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प्रश्न
Explain with the help of a labelled diagram, the process of reproduction in Hydra by budding. Name the cells used for reproduction in this process.
उत्तर
Organisms such as Hydra use regenerative cells for reproduction in the process of budding. In Hydra, a bud develops as an outgrowth due to repeated cell division at one specific site. These buds develop into tiny individuals and when fully mature, detach from the parent body and become new independent individuals.
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संबंधित प्रश्न
How are the modes for reproduction different in unicellular and multicellular organisms?
Name the artificial propagation mehod used for the propagation of apple trees.
How can you grow money plant by vegetative propagation?
What is tissue culture?
A worm X found in freshwater and slow-moving streams has been accidently cut into three pieces. It was observed that in due course of time, each cut piece of the worm develops to become a complete worm by growing all the missing parts.
(a) Name the worm X which can exhibit this phenomenon of making complete worm from its cut body parts.
(b) Name another organism Y which possesses the same characteristic of growing fully from its cut body parts.
(c) What is the name of this process in which a complete organism is formed from its cut body part.
(d) State whether X and Y are unicellular and/or multicellular organisms.
(e) Can a dog be produced completely form its cut body part (say, a cut tail) just like organisms X and Y? Why?
Put a tick mark (✓) against the correct alternative in the following statement
Grafting is a method of:
Multiple choice question. Tick (✓) the correct choice:
Budding is commonly seen in
- yeast
- grasses
- Amoeba
- Spirogyra
Write four lines on the following: Grafting
Name any one plant in which double fertilization was discovered?
Spirogyra reproduce by ______
