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MCQs

Total Questions : 159 | Page 16 of 16 pages
Question 151. . Which of the following statements about the outer mitochondrial membrane is not true?
  1.    The outer membrane is impermeable to hydrogen ions
  2.    The outer membrane is highly permeable to substances of small molecular weight
  3.    The outer membrane is about 50% lipid and 50% protein by weight
  4.    The outer membrane contains porins
 Discuss Question
Answer: Option A. -> The outer membrane is impermeable to hydrogen ions
Question 152. .  The cell membrane is made up of
  1.    lipoproteins
  2.    cellulose
  3.    phospholipids
  4.    phosphoproteins
 Discuss Question
Answer: Option A. -> lipoproteins
Question 153. . Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as
  1.    gly-peroxisome
  2.    lysosome
  3.    glyoxysome
  4.    none of these
 Discuss Question
Answer: Option C. -> glyoxysome
Question 154. . 
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?
  1.    Both have their own DNA
  2.    Both have their own ribosomes
  3.    Both strongly resemble prokaryotes, especially in size
  4.    Both can live and function independently of the cell
 Discuss Question
Answer: Option D. -> Both can live and function independently of the cell
Question 155. . The fluid matrix of a cell is called the
  1.    nucleus
  2.    cytosol
  3.    cytoskeleton
  4.    endoplasmic reticulum
 Discuss Question
Answer: Option B. -> cytosol
Question 156. . In plant cells, which of the following is not a function of the large central vacuoles of plant cells?
  1.    Storage of food
  2.    Support
  3.    Contractile regulation of
  4.    Waste storage water content
 Discuss Question
Answer: Option C. -> Contractile regulation of
Question 157. . 
Which of the following can be found as a part of the mitochondrial matrix?
  1.    Ribosomes
  2.    DNA
  3.    Enzymes
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 158. . In plant cells, which of the following is not a function of the large central vacuoles of plant cells?
  1.    Storage of food
  2.    Support
  3.    Contractile regulation of
  4.    Waste storage water content
 Discuss Question
Answer: Option C. -> Contractile regulation of
Question 159. . 
Which of the following can be found as a part of the mitochondrial matrix?
  1.    Ribosomes
  2.    DNA
  3.    Enzymes
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these

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