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MCQs

Total Questions : 91 | Page 2 of 10 pages
Question 11. In order to carryout metabolic reactions membranes contain
  1.    enzymes
  2.    coenzymes
  3.    both a and b
  4.    Lipid
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 12. Fluid mosaic model was presented in
  1.    1980
  2.    1978
  3.    1972
  4.    1973
 Discuss Question
Answer: Option C. -> 1972
Answer: (c).1972
Question 13. If the concentration of solute is same inside as well as outside the cell than it is known as
  1.    hypertonic solution
  2.    isotonic solution
  3.    hypotonic solution
  4.    concentrated solution
 Discuss Question
Answer: Option B. -> isotonic solution
Answer: (b).isotonic solution
Question 14. The receptor site of cell is
  1.    glycolipids
  2.    glycoproteins
  3.    both a and b
  4.    Carbs solely
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 15. The type of diffusion in which the molecules move from higher concentration to lower concentration is called
  1.    osmosis
  2.    intracellular diffusion
  3.    lateral diffusion
  4.    flip flop
 Discuss Question
Answer: Option A. -> osmosis
Answer: (a).osmosis
Question 16. The specific molecules that bind to receptors are _____________
  1.    Ligands
  2.    Co-enzymes
  3.    Substrates
  4.    Enzymes
 Discuss Question
Answer: Option A. -> Ligands
Answer: (a).Ligands
Question 17. Which material was used by Overton in his experiments to conclude the lipid nature of plasma membrane?
  1.    bacteria
  2.    yeast
  3.    plant root hair
  4.    animal root hair
 Discuss Question
Answer: Option C. -> plant root hair
Answer: (c).plant root hair
Question 18. The fluid mosaic model was proposed in the year __________
  1.    1942
  2.    1972
  3.    2002
  4.    1872
 Discuss Question
Answer: Option B. -> 1972
Answer: (b).1972
Question 19. Energy transduction is the underlying process of which of the following?
  1.    DNA
  2.    Transcription
  3.    Translation
  4.    Photosynthesis
 Discuss Question
Answer: Option D. -> Photosynthesis
Answer: (d).Photosynthesis
Question 20. The first insights into the chemical nature of plasma membranes date back to __________
  1.    1700
  2.    1790
  3.    1800
  4.    1890
 Discuss Question
Answer: Option D. -> 1890
Answer: (d).1890

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