Bordeaux mixture was discovered by
Options
(a) Watson (b) Harrison (c) Millardet (d) Khorana
Correct Answer:
Millardet
Explanation:
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During callus differentiation which of the cells divide?
Options
(a) parenchyma only (b) meristematic only (c) Both parenchyma only & meristematic only (d) no division
Correct Answer:
meristematic only
Explanation:
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A fungal disease of the poultry is
Options
(a) coccidiosis (b) coryza (c) moniliasis (d) marcks
Correct Answer:
moniliasis
Explanation:
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A good example of organic fertilizer which improves phosphorus uptake is
Options
(a) actinomycetes fungi (b) Rhizobium (c) Azospirillum (d) none of these
Correct Answer:
none of these
Explanation:
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Mating between two individuals differing in genotype to produce genetic variation is called
Options
(a) domestication (b) introduction (c) hybridization (d) mutation
Correct Answer:
hybridization
Explanation:
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Emasculation means
Options
(a) removal of sepal (b) removal of petal (c) removal of stamens (d) removal of carpel
Correct Answer:
removal of stamens
Explanation:
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Coryza disease in poultry spreads by
Options
(a) litter (b) food (c) water (d) soil
Correct Answer:
water
Explanation:
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Weed killers generally have properties much like that of
Options
(a) hormone (b) carbohydrate (c) enzymes (d) all of these
Correct Answer:
hormone
Explanation:
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Fungicide is obtained from which of the following plant?
Options
(a) Azadirachta (b) amla (c) root of Asparagus (d) sunflower
Correct Answer:
Azadirachta
Explanation:
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Pure line breed refers to
Options
(a) heterozygosity only (b) heterozygosity and linkage (c) homozygosity only (d) homozygosity and self-assortment
Correct Answer:
homozygosity only
Explanation:
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