MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_PLANTS_IS_EXTREMELY_SENSITIVE_TOWARDS_SULPHUR_DIOXIDE??$ |
| A. | Onion |
| B. | Potato |
| C. | Corn |
| D. | Tomato |
| Answer» E. | |
| 2. |
TCDD_is_a_human_carcinogen.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Crocidolite, actionide and amosite belong to which of the following category of pollutants? |
| A. | Particulate matter |
| B. | Asbestos |
| C. | Dioxins |
| D. | Cigarette smoke |
| Answer» C. Dioxins | |
| 4. |
Which of the following compounds was earlier produced for the utility of transformers? |
| A. | PDD |
| B. | PCDF |
| C. | PCB |
| D. | TCDD |
| Answer» D. TCDD | |
| 5. |
Which of the following belongs to class of extremely toxic dioxin compound(s)? |
| A. | Polychlorinated dibenzo-p-dioxins |
| B. | Polychlorinated dibenzofurans |
| C. | Polychlorinated biphenyls |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Which of the following is the current major contributor to lead air pollution? |
| A. | Motor vehicles |
| B. | Metal processing centres |
| C. | Waste incinerators |
| D. | Lead acid battery manufacturing units |
| Answer» C. Waste incinerators | |
| 7. |
How does nitrogen affect the human body? |
| A. | Increases vulnerability to pathogens |
| B. | Destroys the macrophages |
| C. | Injures the defence mechanism of the lungs |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
What is the Haldane equation used for? |
| A. | To measure the amount of oxygen converted to ozone for a given wavelength of UV light |
| B. | To measure the ratio of affinity of carbon monoxide and oxygen to bind to a haemoglobin molecule |
| C. | To measure the percentage of carbon monoxide that is oxidised to carbon dioxide in various levels of oxygen |
| D. | To calculate the percentage of oxygen addition and carbon dioxide removal during respiratory action |
| Answer» C. To measure the percentage of carbon monoxide that is oxidised to carbon dioxide in various levels of oxygen | |
| 9. |
How does carbon monoxide affect the human body? |
| A. | It does not allow binding of oxygen with haemoglobin |
| B. | It reduces the surface area of the alveoli and disrupts gaseous transfers |
| C. | It causes the liver to malfunction, increasing bile secretion |
| D. | It reduces the body’s tendency to absorb water thereby making us feel dehydrated |
| Answer» B. It reduces the surface area of the alveoli and disrupts gaseous transfers | |