Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part10 : 21 to 25
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
21.Given below are assertion and reason. Assertion. Death is regarded as the most regulatory process on earch. Reason. It avoids over-crowding caused by continuous reproduction |
| Both are true and the reason is correct explanation |
| Both are true but reason is not correct explanation |
| Assertion is true but reason is wrong |
| Both are wrong |
22.Saline drip is given to patient suffering from cholera as |
| Na ⁺ ions help in retention of water in body tissues |
| NaCl is involved in supply of energy |
| NaCl furnishes most of cell fuel |
| Na ⁺ impairs nerve impulses involved in transmission of pain sensation |
23.Which one is incorrect |
| New individuals replace the dead ones |
| Homeostasis produces a self regulated steady state |
| Most homeostatic mechanisms operate through feed-back systems |
| Cell obtains instructions for divisions from a hereditary protein |
24.Energy flow and energy transformations of living system follow |
| Law of limiting factors |
| Law of thermodynamics |
| Liebig’s law of minimum |
| Biogenetic law |
25.Total heat content of a system is |
| Free energy |
| Enthalpy |
| Entropy |
| Kinetic energy |
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