Question

B. Very Short Answer Questions:
1. What is male reproductive part of a flower called
2. Name two plants that have reticulate venation
3. What is the function of stem in a potato plant
4. What is the difference between node and internode
5. What happens when pollen grains falls on the stigma-fertilisation or pollination​

Answer 1

1. StamensStamens: Male Reproductive Organs
3. A stamen consists of an anther (which produces pollen, the male reproductive cell) and a filament.
4. Wheat, tulsi, maize, grass, coriander (dhania), china rose. Solution: Leaves of tulsi, coriander and china rose have reticulate venation.
5. Stems are usually above ground, although the stems of some plants, such as the potato, also grow underground. Stems may be herbaceous (soft) or woody in nature. Their main function is to provide support to the plant, holding leaves, flowers and buds; in some cases, stems also store food for the plant.
6. The node and internode are two structural components of the stem of a vascular plant. The nodes are the specific areas on the stem where the lateral bud is present from which the leaves, branches or flower buds grow out. In comparison, an internode is the distance between two consecutive nodes.
7. When pollen gran falls on stigma, it germinates on stigma and produce pollen tube which enters into the ovule release 2 male gametes and fuse with the ovule to form a seed.

Answer 2

Answer:

1. Stamens

2. Wheat, tulsi, have reticulate venation

3. Stems are usually above ground, although the stems of some plants, such as the potato, also grow underground. Stems may be herbaceous (soft) or woody in nature. Their main function is to provide support to the plant, holding leaves, flowers and buds; in some cases, stems also store food for the plant.

4. The node and internode are two structural components of the stem of a vascular plant. The nodes are the specific areas on the stem where the lateral bud is present from which the leaves, branches or flower buds grow out. In comparison, an internode is the distance between two consecutive nodes.

5.When pollen gran falls on stigma, it germinates on stigma and produce pollen tube which enters into the ovule release 2 male gametes and fuse with the ovule to form a seed.

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