wind; 2. Animal. 23. What is the difference between self-pollination and cross-pollination? 24. List three factors that are essential for germination. 25. Why is it important for plants to disperse their seeds? 26. What is meant by the dormancy of seeds?
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The document you are viewing contains questions related to this textbook.
Biology
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Chapter 28 / Exercise 03
Biology
Martin/Solomon
Expert Verified
27. Name two ways in which cross-pollination happens. 28. Suggest an advantage of dormancy of seeds to a plant. 29. Suggest why cross-pollination is preferable to self-pollination. 30. What is meant by cross-pollination? 31. What is meant by the germination of a seed? 32. Name two methods of cross-pollination. 33. True or false. Light is essential for the germination of seeds. 34. State one reason why water is needed for germination 35. What is vegetative propagation? 36. Artificial propagation is widely used in horticulture. Give two examples of artificial propagation. 37. True or False. Endosperm is a food reserve in some seeds. 38. Suggest one advantage and one disadvantage of artificial propagation. 39. State a role for each of the following: sepal, anther, stigma, ovary. 40. The two male gametes in the pollen tube are derived from the generative nucleus. Do these gametes form as a result of mitosis or meiosis? Explain your answer. 41. Distinguish between pollination and fertilization. 42. State one method that is used to produce seedless fruits. 43. Give one location in a seed in which food is stored. Name a carbohydrate that you would expect to be present in this food store. 44.

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