Q. No.| I. | Use of improved crop varieties |
| II. | Use of better management practices |
| III. | Use of agrochemicals [fertilisers and pesticides] |
| 1. | Only I | 2. | Only I and III |
| 3. | Only I and II | 4. | I, II and III |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | More tolerance to abiotic stresses |
| 2. | Alternative resources to industries |
| 3. | Increased efficiency of mineral usage by plants |
| 4. | Fixation of atmospheric nitrogen |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
GM crops have been modified with various traits. Golden rice has been developed by the International Rice Research Institute for:
| 1. | Improved shelf life | 2. | Disease resistance |
| 3. | Herbicide resistance | 4. | Improved nutritional value |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
A protoxin is:
| 1. | A primitive toxin | 2. | A denatured toxin |
| 3. | Toxin produced by protozoa | 4. | Inactive toxin |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The trigger for activation of toxin of Bacillus thuringiensis is:
| 1. | Acidic pH of stomach |
| 2. | High temperature |
| 3. | Alkaline pH of gut |
| 4. | Mechanical action in the insect gut |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Bacillus thuringiensis (Bt) strains have been used to design novel:
| 1. | Biofertilizers | 2. | Biometallurgic techniques |
| 3. | Biomineralization processes | 4. | Bioinsecticidal plants |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Why does the bacterium Bacillus thuringiensis not affected by the toxins produced by it that can kill arthropods?
| 1. | The toxin inactivated by proteins in the bacterial cells. |
| 2. | The bacterial cell does not have organelles and thus it is harmless. |
| 3. | It is produced as a pro-toxin by the bacterium. |
| 4. | The protein needs post-transcriptional modification possible only in eukaryotic cells. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Corn borer can be controlled by the proteins encoded by Bacillus thuringiensis gene:
| 1. | cryIAb | 2. | cryIAc |
| 3. | cryIIAb | 4. | cryIIIAc |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | a nematode, Meloidogyne incognita. |
| 2. | a nematode, Caenorhabditis elegans. |
| 3. | a trematode, Clonorchis sinensis. |
| 4. | a cestode, Taenia sloium. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
RNAi, as a mechanism of cellular defense, takes place in:
| 1. | All bacteria | 2. | All unicellular organisms |
| 3. | All plants only | 4. | All eukaryotic organisms |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2024 GoodEd Technologies Pvt. Ltd.