Q. No.Which part of the tobacco plant is infected by Meloidogyne incognita?
1. Root
2. Flower
3. Leaf
4. Stem
1. Root
2. Flower
3. Leaf
4. Stem
A true breeding plant is:
| 1. | Always homozygous recessive in its genetic constitution |
| 2. | One that is able to breed on its own |
| 3. | Produced due to cross-pollination among unrelated plants |
| 4. | Near homozygous and produces offspring of its kind |
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Interspecific hybridization is the mating of
1. more closely related individuals within same breed for 4-6 generations
2. animals within same breed without having common ancestors
3. two different related species
4. superior males and females of different breeds
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Homozygous purelines in cattle can be obtained by:
1. mating of related individuals of same breed.
2. mating of unrelated individuals of same breed.
3. mating of individuals of different breed.
4. mating of individuals of different species.
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The agricultural practice of breeding and raising livestock is called:
| 1. | Domestication | 2. | Breeding |
| 3. | Animal husbandry | 4. | Bio-fortification |
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A group of animals related by descent and similar in most characteristics like general appearance, features, size, configuration, etc., are said to belong to a:
| 1. | Variety | 2. | Species |
| 3. | Strain | 4. | Breed |
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Which of the following is not an advantage of artificial insemination in cattle?
| 1. | Increased efficiency of bull usage |
| 2. | Increased genetic variability in the population |
| 3. | Increased potential for genetic selection |
| 4. | Reduced disease transmission |
The purposeful manipulation of plant species in order to create desired plant types that are better suited for cultivation, give better yields, and are disease resistant is called:
| 1. | Breeding | 2. | Genetic farming |
| 3. | Phytoremediation | 4. | r DNA technology |
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A pure line plant:
| 1. | is defined as having only recessive alleles for the traits at all loci |
| 2. | breeds true and preserves the trait for many generations |
| 3. | is not susceptible to any diseases and is used as a parent in plant breeding experiments |
| 4. | can be produced by inbreeding amongst the endemic varieties only |
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The sobriquet ‘Father of Green Revolution’ is used for:
| 1. | Norman Borlaug | 2. | M. S. Swaminathan |
| 3. | Gordon Conway | 4. | Elvin Stakman |
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