- 1(current)
Q. No.Regarding out-breeding, the number of correct statements is:
| I. | Out-crossing is the practice of mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4-6 generations. |
| II. | Out-crossing is the best breeding method for animals that are below average in productivity in milk production, growth rate in beef cattle, etc. |
| III. | A single outcross often helps to overcome inbreeding depression. |
| IV. | In cross-breeding superior males of one breed are mated with superior females of another breed. |
| V. | Cross-breeding allows the desirable qualities of two different breeds to be combined. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Cross hybridisation among the selected parents is frequently used for the improvement of crop plants. Which of the following is not a shortcoming of the process?
| 1. | The combination of desired characters may always not be possible |
| 2. | It can be a tedious and time-consuming process |
| 3. | Undesirable characters may get introduced |
| 4. | The number of progeny is very limited |
The agriculture sector of India employs about:
1. 50 percent of the population
2. 70 percent of the population
3. 30 percent of the population
4. 60 percent of the population.
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A plant disease not caused by a fungal pathogen will be:
| 1. | Brown rust of wheat | 2. | Black rot of crucifers |
| 3. | Red rot of sugarcane | 4. | Late blight of potato |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the row where the crop [Column I], its variety [Column II] and resistance to disease/pest [Column III] are all correctly matched:
|
COLUMN I |
COLUMN II |
COLUMN III |
|
|
1. |
Brassica |
Himgiri |
White rust |
|
2. |
Cowpea |
Pusa Komal |
Bacterial blight |
|
3. |
Flat bean |
Pusa Sem 2 |
Shoot and fruit borer |
|
4. |
Okra |
Pusa Gaurav |
Aphids |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the option where all columns are correctly matched:
|
|
Crop |
Variety |
Resistant to |
|
1. |
Rapeseed mustard |
Pusa Sawani |
Shoot and fruit borer |
|
2. |
Chilli |
Himgiri |
Chilli mosaic virus |
|
3. |
Cauliflower |
Pusa Shubhra |
Bacterial blight |
|
4. |
Flat bean |
Pusa Sem 2 |
Aphids |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched row:
|
|
Crop |
Variety |
Resistant to |
|
1. |
Karan rai |
Brassica |
White rust |
|
2. |
Pusa sawani |
Okra |
Shoot and fruit borer |
|
3. |
Himgiri |
Wheat |
Leaf and stripe rust |
|
4. |
Pusa sadabahar |
Cowpea |
Bacterial blight |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Match biofortified crops in Column I with enriched nutrients in Column II and select the correct answer from the codes given:
|
|
Column I |
|
Column II |
|
A. |
Maize hybrids |
a. |
lysine and tryptophan |
|
B. |
Atlas 66 |
b. |
high protein content |
|
C. |
Golden rice |
c. |
Vitamin A |
Code
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | a | b |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
- 1(current)
Q. No.
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