Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part8 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.Homeostasis is disturbed when |
| It is cold outside |
| It is hot outside |
| We fall ill |
| We perform strenuous exercise |
17.A major regulator mechanism for multistep reactions is |
| Presence of inhibitors |
| Availability of activators |
| Feed-back mechanism |
| All the above |
18.Anabolism is |
| Sum total of metabolic reactions |
| Destructive metabolism |
| Constructive metabolism |
| Glycogenolysis |
19.Homeostasis is |
| Maintenance of dynamic constancy of internal environment |
| Maintenance of static constancy of internal environment |
| Maintaining favourable internal environment despite changes in external environment |
| Both A and C |
20.If the external temperature is low |
| Warm receptors are activated |
| Cold receptors are inhibited |
| Thermostat becomes operational ordering vasoconstriction of peripheral vessels and stimulation of skeletal muscles |
| Thermostat becomes operational ordering vasodilation of peripheral vessels and activation of sweat glands |
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