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MCQs

Protoplasms And Tissues, Cytoplasmic Membrane Systems, Tissues

Total Questions : 143 | Page 8 of 15 pages
Question 71. Lipofuscin granules decrease in number as individual grows older.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 72. In the ‘I-cell disease’, lysosomes are ___________
  1.    absent
  2.    bloated
  3.    short-lived
  4.    immobile
 Discuss Question
Answer: Option B. -> bloated
Answer: (b).bloated
Question 73. Gaucher disease is caused due to deficiency of ______________
  1.    hexosaminidase A
  2.    lysosomes
  3.    glucocerebrosidase
  4.    mannose phophate
 Discuss Question
Answer: Option C. -> glucocerebrosidase
Answer: (c).glucocerebrosidase
Question 74. The enzyme N-acetylglucosamine phosphotransferase is responsible for ____________
  1.    mannose phosphorylation
  2.    sucrose phosphorylation
  3.    tethering Golgi stack
  4.    modification of integral proteins
 Discuss Question
Answer: Option A. -> mannose phosphorylation
Answer: (a).mannose phosphorylation
Question 75. Lysosomal storage disorders are caused due to ______________
  1.    absence of lysosomes
  2.    absence of a single lysosome
  3.    absence of integral membrane proteins
  4.    accumulation of lipofuschin granules
 Discuss Question
Answer: Option B. -> absence of a single lysosome
Answer: (b).absence of a single lysosome
Question 76. 90% of the volume of a plant cell is occupied by the vacuole.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 77. In plant cells, by-products of the metabolic pathways are stored in _____________
  1.    vacuole
  2.    mitochondrion
  3.    chloroplast
  4.    nucleus
 Discuss Question
Answer: Option A. -> vacuole
Answer: (a).vacuole
Question 78. Tonoplast is a ___________
  1.    membrane
  2.    toxic compound
  3.    sphingolipid
  4.    glycoprotein
 Discuss Question
Answer: Option A. -> membrane
Answer: (a).membrane
Question 79. Which of the following is a toxic by-product stored in the plant cell vacuole that is clinical importance?
  1.    oxytocin
  2.    sialic acid
  3.    digitalis
  4.    tonoplast
 Discuss Question
Answer: Option C. -> digitalis
Answer: (c).digitalis
Question 80. Water enters the vacuole by ____________
  1.    reverse osmosis
  2.    osmosis
  3.    active diffusion
  4.    passive diffusion
 Discuss Question
Answer: Option B. -> osmosis
Answer: (b).osmosis

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