21. Inability of functional pollen of one species or genera to effect fertilisation of the female of related species or genus is called
22. Which of the following is not essential for plants?
23. Gene mutations occur at the time of
24. The seed vigour test which determines activities of decarboxylation is
25. The advantage of sexual reproduction over asexual reproduction is
26. The breeding method not used in self pollination crop is
27. If a line having the chromosome pair of one species is replaced by pair of chromosome from another species is known as
28. The unusual form of cell divison leads to the cleavage of nucleus without change in its component structure that means formation of chromosomes followed by the division of the cytoplasm can be termed as
29. Which one of the following interspecific crosses will be choosen to artificially resynthesise the Gobhisarson (Brassica napus) oil-yielding crop?
30. Round seed in dominant over Wrinkled seed in pea. If F1 population of pea are self-pollinated the off spring will be
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- Genetics and Plant Breeding - Section 10