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प्रश्न
What is meant by the term 'fission' as used in biology?
उत्तर
Fission is the process of asexual reproduction in which a unicellular organism divides to form two daughter cells.
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संबंधित प्रश्न
What happens when Bryophyllum leaf falls on the wet soil?
What is meant by the term 'artificial propagation of plants'?
What is meant by 'grafting' as a means of propagation in plants?
A thickened underground stem X of a plant which is swollen with stored food has a number of points Y on its surface. When the old stem X is planted in the soil of a field in the next growing season, then each point Y present on its surface grows into a new plant.
(a) What is the general name of the underground stems like X?
(b) Give one example of X.
(c) What are points Y present on X known as?
(d) Is it necessary to plant the whole of stem X in the ground to obtain its new plants? Explain your answer.
(e) What is the name of this method of reproduction of plants?
(f) What is the advantage of growing new plants from the underground stems like X?
What happens when on maturation sporangia burst?
Name the parts of the plants used to grow following flower: Rose
Asexual reproduction occurs by __________ cell division.
- Which type of reproduction is indicated in the following diagram?
- Redraw the given type of reproduction in the correct sequence and explain it.
Identify the reason because of which cambium is essential for grafting in plants.
Characters that are transmitted from parents to offspring during reproduction show
