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प्रश्न
What do you understand by hybridisation?
उत्तर
Hybridisation is the crossing of two plants differing in one or more genetic characters to obtain a new individual or variety.
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संबंधित प्रश्न
…………. is a mode of asexual reproduction.
(a) Cloning
(b) Budding
(c) Pollination
(d) Germination
The disease kala-azar is caused by a micro-organism known as :
(a) Planaria
(b) Leech
(c) Leishmania
(d) Plasmodium
One of the following reproduces by forming spores. This in :
(a) Fern
(b) Planaria
(c) Spirogyra
(d) Potato
Asexual reproduction through budding takes place in :
(i) Amoeba and Yeast
(ii) Yeast and Hydra
(iii) Hydra and Plasmodium
(iv) Corals and Sponges
(a) (i) and (ii)
(b) only (ii)
(c) (i) and (iii)
(d) (ii) and (iv)
Define the following:
Budding
Mention the common method of reproduction in Mosses.
What happens when a mature spirogyra filament attains considerable length?
Name four plants which can be propagated by root-cutting
Yeast reproduces asexually by means of multiple fission.
In the diagram given in Figure 12.2 label the parts marked (a), (b) and (c).
