Select Question Set:
Q. No.Given below are two statements:
Assertion (A):
In plant breeding experiment superior recombinants among hybrid progeny are self-pollinated to achieve homozygosity.
Reason (R):
Characters in homozygous condition do not segregate.
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Parbhani Kranti is high yielding variety of okra which is resistant to yellow mosaic virus. |
| Reason (R): | Genes for high yield and resistance to yellow mosaic virus are transferred from cultivated varieties. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Breeding for Disease Resistance (OLD NCERT) |
51%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Apical bud and axillary bud are most suitable explants to produce virus free plants. |
| Reason (R): | Meristems have rapid rate of cell division and are free from viruses. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Tissue Culture |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Plants produced through micropropagation are called somaclones. |
| Reason (R): | Each of the plant of somaclones morphologically identical but genetically non-identical to parent plant. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Tissue Culture |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Atlas-66 is a biofortified crop. |
| Reason (R): | Wheat variety Atlas-66 has low protein content.- |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Breeding for Quality (OLD NCERT) |
91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match the below given columns and select the correct option.
| Column l | Column ll | ||
| (i) | Root of any breeding programme | (a) | Cross hybridization among selected parents |
| (ii) | Time consuming and tedious process | (b) | Collection of variability |
| (iii) | Crucial to the success of breeding objective | (c) | Selection and testing of superior recombinants |
| (i) | (ii) | (iii) | |
| 1. | a | b | c |
| 2. | c | b | a |
| 3. | b | c | a |
| 4. | b | a | c |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In biofortification, nutritional quality and content is increased. For which of the following nutrients we focus to improve the content not the quality?
1. Protein
2. Oil
3. Fat
4. Vitamins
1. Protein
2. Oil
3. Fat
4. Vitamins
Subtopic: Plant Breeding for Quality (OLD NCERT) |
51%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select the incorrect match w.r.t. single cell protein organism.
| 1. | Candida | – | Fungus |
| 2. | Fusarium | – | Bacteria |
| 3. | Mushroom | – | Fungi |
| 4. | Spirulina | – | Blue green alga |
Subtopic: Single Cell Protein (OLD NCERT) |
63%
Please attempt this question first.
Hints
Please attempt this question first.
If a plant researcher wants to grow a healthy turnip plant from an infected turnip plant (mosaic disease), he/she should focus on:
| 1. | Making the turnip plant hairy |
| 2. | Growing the apical meristem from turnip plant in in-vitro condition |
| 3. | Cross hybridizing the turnip plant with healthy one in in-vitro condition |
| 4. | Making the turnip plant smooth leaved |
Subtopic: Plant Tissue Culture |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
All of the below given are aphid resistant plant varieties, except:
1. Pusa Sem 2
2. Pusa Gaurav
3. Pusa Sem 3
4. Pusa Sawani
1. Pusa Sem 2
2. Pusa Gaurav
3. Pusa Sem 3
4. Pusa Sawani
Subtopic: Insect & Pest Resistance (OLD NCERT) |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.