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Biology 12 Ch-27 BIOLOGY AND HUMAN WELFARE- 30
1.
What is first generation crosses called?
Hybridized
Heterosis
Hybrid vigour
Hybrids
2.
What are hybrids?
First generation crosses b/w genetically same parents
Second generation crosses b/w genetically same parents
Second generation crosses b/w genetically different parents
First generation crosses b/w genetically different parents
3.
What are the individuals called that are heterozygous?
Hybrid
Heterosis
Hybrid vigour
Hybridized
4.
What is hybrid?
Individuals that are not heterozygous
Individuals that are tetrazygous
Individuals that are heterozygous
Individuals that are homozygous
5.
What is the term that is used for a single gene?
Heterosis
Hybrid vigour
Hybridized
Hybrid
6.
What is the fame of hybrids?
Vigour
Size
Growth
All of these
7.
What is the fame of hybrids?
All of these
Size
Growth
Yield
8.
Due to which of the following, varieties of cereals have been developed?
Hybridization
Selection
Husbandry
Backcross
9.
Due to which of the following, varieties of oil seeds have been developed?
Hybridization
Husbandry
Backcross
Selection
10.
Due to which of the following, varieties of pulses have been developed?
Backcross
Selection
Hybridization
Husbandry
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