- 1(current)
Q. No.Maintenance of a constant internal environment, in spite of an ever-changing external environment, by living organisms is called :
| 1. | Hemostasis | 2. | Homeostasis |
| 3. | Thermoregulation | 4. | Osmoregulation |
Subtopic: Â Major Abiotic Factors |
 80%
Level 1: 80%+
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Conformers resign themselves to sub-optimal performance if the prevailing environmental conditions are not in their range of tolerance. |
| Reason (R): | An overwhelming majority of animals and nearly all plants cannot maintain a constant internal environment. |
| 1. | Both (A) and (R) are true and (R) explains (A). |
| 2. | Both (A) and (R) are true but (R) does not explain (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Major Abiotic Factors |
 58%
Level 3: 35%-60%
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- 1(current)
Q. No.
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