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MCQs

Total Questions : 339 | Page 31 of 34 pages
Question 301. All of the following individuals contributed to cell theory except
  1.    Robert Hooke
  2.    Matthias Schleiden
  3.    Theodor Schwann
  4.    Rudolf Virchow
 Discuss Question
Answer: Option A. -> Robert Hooke
Question 302. Eukaryotic micro organisms include
  1.    protozoa
  2.    all of these
  3.    algae
  4.    fungi
 Discuss Question
Answer: Option B. -> all of these
Question 303. Which of the following is a characteristic unique to the ciliates?
  1.    Presence of both a macronucleus and several micronuclei
  2.    Use of cilia as a sensory function
  3.    Possess a light-detecting eye spot
  4.    Both (a) and (b)
 Discuss Question
Answer: Option D. -> Both (a) and (b)
Question 304. The word cell was first used by
  1.    Ronald Ross
  2.    Louis Pasteur
  3.    Robert Hooke
  4.    Theodor Schwann
 Discuss Question
Answer: Option C. -> Robert Hooke
Question 305. Which of the following structure is present in prokaryotic cells?
  1.    Chloroplasts
  2.    Mesosome
  3.    Mitochondria
  4.    Golgi structure
 Discuss Question
Answer: Option B. -> Mesosome
Question 306. The binomial name of a microbe is composed of
  1.    its kingdom and genus names
  2.    its family and class names
  3.    its genus name and a species modifier
  4.    its genus and species names
 Discuss Question
Answer: Option C. -> its genus name and a species modifier
Question 307. The endosymbiosis hypothesis provides an explanation for how
  1.    protozoa developed from algae
  2.    prokaryotes developed from eukaryotes
  3.    algae developed from protozoa
  4.    eukaryotes developed from prokayotes
 Discuss Question
Answer: Option D. -> eukaryotes developed from prokayotes
Question 308. What are Blue-Green bacteria called?
  1.    Acquaobacteria
  2.    None of these
  3.    Protozoa
  4.    Cyanobacteria
 Discuss Question
Answer: Option D. -> Cyanobacteria
Question 309. The Archaea include all of the following except
  1.    cyanobacteria
  2.    methanogens
  3.    thermoacidophiles
  4.    halophiles
 Discuss Question
Answer: Option A. -> cyanobacteria
Question 310. A major difference between EHEC and EPEC is
  1.    EPEC rearranges host cell actin and EHEC does not
  2.    EHEC secretes a Shiga-like toxin and EPEC does not
  3.    EHEC possesses a type III secretion system and EPEC does not
  4.    EPEC passes through the placenta to infect the fetus and EHEC does not
 Discuss Question
Answer: Option B. -> EHEC secretes a Shiga-like toxin and EPEC does not

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