MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is an herbicide? |
| A. | Endrin |
| B. | Lindane |
| C. | Sodium chloride |
| D. | Sodium arsinite |
| Answer» E. | |
| 2. |
In the recent days, where has the pesticide industry has shifted to? |
| A. | Stronger pesticides |
| B. | Herbicides |
| C. | Insecticides |
| D. | Organo-chlorides |
| Answer» C. Insecticides | |
| 3. |
Pesticides and herbicides are the major components of chemical pollution. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Identify the correct statement regarding negative soil pollution. |
| A. | Contamination of the soil due to addition of insecticides |
| B. | Reduction in soil productivity due to soil erosion |
| C. | Reduction in soil productivity due to the addition of pesticides and herbicides |
| D. | Contamination of the soil due to natural disasters. |
| Answer» C. Reduction in soil productivity due to the addition of pesticides and herbicides | |
| 5. |
Pick out the correct statement about carbamates from the following. |
| A. | They are less harmful to human life |
| B. | They offer excellent insect-resistance |
| C. | They are less persistent |
| D. | They are non-biodegradable |
| Answer» D. They are non-biodegradable | |
| 6. |
Identify the substance that is not an organic toxin. |
| A. | Aldrin |
| B. | Dieldrin |
| C. | Hydrogen sulphide |
| D. | Toxaphene |
| Answer» D. Toxaphene | |
| 7. |
At each trophic level, the pollutant gets 10 times more concentrated. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Pick out the correct characteristic of organic toxins. |
| A. | insoluble, non-biodegradable |
| B. | soluble, non-biodegradable |
| C. | insoluble, biodegradable |
| D. | soluble, biodegradable |
| Answer» B. soluble, non-biodegradable | |
| 9. |
Which one of the following chemicals has been banned in India? |
| A. | Acephate |
| B. | Deet |
| C. | Metaldehyde |
| D. | DDT |
| Answer» E. | |
| 10. |
Before World War II, which chemical was used for pest control? |
| A. | DDT |
| B. | Nicotine |
| C. | Boric acid |
| D. | Deltamethrin |
| Answer» C. Boric acid | |