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MCQs

Total Questions : 339 | Page 30 of 34 pages
Question 291. Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types?
  1.    Shine-Dalgarno sequence
  2.    Signature sequence
  3.    Amino acid sequence
  4.    Signal sequence
 Discuss Question
Answer: Option B. -> Signature sequence
Question 292. In the three domain system of classification, the traditional bacteria are placed in the
  1.    none of these
  2.    archaea
  3.    eukarya
  4.    eubacteria
 Discuss Question
Answer: Option D. -> eubacteria
Question 293. One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?
  1.    Photoautotrophy
  2.    Chemoheterotrophy
  3.    All of these
  4.    Photoheterotrophy
 Discuss Question
Answer: Option C. -> All of these
Question 294. Which of the following is the most primitive?
  1.    Mitochondria
  2.    Eukaryote
  3.    Virus
  4.    Archaeon
 Discuss Question
Answer: Option D. -> Archaeon
Question 295. Which of the following is not found in the kingdom Monera?
  1.    Organized cell structure
  2.    Organelles
  3.    Ability to reproduce
  4.    Ability to use energy
 Discuss Question
Answer: Option B. -> Organelles
Question 296. Carl Woese and his colleague are best known for establishing
  1.    the three domain system
  2.    the plant-animal system
  3.    the prokaryote-eukaryote system
  4.    the five kingdom system
 Discuss Question
Answer: Option A. -> the three domain system
Question 297. Which cell type is considered to have the oldest ancestor?
  1.    Archaea
  2.    Bacteria
  3.    Eukarya
  4.    they all share the same ancestor
 Discuss Question
Answer: Option D. -> they all share the same ancestor
Question 298. Which of the following organelles contain DNA, divides and possesses some degree of autonomy?
  1.    Golgi apparatus
  2.    Peroxisomes
  3.    Ribosome
  4.    Chloroplast
 Discuss Question
Answer: Option D. -> Chloroplast
Question 299. What is Mycology?
  1.    Study of viruses
  2.    Study of nucleic acid
  3.    Study of fungi
  4.    Study of bacteria
 Discuss Question
Answer: Option C. -> Study of fungi
Question 300. All the following are considered eukaryotes except
  1.    protozoa
  2.    fungi
  3.    humans
  4.    archaea
 Discuss Question
Answer: Option D. -> archaea

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