MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the first developed bio-insecticide? |
| A. | Sporeine |
| B. | Rotenone |
| C. | Pyrethrin |
| D. | Nicotine Sulphate |
| Answer» B. Rotenone | |
| 2. |
What is the full form of IPM? |
| A. | Indian Pests Management |
| B. | Integrated Pest Management |
| C. | Integrated Plant Management |
| D. | Indian plant management |
| Answer» C. Integrated Plant Management | |
| 3. |
On which of the following does the baculoviruses attack? |
| A. | Arthropods |
| B. | Mammals |
| C. | Fishes |
| D. | Plants |
| Answer» B. Mammals | |
| 4. |
For which of the following, Baculoviruses are not the excellent candidates? |
| A. | Species-specific applications |
| B. | Narrow spectrum applications |
| C. | Insecticidal applications |
| D. | Broad-spectrum applications |
| Answer» E. | |
| 5. |
Which of the following statements is incorrect regarding Trichoderma? |
| A. | It is a bacterium |
| B. | Very common in root ecosystems |
| C. | Free-living |
| D. | Effective biocontrol agents |
| Answer» B. Very common in root ecosystems | |
| 6. |
Which of the following crop has been developed by genetic engineering in India? |
| A. | Bt-potato |
| B. | Bt-pomato |
| C. | Bt-cotton |
| D. | Bt-jute |
| Answer» D. Bt-jute | |
| 7. |
When larva eats the bacteria, then in the head of the larvae, the toxin is released. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
How is Bacillus thuringiensis available to be sprayed on plants? |
| A. | In the form powder |
| B. | In the form of log |
| C. | In the form of dried spores |
| D. | In the form of wet spores |
| Answer» D. In the form of wet spores | |
| 9. |
What are biocontrol agents for controlling butterfly caterpillars? |
| A. | <em>Bacillus thuringiensis</em> |
| B. | <em>Lactobacillus</em> |
| C. | <em>Acetobacter aceti </em> |
| D. | <em>Treponema palladium</em> |
| Answer» B. <em>Lactobacillus</em> | |
| 10. |
What are the dragonflies use to get rid of? |
| A. | Aphids |
| B. | Mosquitoes |
| C. | Earthworms |
| D. | Honey bees |
| Answer» C. Earthworms | |
| 11. |
Which of the following is not true regarding biological farming? |
| A. | Farmers understand the webs of interaction among organisms |
| B. | Use of biocontrol measures will increase our dependence on chemical fertilizers |
| C. | Farmers become familiar with the various life forms that inhabit the field |
| D. | Farmers become aware of the life cycles and feeding habits of organisms |
| Answer» C. Farmers become familiar with the various life forms that inhabit the field | |
| 12. |
The more variety a landscape has, the more sustainable it is. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
What is the method of controlling pests in agriculture by the organic farmer? |
| A. | Chemical fertilizers |
| B. | Natural predation |
| C. | Morphological method |
| D. | Physiological method |
| Answer» C. Morphological method | |
| 14. |
Which of the following is generally not polluted by the use of chemical fertilisers? |
| A. | Soil |
| B. | Water |
| C. | Ground |
| D. | Air |
| Answer» E. | |
| 15. |
What does biocontrol refer to? |
| A. | Use of biological methods for controlling plant diseases |
| B. | Use of chemical methods for controlling plant diseases |
| C. | Use of morphological methods by the plants to control the attack of pathogens |
| D. | Use of physical methods by the plants to control the attack of pathogens |
| Answer» B. Use of chemical methods for controlling plant diseases | |