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MCQs

Total Questions : 67 | Page 1 of 7 pages
Question 1. Flagellates rely on dead or decomposing organic matter to obtain its
  1.    food
  2.    air
  3.    water
  4.    transport
 Discuss Question
Answer: Option A. -> food
Answer: (a).food
Question 2. Bacterial membrane is deprived of
  1.    enzymes
  2.    sterols
  3.    proteins
  4.    sugar
 Discuss Question
Answer: Option B. -> sterols
Answer: (b).sterols
Question 3. A huge bacterium has been discovered in intestine of brown surgeonfish and its size grow as large as 600µm by
  1.    60µm
  2.    80µm
  3.    40µm
  4.    20µm
 Discuss Question
Answer: Option B. -> 80µm
Answer: (b).80µm
Question 4. Cyanobacteria use accessory pigments called
  1.    glycogen
  2.    phycobilins
  3.    trichomes
  4.    vibrio
 Discuss Question
Answer: Option B. -> phycobilins
Answer: (b).phycobilins
Question 5. Example of bacteria which can be used as a pollution indicator is
  1.    oscillatoria
  2.    baccilatoria
  3.    streptolatoria
  4.    streptococcus
 Discuss Question
Answer: Option A. -> oscillatoria
Answer: (a).oscillatoria
Question 6. Transfer of genes from one species to another can be studied through
  1.    bacteria
  2.    vectors
  3.    fungi
  4.    algae
 Discuss Question
Answer: Option B. -> vectors
Answer: (b).vectors
Question 7. Due to lack of protoplasm, these are not considered cells
  1.    bacteria
  2.    virus
  3.    fungi
  4.    algae
 Discuss Question
Answer: Option B. -> virus
Answer: (b).virus
Question 8. Viruses are not considered cells because they
  1.    cannot divide
  2.    do not have a nucleus
  3.    do not have a protoplasm
  4.    are non-living things
 Discuss Question
Answer: Option C. -> do not have a protoplasm
Answer: (c).do not have a protoplasm
Question 9. Outside the host cells, viruses do not
  1.    replicate
  2.    feed
  3.    respire
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 10. Viruses only replicate and divide
  1.    when they are on bread
  2.    when they are in an environment they can find a host cells
  3.    when once they are inside the host cell
  4.    in night
 Discuss Question
Answer: Option C. -> when once they are inside the host cell
Answer: (c).when once they are inside the host cell

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