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MCQs

Total Questions : 92 | Page 8 of 10 pages
Question 71. When the blood passes through oxygen poor tissues oxygen will be
  1.    Released
  2.    Consumed
  3.    Absorbed
  4.    Increase
 Discuss Question
Answer: Option A. -> Released
Answer: (a).Released
Question 72. The mucous membrane within nostrils keeps the air
  1.    warm
  2.    moist
  3.    dry
  4.    cold
 Discuss Question
Answer: Option B. -> moist
Answer: (b).moist
Question 73. In green plants gaseous exchange occurs through diffusion as they have
  1.    Small surface area
  2.    large surface area
  3.    Exposed surface area
  4.    warm surface area
 Discuss Question
Answer: Option B. -> large surface area
Answer: (b).large surface area
Question 74. Respiration cause dry mass to
  1.    Increase
  2.    Loss
  3.    Absorb
  4.    Double
 Discuss Question
Answer: Option B. -> Loss
Answer: (b).Loss
Question 75. The amount of water vapours in inspired is
  1.    more
  2.    Less
  3.    Equal
  4.    Moderate
 Discuss Question
Answer: Option B. -> Less
Answer: (b).Less
Question 76. Lenticels (water proof layer) are formed in the
  1.    Stem
  2.    Root
  3.    Cork
  4.    Cuticle
 Discuss Question
Answer: Option C. -> Cork
Answer: (c).Cork
Question 77. In mammals, the product of anaerobic respiration is
  1.    Ethanol
  2.    Alcohol
  3.    Lactic acid
  4.    Follic acid
 Discuss Question
Answer: Option C. -> Lactic acid
Answer: (c).Lactic acid
Question 78. RuBP is a molecule which act as a/an
  1.    donator
  2.    acceptor
  3.    transporter
  4.    medium
 Discuss Question
Answer: Option B. -> acceptor
Answer: (b).acceptor
Question 79. Exchange of gases in respiration is only done by
  1.    osmosis
  2.    diffusion
  3.    transport
  4.    movement
 Discuss Question
Answer: Option B. -> diffusion
Answer: (b).diffusion
Question 80. Subdivision of tracheae into fine thin wall tubules which are called
  1.    Rosaceae
  2.    Poaceae
  3.    Solanaceae
  4.    Acacia
 Discuss Question
Answer: Option A. -> Rosaceae
Answer: (a).Rosaceae

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