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MCQs

General Biology

Total Questions : 1232 | Page 6 of 124 pages
Question 51. Large intake of water
  1.    decreases osmotic pressure in plasma
  2.    stimulates active production of ADH
  3.    produces lesser urine
  4.    causes excess selective reabsorption
 Discuss Question
Answer: Option A. -> decreases osmotic pressure in plasma
Answer: (a).decreases osmotic pressure in plasma
Question 52. Amount of ADH (Antidiuretic Hormone) secreted determines amount of
  1.    nutrients reabsorbed
  2.    water reabsorbed
  3.    water excreted
  4.    food injested
 Discuss Question
Answer: Option B. -> water reabsorbed
Answer: (b).water reabsorbed
Question 53. Hangover results in
  1.    shaking of limbs
  2.    more urine passed out
  3.    lesser desire to drink water
  4.    a very pleasurable feeling
 Discuss Question
Answer: Option A. -> shaking of limbs
Answer: (a).shaking of limbs
Question 54. Lactose (C₁₂H₂₂O₁₁) can by hydrolyzed in glucose (C₆H₁₂O₆) and galactose (C₆H₁₂O₆) in the presence of enzyme
  1.    lactase
  2.    maltase
  3.    sucrose
  4.    lipases
 Discuss Question
Answer: Option A. -> lactase
Answer: (a).lactase
Question 55. Loss of water during sweating stimulates
  1.    production of ADH
  2.    lesser reabsorption of water
  3.    lower osmotic pressure in plasma
  4.    release of adrenaline
 Discuss Question
Answer: Option A. -> production of ADH
Answer: (a).production of ADH
Question 56. Nature of Chyme is
  1.    acidic
  2.    alkaline
  3.    neutral
  4.    depends upon the type of food eaten
 Discuss Question
Answer: Option A. -> acidic
Answer: (a).acidic
Question 57. Rich source of vitamins include
  1.    fresh raw vegetables
  2.    fresh boiled vegetables
  3.    fried potatoes
  4.    processed cheese
 Discuss Question
Answer: Option A. -> fresh raw vegetables
Answer: (a).fresh raw vegetables
Question 58. Fish can come to the surface of the water for air-breathing in waters of
  1.    low oxygen concentration
  2.    high oxygen concentration
  3.    low hydrogen concentration
  4.    high hydrogen concentration
 Discuss Question
Answer: Option A. -> low oxygen concentration
Answer: (a).low oxygen concentration
Question 59. Most of the co-enzymes are
  1.    protein based
  2.    water based
  3.    easily denatured
  4.    non-protein based
 Discuss Question
Answer: Option D. -> non-protein based
Answer: (d).non-protein based
Question 60. Desertification is caused due to
  1.    overgrazing
  2.    topsoil is eroded
  3.    rapid water evaporation from the soil
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above

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