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MCQs

Total Questions : 88 | Page 8 of 9 pages
Question 71. The approximate proton motive force of an actively respiring mitochondrion is ____________ mV.
  1.    220
  2.    240
  3.    260
  4.    280
 Discuss Question
Answer: Option A. -> 220
Answer: (a).220
Question 72. The protruding invaginated sheets inside mitochondria is known as _____
  1.    Cristae
  2.    Fimbrae
  3.    Hyphae
  4.    Cellular Digestion
 Discuss Question
Answer: Option A. -> Cristae
Answer: (a).Cristae
Question 73. The maintenance of proton motive force requires that inner mitochondrial membrane remains permeable to protons.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 74. For which organelle proton motive force is also a source of energy?
  1.    nucleus
  2.    ribosomes
  3.    mitochondrion
  4.    golgi complex
 Discuss Question
Answer: Option C. -> mitochondrion
Answer: (c).mitochondrion
Question 75. Mitochondria is the organ for ______
  1.    Cellular respiration
  2.    Cellular digestion
  3.    Cellular death
  4.    Cellular motility
 Discuss Question
Answer: Option A. -> Cellular respiration
Answer: (a).Cellular respiration
Question 76. Which genetic disorder is associated with dysfunction of peroxisomes?
  1.    Parkinson’s disease
  2.    Down’s syndrome
  3.    Zellweger Syndrome
  4.    Bubble Boy Syndrome
 Discuss Question
Answer: Option C. -> Zellweger Syndrome
Answer: (c).Zellweger Syndrome
Question 77. What cell organelle assists in the oxidation of fatty acids along with peroxisomes?
  1.    Ribosome
  2.    Nucleus
  3.    Endoplasmic Reticulum
  4.    Mitochondria
 Discuss Question
Answer: Option D. -> Mitochondria
Answer: (d).Mitochondria
Question 78. Which organelle is used in the production of white matter in the nervous system?
  1.    Mitochondria
  2.    Peroxisomes
  3.    Endoplasmic Reticulum
  4.    Ribosomes
 Discuss Question
Answer: Option B. -> Peroxisomes
Answer: (b).Peroxisomes
Question 79. The ability of importins and exportins to transport molecules in and out of the nucleoporins is regulated by ______________
  1.    ATPases
  2.    GTPases
  3.    AMPases
  4.    Both ATPases and GTPases
 Discuss Question
Answer: Option B. -> GTPases
Answer: (b).GTPases
Question 80. Why are red blood cells anucleated?
  1.    Presence of nucleus leads to heavier cells that cannot flow in blood stream
  2.    Absence of nucleus leads to increased space for haemoglobin that carries molecular oxygen
  3.    Presence of nucleus leads to increased proliferation of RBCs which harms the body
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Absence of nucleus leads to increased space for haemoglobin that carries molecular oxygen
Answer: (b).Absence of nucleus leads to increased space for haemoglobin that carries molecular oxygen

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