Cell Biotechnology MCQs | Page - 3

Dear candidates you will find MCQ questions of Cell Biotechnology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 100.64K Points
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Q. Cholera toxin increases cAMP levels by

  • (A) Modifying Gi protein
  • (B) Modifying Gs protein
  • (C) Binding to adenylate cyclase
  • (D) Activating cAMP phosphodiesterase
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Mr. Dubey • 100.64K Points
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Q. The genome is diploid at the end of which phases of a human mitotic cell cycle?

  • (A) G2 and S
  • (B) G1 and M
  • (C) M and S
  • (D) G1 and G2
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Mr. Dubey • 100.64K Points
Coach

Q. Gas vacuoles are present in

  • (A) Anabaena flos-aquae
  • (B) Bacillus subtilis
  • (C) Acanthurus nigrofuscus
  • (D) Mycobacterium tuberculosis
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Mr. Dubey • 100.64K Points
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Q. At what stage mitosis occurs in bacteria?

  • (A) Vegetative phase
  • (B) Reproductive phase
  • (C) Both A and B
  • (D) None of the above
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Mr. Dubey • 100.64K Points
Coach

Q. In the cell cycle of a typical eukaryote, the sequence of events operating at the time of cell division is

  • (A) S phase → G2 phase → G1 phase → M phase
  • (B) S phase → M phase → G1 phase → G2 phase
  • (C) S phase → G2 phase → M phase → G1 phase
  • (D) S phase → G1 phase → M phase → G2 phase
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Mr. Dubey • 100.64K Points
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Q. A metacentric chromosomes will appear at anaphase as

  • (A) L- shaped
  • (B) W-shaped
  • (C) V-shaped
  • (D) Y-shaped
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Mr. Dubey • 100.64K Points
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Q. Smooth endoplasmic reticulum synthesizes

  • (A) Carbohydrates
  • (B) Proteins
  • (C) Steroids and lipids
  • (D) All the above
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Mr. Dubey • 100.64K Points
Coach

Q. DNA synthesis in eukaryotes occurs during which phase of the mitotic cell cycle?

  • (A) M
  • (B) G1
  • (C) S
  • (D) G0
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Mr. Dubey • 100.64K Points
Coach

Q. Which one of the following statements regarding G proteins is incorrect?

  • (A) GDP is bound to G protein in the resting stage
  • (B) GTP bound α subunit cannot reassemble with by dimer
  • (C) All G proteins are trimeric
  • (D) Activation of G protein may result in activation or inhibition of the target enzymes
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