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MCQs

Total Questions : 236 | Page 21 of 24 pages
Question 201. Corrective mechanism of water loss does not involve
  1.    less water reabsorbed by kidney tubules
  2.    more ADH secreted
  3.    concentrated urine
  4.    less urine
 Discuss Question
Answer: Option A. -> less water reabsorbed by kidney tubules
Answer: (a).less water reabsorbed by kidney tubules
Question 202. Spasmodic contraction of the muscles that increases body temperature includes
  1.    breathing
  2.    panting
  3.    sweating
  4.    shivering
 Discuss Question
Answer: Option D. -> shivering
Answer: (d).shivering
Question 203. In hypothalamus, heat gain center is activated if
  1.    day is cold
  2.    day is sunny
  3.    mammal is hairy
  4.    excess physical activities are done
 Discuss Question
Answer: Option A. -> day is cold
Answer: (a).day is cold
Question 204. Processing an opposite effect to the change is known as
  1.    positive Feedback
  2.    supportive feedback
  3.    negative feedback
  4.    reflux feedback
 Discuss Question
Answer: Option C. -> negative feedback
Answer: (c).negative feedback
Question 205. If the temperature of penguins rises above 38 °C, they
  1.    cuddle together
  2.    pant
  3.    increase metabolic rate
  4.    respire on stored fat
 Discuss Question
Answer: Option B. -> pant
Answer: (b).pant
Question 206. Self regulatory mechanism and negative feedback cannot initiate in the absence of
  1.    appropriate body temperature
  2.    biosensors
  3.    receptors
  4.    bacteria and virus
 Discuss Question
Answer: Option C. -> receptors
Answer: (c).receptors
Question 207. If heat gain center of the hypothalamus is activated, the control mechanism includes all, but,
  1.    vasoconstriction
  2.    Less convection
  3.    less radiation
  4.    less metabolic activities
 Discuss Question
Answer: Option D. -> less metabolic activities
Answer: (d).less metabolic activities
Question 208. Negative feedback is introduced through
  1.    ADH
  2.    ATPs
  3.    self-regulatory corrective mechanism
  4.    cerebral hemisphere
 Discuss Question
Answer: Option C. -> self-regulatory corrective mechanism
Answer: (c).self-regulatory corrective mechanism
Question 209. Homeostatic control mechanism begins with the onset of
  1.    trigger
  2.    biosensors
  3.    cillia
  4.    stimuli
 Discuss Question
Answer: Option D. -> stimuli
Answer: (d).stimuli
Question 210. Sweat glands become less active if
  1.    heat loose center of hypothalamus is activated
  2.    heat gain center of hypothalamus is activated
  3.    low glucose detector part of hypothalamus is stimulated
  4.    high glucose detector part of hypothalamus is stimulated
 Discuss Question
Answer: Option B. -> heat gain center of hypothalamus is activated
Answer: (b).heat gain center of hypothalamus is activated

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