Somaclonal variation is seen in 

1. tissue culture grown plants

2. apomicts

3. polyploids

4. vegetatively propagated plants

Subtopic:  Plant Tissue Culture |
 93%
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Which of the following is a correct match between crop, variety and resistance to diseases ?

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 73%
From NCERT
AIIMS - 2010
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Apiculture is associated with which of the following groups of plants ?

(1) Grapes, maize, potato

(2) Sugarcane, paddy, banana

(3) Guava, sunflower, strawberry

(4) Pineapple, sugarcane, strawberry

Subtopic:  Animal Husbandry (OLD NCERT) |
 56%
AIIMS - 2012
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Pebrine in silkworms is caused by:-
(1) Dugesia

(2) Monocystis

(3) Nosema

(4) Plasmodium

Subtopic:  Animal Husbandry (OLD NCERT) |
AIIMS - 2012
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Which of the following is not true for inbreeding?

(1) It causes inbreeding depression after a few generations.

(2) It always increases the productivity.

(3) It is used to produce a pure line.

(4) It leads to homozygosity.

Subtopic:  Animal Husbandry (OLD NCERT) |
 88%
From NCERT
AIIMS - 2013
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The phenomenon that operates in the formation of root or shoot in a callus culture is

1. differentiation

2. re-differentiation

3. de-differentiation

4. re-juvenation.

Subtopic:  Plant Tissue Culture |
 51%
AIIMS - 2014
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Match Column - 1 with Column - II and select the correct option from given codes.
Column I                               Column - II
A. Brassica                           (i) Himgiri
B. Okra                                (ii) Pusa Komal
C. Wheat                              (iii) Pusa Gaurav
D. Cowpea                            (iv) Pusa Sawani

(1) A- (iii), B- (iV), C- (i), D- (ii)

(2) A- (i), B- (iii), C- (ii), D- (iv)

(3) A- (iv), B- (iii), C- (i), D- (ii)

(4) A- (ii), B- (iv), C- (i), D- (iii)

Subtopic:  Breeding for Disease Resistance (OLD NCERT) | Insect & Pest Resistance (OLD NCERT) |
 70%
From NCERT
AIIMS - 2015
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The number of chromosomes present in the cells of the bread wheat, Triticum aestivum suggests that it is

(1) hexaploid

(2) diploid

(3) tetraploid

(4) pentaploid

Subtopic:  Impact: Green Revolution (OLD NCERT) |
 57%
AIIMS - 2016
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Which one of the following methods is commonly used to maintain the genetic traits of a given plant ?

(1) By propogating through seed germination

(2) By propogating through vegetative multiplication

(3) By generating hybrids through intergeneric pollination

(4) By treating the seeds with gamma radiations 

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 59%
AIIMS - 2017
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Which one of the following is a correct statement ?

(1) "Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology.

(2) Classical plant breeding involves fusion of two somatic cells carrying desired genes.

(3) The anticoagulant hirudin is being produced from transgenic Brassica napus seeds

(4) Golden rice is a transgenic variety of rice rich in vitamin E.

Subtopic:  Other GM Crops |
 59%
AIIMS - 2017
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