Homeostasis Thermoregulation MCQs Quiz Online PDF Download

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MCQs on Homeostasis ThermoregulationQuiz PDF Download

MCQ: Freezing temperatures form ice crystals within protoplasm, perforates membranes and organelles, eventually cell is

  1. regenerated
  2. killed
  3. phagocytosed
  4. plasmolysed

B

MCQ: Elevated temperatures damage metabolism by denaturing

  1. proteins
  2. enzymes
  3. carbohydrates
  4. fats

B

MCQ: Heat shock proteins encircle enzymes as a self defense and protect plant against temperature above

  1. 10°C
  2. 20°C
  3. 30°C
  4. 40°C

D

MCQ: Cells of plants in deficiency of water synthesize large quantities of proteins called

  1. lipo proteins
  2. heat shock proteins
  3. heat protein
  4. glycol proteins

B