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प्रश्न
What is reproduction?
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उत्तर
Reproduction is the biological process of producing young ones of their own kind. It is a vital process for the existence of a species and it also brings suitable changes through variation in the offsprings for their survival on earth.
संबंधित प्रश्न
Answer the following question.
A pollen grain in angiosperm at the time of dehiscence from an anther could be 2-celled or 3-celled.Explain.How are the cells placed within the pollen grain when shed at a 2-celled stage?
Why are the offsprings of oviparous animal at a greater risk as compared to offsprings of viviparous organisms?
In the following question, there are two statements. One is the assertion (A) and the other is reasoning (R). Mark the correct answer as
- Assertion: Offsprings produced by asexual reproduction are genetically identical to the parent.
- Reason: Asexual reproduction involves only mitosis and no meiosis.
A B C D
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because ______.
What is common between vegetative reproduction and apomixis?
The structure of bilobed anther consists of ______
Which one of the following is the correct match of the product and the producer?
During free cell formation:
Although potato tuber is an underground plant part, it is considered as a stem. Give two reasons.
Match the organisms given in Column-’A’ with the vegetative propagules given in column ‘B’.
| Col. A | Col. B | ||
| i. | Bryophyllum | a) | offset |
| ii. | Agave | b) | eyes |
| iii. | Potato | c) | leaf buds |
| iv. | Water hyacinth | d) | bulbils |
