Plant Breeding
Trending Questions
Q.
what is catabolic reactions?
Q. In the following question a statement of assertion (A) is followed by a statement of reason (R).
A - The qualities of Saccharum barberi and Saccharum officinarum were combined.
R- North Indian sugar cane varieties were less in sugar content.
A - The qualities of Saccharum barberi and Saccharum officinarum were combined.
R- North Indian sugar cane varieties were less in sugar content.
Q. Regarding assertion and reason, choose the correct option
Assertion [A]: Plant breeding is quite similar in application to animal breeding.
Reason [R]: Both plant and animal breeding aim to bring desirable qualities in one plant or animal to make them a better source of food.
Assertion [A]: Plant breeding is quite similar in application to animal breeding.
Reason [R]: Both plant and animal breeding aim to bring desirable qualities in one plant or animal to make them a better source of food.
- Both A and R are true and R explains A
- Both A and R are true R does not explain A
- A is true and R is false
- Both A and R are false
Q. The correct sequence of steps in breeding a new genetic variety of a crop is:
(a) Selection of parents
(b) Cross hybridisation of the selected parents
(c) Collection of variability
(d) Testing, release and commercialisation of new cultivars
(e) Selection and testing of superior recombinants
(a) Selection of parents
(b) Cross hybridisation of the selected parents
(c) Collection of variability
(d) Testing, release and commercialisation of new cultivars
(e) Selection and testing of superior recombinants
- (a), (b), (c), (d), (e)
- (e), (a), (b), (d), (c)
- (c), (a), (b), (e), (d)
- (c), (a), (b), (d), (e)
Q. Arrange the given steps of the tissue culture process in the correct order.
I. Sterilisation of culture media and explant
II. Transfer of explants to culture medium
III. Selection of explant
IV. Organogenesis in callus and formation of plantlets
V. Establishment of plantlets in the field
I. Sterilisation of culture media and explant
II. Transfer of explants to culture medium
III. Selection of explant
IV. Organogenesis in callus and formation of plantlets
V. Establishment of plantlets in the field
Q. In________, resistance to yellow mosaic virus was developed by mutation breeding.
- chilli
- cowpea
- mung bean
- cauliflower
Q. Arrange the following steps of a plant breeding programme in the correct order.
I. Selection and testing of superior recombinants
II. Collection of variability
III. Cross hybridisation between the selected parents
IV. Evaluation and selection of parents
V. Testing, release and commercialisation of new cultivars
I. Selection and testing of superior recombinants
II. Collection of variability
III. Cross hybridisation between the selected parents
IV. Evaluation and selection of parents
V. Testing, release and commercialisation of new cultivars
Q.
Select the incorrect statement(s).
I. Multiple alleles are the product of repeated mutations of the same gene, but in different directions.
II. In codominance, both the alleles of the gene express themselves independently as both are dominant.
III. Incomplete dominance results in two different phenotypes in the hybrid.
- Statements ii and iii
- Statement i only
- Statements i and ii
- Statement iii only
Q. Choose the characteristic of a crop which is NOT desired for plant breeding.
- Adaptability for all weather conditions
- High-yielding plant varieties
- Disease-free plant varieties
- Develop plants with low nutritional level
Q.
WHAT IS THE SCIENTIFIC NAME OF TIGER, WHITE TIGER?
WHAT IS THE DIFFERENCE BETWEEN TIGER AND TIGER CAT?
