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Q. No.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 |
79%
From NCERT
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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. |
85%
From NCERT
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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 |
76%
From NCERT
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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
53%
From NCERT
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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 |
61%
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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 |
83%
From NCERT
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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
74%
From NCERT
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Both mung bean and okra have been made resistant against yellow mosaic virus. In mung bean and okra resistance was introduced by:
| 1. | Mutation breeding |
| 2. | Conventional Breeding |
| 3. | Mutation and conventional breeding respectively |
| 4. | Conventional breeding and mutation breeding respectively |
67%
From NCERT
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Hairy or smooth leaf surface in plants provides resistance against all of the following insects, except:
1. Jassid
2. Leaf beetle
3. Bollworm
4. Fruit borer
1. Jassid
2. Leaf beetle
3. Bollworm
4. Fruit borer
59%
From NCERT
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Spirulina can
Choose the correct ones:
1. a and b only
2. a and c only
3. c only
4. All a, b and c
| a. | Be easily grown on starch rich materials |
| b. | Serve as food rich in proteins, fats, carbohydrates and vitamins |
| c. | Be used to generate SCP and eventually reducing environmental pollution |
Choose the correct ones:
1. a and b only
2. a and c only
3. c only
4. All a, b and c
88%
From NCERT
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