If global warming continues, how would the distributional range of some species be affected?
1. There will be a poleward shift
2. There will be an equatorial shift
3. No change is expected for any species
4. There will be shift from land to marine water
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Hemostasis | 2. | Homeostasis |
3. | Thermoregulation | 4. | Osmoregulation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThermoregulation and osmoregulation can be achieved by all:
1. Amniotes
2. Birds and mammals
3. Vertebrates
4. Chordates and insects
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen exposed to cold temperatures, which of the following is responsible for maintaining constant body temperature in humans?
1. Vasoconstriction and shivering
2. Vasodilation and shivering
3. Vasodilation and sweating
4. Vasoconstriction and sweating
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVery small animals are rarely found in polar regions because:
1. | Being smaller in size makes them highly vulnerable to predation. |
2. | They have a larger surface area relative to their volume. |
3. | Small size makes long distance migration difficult. |
4. | Small sized animals lack insulating body layers. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn animals, the organism, if unable to migrate, might avoid the stress by escaping in time. All the following would exemplify this except:
1. | Hibernation | 2. | Aestivation |
3. | Diapause | 4. | Migration |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyI. | migrate temporarily |
II. | suspend their development till the return of favourable conditions |
III. | become ‘regulators’ if they are ‘conformers’ |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUnder unfavorable conditions, many zooplankton species in lakes and ponds are known to enter a stage of suspended development called as:
1. | Dormancy | 2. | Hibernation |
3. | Aestivation | 4. | Diapause |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAccording to Allen’s rule:
1. | Mammals from colder climates generally have shorter appendages |
2. | Mammals from colder climates generally have longer appendages |
3. | Mammals from colder climates generally have smaller body size |
4. | Mammals from colder climates generally have larger body size |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDesert lizards are able to keep their body temperature fairly constant by:
1. Physiological means
2. Anatomical means
3. Biochemical means
4. Behavioral means
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology