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MCQs

Total Questions : 48 | Page 1 of 5 pages
Question 1. Which of the following structures is expected in a bacterium?
  1.    Nucleus
  2.    Plasma membrane
  3.    Golgi apparatus
  4.    Endoplasmic reticulum
 Discuss Question
Answer: Option B. -> Plasma membrane
Question 2. Which of the following two organelles look most alike structurally?
  1.    Nucleus and vesicle
  2.    Lysosome and chloroplast
  3.    Golgi apparatus and smooth endoplasmic reticulum ER
  4.    Vacuole and cytoskeleton
 Discuss Question
Answer: Option C. -> Golgi apparatus and smooth endoplasmic reticulum ER
Question 3. In terms of basic cell structure, what do an elephant and an oak tree have in common?
  1.    They both are eukaryotes
  2.    They both have mitochondria
  3.    They both have a cell nucleus
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 4. Where in a eukaryotic cell, DNA can be found?
  1.    Vacuole
  2.    Mitochondrion
  3.    Nucleus
  4.    Both (a) and (b)
 Discuss Question
Answer: Option D. -> Both (a) and (b)
Question 5. Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
  1.    Golgi apparatus
  2.    Lysosome
  3.    Mitochondrion
  4.    Endoplasmic reticulum
 Discuss Question
Answer: Option D. -> Endoplasmic reticulum
Question 6. Which of the following cell organelles are expected to be associated with motor proteins?
  1.    Vesicles
  2.    Smooth ER
  3.    Chloroplasts
  4.    Plasma membrane
 Discuss Question
Answer: Option A. -> Vesicles
Question 7. Microtubules, motor proteins, and actin filaments are all part of
  1.    the mechanism of photosynthesis that occurs in chloroplasts
  2.    the cytoskeleton of eukaryotic cells
  3.    the rough ER (endoplasmic reticulum) in prokaryotic cells
  4.    the process that moves small molecules across cell membranes
 Discuss Question
Answer: Option B. -> the cytoskeleton of eukaryotic cells
Question 8. Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization
  1.    makes each compartment nutritionally independent of all others
  2.    allows for specialization through merging of different tasks
  3.    reduces overall cell size
  4.    allows for specialization through the subdivision of particular tasks
 Discuss Question
Answer: Option D. -> allows for specialization through the subdivision of particular tasks
Question 9. A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely
  1.    the nuclear envelope
  2.    the mitochondrion
  3.    the cytoskeleton
  4.    the plasma membrane
 Discuss Question
Answer: Option A. -> the nuclear envelope
Question 10. An organism's first line of defense against attack by an invader such as a virus or bacterium is usually
  1.    to flee or hide
  2.    a nonspecific immune response
  3.    a specific immune response
  4.    its body wall
 Discuss Question
Answer: Option D. -> its body wall

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