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D Divya Prakash Singh
The main differences between asexual and sexual reproduction are: S.No. Asexual reproduction Sexual reproduction 1. Only one parent is involved. Two parents are required i.e., male and female 2. The offspring formed is similar to the parent. The offspring formed shows some variation with respect to the parent. 3. For example, hydra, yeast, etc. show asexual reproduction. For example,...

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D Divya Prakash Singh
(a) The reproductive part of a plant is the (iv) Flower.  

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D Divya Prakash Singh
Seeds and fruits of plants are carried away by the wind, water, and animals. By wind: Winged seeds such as those of drumstick and maple, light seeds of grasses or hairy seeds of aak (Madar) and hairy fruit of the sunflower, get blown off with the wind to far away places. By water: Some seeds are dispersed by water. These fruits or seeds usually develop floating ability in the form of the spongy...

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D Divya Prakash Singh
Once the pollen grains spread on the stigma, it produces a pollen tube and this process is called the germination of pollen grains. Then the pollen tube penetrates the style and reaches the ovary where the male nucleus is transferred through this pollen tube and finally, the fusion of male and female nuclei takes place inside the ovary. Thus, this step is called fertilization.  

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D Divya Prakash Singh
The differences between the self-pollination and the cross-pollination are: S.No. Self-pollination Cross-pollination 1. Within the same flower, the pollen grains are transferred to the stigma. The pollen grains are transferred to the stigma of a different flower. 2. Pollinating agents are not required in this type of pollination. Pollinating agents such as the winds, water, insects, etc....

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D Divya Prakash Singh
The sketch of the reproductive parts fo flower is shown below:

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D Divya Prakash Singh
When two parents are involved in reproduction, the method is called sexual reproduction. During fertilization, the male and female gametes fuse to produce a zygote. Then zygote subsequently develops into an embryo which further develops into a new individual.  

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D Divya Prakash Singh
Different methods of asexual reproduction are: (i) Fission: is division, the parent cell divides into two or more cells. Fission can be of two types, namely, binary fission and multiple fission. In binary fission, the parent cell divides into two equal halves called daughter cells. During the multiple fission, the organism divides itself into numerous daughter cells. (ii) Fragmentation: The...

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D Divya Prakash Singh
(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...
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