Which one is the wrong pairing for the disease and its causal organism?

(1) late blight of potato-Alternaria solani

(2) Black rust of wheat-Puccinia graminis

(3) Loose smut of wheat-Ustilago nuda

(4) Root-knot of vegetables-Meloidogyne sp.

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 51%
NEET - 2009
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Consider the following four measures (A-D) that could be taken to successfully grow chick pea in an area where bacterial blight disease is common

(A) spray with Bordeaux mixture

(B) control of the insect vector of the disease pathogen

(C) use of only disease-free seeds

(D) use of varieties resistant to the disease

Which two of the above measures can control the disease?

(1) B and C

(2) A and B

(3) C and D

(4) B and D

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
NEET - 2008
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The crops engineered for glyphosate are resistant/tolerant to

(1) fungi

(2) bacteria

(3) insects

(4) herbicides

Subtopic:  Plant Breeding for Quality (OLD NCERT) |
NEET - 2015
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Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide?

(1) Bacterial leaf blight of rice

(2) Downy mildew of grapes

(3) Loose smut of wheat

(4) Black rust of wheat

Subtopic:  Insect & Pest Resistance (OLD NCERT) |
NEET - 2008
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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

Subtopic:  Animal Husbandry (OLD NCERT) |
 89%
From NCERT
NEET - 2017
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Interspecific hybridisation is the mating of

(1) animals within same breed without having common ancestors

(2) two different related species

(3) superior males and females of different breeds

(4) more closely related individuals within same breed for 4-6 generations

Subtopic:  Animal Husbandry (OLD NCERT) |
 76%
From NCERT
NEET - 2016
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Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?

(1) Mystus

(2) Mangur

(3) Mrigala

(4) Mackerel

Subtopic:  Animal Husbandry (OLD NCERT) |
 78%
NEET - 2016
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A system of rotating crops with legume or grass pasture to improve soil structure and

fertility is called

1. contour farming

2. strip farming

3. shifting agriculture

4. ley farming

Subtopic:  Plant Breeding for Quality (OLD NCERT) |
NEET - 2016
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Outbreeding is an important stategy of animal husbandry because it

1. help in accumulation of superior genes

2. is useful in producing purelines of animals

3. is useful in overcoming inbreeding depression 

4. exposes harmful recessive genes that are eliminated by selection

Subtopic:  Animal Husbandry (OLD NCERT) |
 82%
From NCERT
NEET - 2015
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A technique of micropropagation is

1. Somatic hybridisation

2. Somatic embryogenesis

3. Protoplast fusion

4. Embryo rescue

Subtopic:  Plant Tissue Culture |
NEET - 2015
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