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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
Explain how non-reproductive structures protect themselves and what is the function of the structures released from the 'blobs' in Rhizopus.
Study the following diagrams showing various stages of binary fission in Amoeba:
The correct sequence of these diagrams should be:
(A) I, IV, III, II, V
(B) I, III, IV, II, V
(C) I, II, IV, III, V
(D) I, II, III, IV, V
What is the difference between the two asexual methods of reproduction : fission and fragmentation?
What care should be taken while making a cutting from a plant?
A feature of reproduction that is common to Amoeba, Yeast and Bacterium is that :
(a) they are all multicellular
(b) they are all unicellular
(c) they reproduce only sexually
(d) they reproduce asexually
The two organisms which can regenerate fully from their cut body parts are :
(a) Paramecium and Hydra
(b) Hydra and Amoeba
(c) Planaria and Leishmania
(d) Hydra and Planaria
Explain asexual reproduction in plants.
A method in which roots are induced on the stem while it is still attached to the parent plant is called
Which of the following methods of asexual reproduction are observed in lower organisms?
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called ______
