Somaclonal variation appears in

(1) organisms produced through somatic hybridization

(2) plants growing in highly polluted conditions

(3) apomictic plants

(4) tissue culture raised plants.

Subtopic:  Plant Tissue Culture |
 75%
AIIMS - 2005
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In the following table identify the correct matching of the crop, its disease and the corresponding pathogen.

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 50%
AIIMS - 2006
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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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