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प्रश्न
What is reproduction?
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
List and describe any two vegetative propagules in flowering plants.
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?
What are clones?
Identify the correctly matched pair
The mode of reproduction in bacteria is by ______
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
In all the methods of asexual reproduction ______.
A clone is a group of individuals obtained through ______.
In yeast cell division results in a small cell called ______.
Fleshy buds produced in the axil of leaves, which grow to form new plants when shed and fall on the ground are called ______.
The most significant feature of vegetative propagation is that ______.
Bryophyllum daigremontianum reproduces by ______.
______ is not a method of vegetative propagation.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because ______.
Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are ______.
Which of the following statements is true of yeast?
Which of the following statements is true of Bryophyllum?
A population of genetically identical individuals, obtained from asexual reproduction is ______.
What is common between vegetative reproduction and apomixis?
In ginger vegetative propagation occurs through ______.
Which one of the following is the correct match of the product and the producer?
Why do we refer to offspring formed by asexual method of reproduction as clones?
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 |
Is it possible to consider vegetative propagation observed in certain plants like Bryophyllum, water hyacinth, ginger etc., as a type of asexual reproduction? Give two/three reasons.
