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प्रश्न
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
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उत्तर
Seed is the reproductive unit of a plant. The various parts of a seed are plumule, radicle and cotyledon.
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संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below:
Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon.
On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list:
(a) Testa, Radicle, Cotyleddon
(b) Tegmen, Radicle, Micropyle
(c) Cotyledon, Plumule, Testa
(d) Radicle, Cotyledon, Plumule
What is the function of a flower?
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
In what ways is fertilisation in a plant similar to fertilisation in a human?
Mention the function of Flower.
Mention the function of Stigma.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
Explain sexual reproduction in plants.
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
Generally, in a pollen tube, which of the following moves to the tip of the tube?
How many middle layers are generally present in the wall of the anther lobes?
Conidia are formed endogenously while zoospores are formed endogenously.
Double fertilization is exhibited by ______
What is the structural unit of sexual reproduction in plant?
What is puberty?
