Question

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Q26. Write short note on vegetative propagation by leaves.
Q27. What are the characteristic features of seeds dispersed by
Q28. Differentiate between stamen and pistil.
Q29. What are the advantages of having very thin and highly bra
XQ30. What is the difference between the blood flowing in the arte
D. LONG ANSWER TYPE QUESTIONS
XQ1. Describe the function of heart.
Q2. Explain the process of transportation in plants.
n3 Describe the circulation of blood through heart and body.

Answer 1

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(a) Production of new individuals from the vegetative part of parent is called vegetative propagation.

(b) A flower may have either male or female reproductive parts. Such a flower is called unisexual flower.

(c) The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as pollination.

(d) The fusion of male and female gametes is termed as fertilisation.

(e) Seed dispersal takes place by means of wind, water and animal.