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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 | Insect & Pest Resistance |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


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 |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Identify the correct matches for crops and their improved varities

     Crops                  Varities                      Disease

(1) Wheat                Karan rai                    White rust

(2) Cauliflower        Pusa Shubhna              Leaf and stripe rust

(3) Cowpea              Pusa Koma                 Hill bunt

(4) Chill                 Pusa Sadabahar            Tobacco mosaic virus and leaf curl

Subtopic:  Breeding for Disease Resistance |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


In callus culture, shoots can be included by the supply of

(1) auxin and no cytokinin

(2) higher concentration of auxin and lower concentration of cytokinin

(3) Higher concentration of cytokinin and lower concentration of auxin

(4) Both auxin and cytokinin in equal amounts

Subtopic:  Plant Tissue Culture |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Pollorum disease in fowls is caused by

(1) Salmonella

(2) Clostridium

(3) Hemophilus

(4) Mycobacterium

Subtopic:  Animal Husbandry |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


One of these protozoans is threat to apiculture and sericulture

(1) Eimeria

(2) Ceratium

(3) Nosema

(4) Monocystis

Subtopic:  Animal Husbandry |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


The callus is defined as

(1) decaying cells

(2) differentiated cells

(3) sterile mass cells

(4) undifferentiated mass of cells

Subtopic:  Plant Tissue Culture |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Tritical is obtained by crossing wheat with

(1) oat

(2) barley

(3) maize

(4) rye

To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: