MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of the following, organisms completely stop their metabolic activities? |
| A. | Hibernation |
| B. | Aestivation |
| C. | Death |
| D. | Diapause |
| Answer» D. Diapause | |
| 2. |
For which of the following organisms thermoregulation is energetically expensive? |
| A. | Large-sized aquatic animals |
| B. | Small-sized terrestrial animals |
| C. | Large-sized terrestrial animals |
| D. | Medium-sized terrestrial animals |
| Answer» C. Large-sized terrestrial animals | |
| 3. |
Which process do some snails and fishes undergo to prevent themselves from desiccation? |
| A. | Dormancy |
| B. | Migration |
| C. | Aestivation |
| D. | Hibernation |
| Answer» D. Hibernation | |
| 4. |
What do the desert lizards do when their body temperature drops? |
| A. | They burrow in the sand |
| B. | They hide in the soil |
| C. | They move in a shady place |
| D. | They bask in the sun |
| Answer» E. | |
| 5. |
Which rule states that in a cold climate, mammals possess shorter ears and limbs to minimize the heat loss? |
| A. | Bergman s rule |
| B. | Blackman s rule |
| C. | Allen s rule |
| D. | Lindeman s rule |
| Answer» D. Lindeman s rule | |
| 6. |
The Siberian cranes migrate to which National Park in India? |
| A. | Kaziranga National Park, Assam |
| B. | Silent Valley National Park, Kerala |
| C. | Chikla Lake Bird Sanctuary, Orissa |
| D. | Keoladeo National Park, Rajasthan |
| Answer» E. | |
| 7. |
Why small animals are rarely found in polar regions? |
| A. | Less loss of heat |
| B. | Their surface area and body mass ratio is high |
| C. | Their surface area and body mass ratio is low |
| D. | Their surface area is small |
| Answer» C. Their surface area and body mass ratio is low | |
| 8. |
What are most of the invertebrates? |
| A. | Thermoregulators |
| B. | Osmoregulators |
| C. | Thermoconformers |
| D. | Conformers |
| Answer» D. Conformers | |
| 9. |
What are birds and mammals? |
| A. | Thermoconfirmers and osmoconfirmers |
| B. | Thermoconfirmers and osmoregulators |
| C. | Thermoregulators and cold-blooded animals |
| D. | Thermoregulators and osmoregulators |
| Answer» E. | |
| 10. |
What is maintaining the constancy of the internal environment called? |
| A. | Conformation |
| B. | Homeostasis |
| C. | Adaptation |
| D. | Migration |
| Answer» C. Adaptation | |
| 11. |
What is the suspension of metabolic activities during summer called? |
| A. | Aestivation |
| B. | Diapause |
| C. | Menopause |
| D. | Regulation |
| Answer» B. Diapause | |
| 12. |
What is diapause? |
| A. | Shedding of leaves |
| B. | Stage of suspended development |
| C. | Aging in mammals |
| D. | Programmed cell death |
| Answer» C. Aging in mammals | |