Describe the importance of vegetative propagation. from Biology R

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsShort Answer Type

71. Explain the significance of fertilization.
147 Views

 Multiple Choice QuestionsLong Answer Type

72. What do you understand by vegetative methods of reproduction ? Explain with examples
997 Views

Advertisement

73. Describe the importance of vegetative propagation.


Importance of vegetative propagation

(1) Plants produced by vegetative propagation are genetically similar and constitute a uniform population called as clone.

(2) Plants that have reduced power of sexual reproduction, long dormant period of seed, poor viability can be  multiplied by vegetative methods.

(3) Some fruit trees like banana, pineapple  that do not produce viable seeds and dub grass which produces small quantity of seeds can  be  propagated by vegetative methods.

(4) It is a rapid and easier method of propagation.

(5) Good characters can be  preserved by vegetative propagation.

(6) Vegetative Propagation can be used to develop Virus Free plants.

(7) Grafting helps in getting an economically important plant having useful characteristic of  two different individuals in short time in a single plant.

1623 Views

Advertisement

 Multiple Choice QuestionsShort Answer Type

74.

Which is a better mode of reproduction: sexual or asexual? Why?

420 Views

Advertisement
75.

Explain why meiosis and gametogenesis are always interlinked?

347 Views

76.

Describe the post-fertilisation changes in a flower.

199 Views

77.

Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?

203 Views

78.

Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?

217 Views

Advertisement
79.

Give an example of an organism that enters 'diapause' and why.

995 Views

80.

Why do algae and fungi shift to sexual mode of reproduction just before the onset of adverse conditions?

1133 Views

Advertisement