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MCQs

Total Questions : 74 | Page 3 of 8 pages
Question 21. When does neuralation occur?
  1.    1st week
  2.    2nd week
  3.    3rd week
  4.    4th week
 Discuss Question
Answer: Option C. -> 3rd week
Answer: (c).3rd week
Question 22. The first truly vertebrate development is marked by the formation of ________
  1.    Notochord
  2.    Neural crest
  3.    Primitive streak
  4.    Coccyx
 Discuss Question
Answer: Option B. -> Neural crest
Answer: (b).Neural crest
Question 23. The segmented blocks of tissue that develop on each side of notochord are called as _______
  1.    Somites
  2.    Neural tube
  3.    Neural crest
  4.    Adrenal medulla
 Discuss Question
Answer: Option A. -> Somites
Answer: (a).Somites
Question 24. Formation of primitive streak marks the beginning of ____________
  1.    neuraltion
  2.    gastrulation
  3.    folding
  4.    notochord formation
 Discuss Question
Answer: Option B. -> gastrulation
Answer: (b).gastrulation
Question 25. Centromere is required for _________
  1.    Transcription
  2.    Crossing over
  3.    Movement of chromosomes towards poles
  4.    Cleavage
 Discuss Question
Answer: Option C. -> Movement of chromosomes towards poles
Answer: (c).Movement of chromosomes towards poles
Question 26. Polytene chromosomes are formed due to _____________
  1.    Endomitosis
  2.    Meiosis
  3.    Mitosis
  4.    Endomixis
 Discuss Question
Answer: Option A. -> Endomitosis
Answer: (a).Endomitosis
Question 27. Cell membrane is ___________
  1.    Semi permeable
  2.    Permeable
  3.    Selectively permeable
  4.    Impermeable
 Discuss Question
Answer: Option A. -> Semi permeable
Answer: (a).Semi permeable
Question 28. Which of the following does not have a membrane?
  1.    Ribosome
  2.    Mitochondria
  3.    Nucleus
  4.    Chloroplast
 Discuss Question
Answer: Option A. -> Ribosome
Answer: (a).Ribosome
Question 29. Racker’s particles occur in _________
  1.    Mitochondria
  2.    Nucleus
  3.    Chromosome
  4.    Golgi complex
 Discuss Question
Answer: Option A. -> Mitochondria
Answer: (a).Mitochondria
Question 30. Cell theory was proposed by ____________
  1.    Virchow
  2.    Robert Hooke
  3.    McClintock
  4.    Schleiden and Schwann
 Discuss Question
Answer: Option D. -> Schleiden and Schwann
Answer: (d).Schleiden and Schwann

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