Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part10 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.Given below are assertion and reason. Assertion. Living systems are closed systems. Reason. Energy of living organisms cannot be lost or gained from environment |
| 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 |
12.A person exposed to cold environment does not show |
| Shivering |
| Vasoconstriction of peripheral vessels |
| Increased secretion of thyroid and adrenal medula |
| Increased heart eat and volume per stroke |
13.During the occurrence of a spontaneous process, free energy |
| Decreases |
| Increases |
| Is not liberated |
| Remains constant |
14.Phenomenon of organisms resembling others for escaping from enemies is |
| Adaptation |
| Mimicry |
| Homology |
| Analogy |
15.The smallest unit of life is |
| DNA |
| RNA |
| Cell |
| Protein |
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