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MCQs

Total Questions : 92 | Page 5 of 10 pages
Question 41. Respiration in fish is done by help of paired
  1.    fins
  2.    gills
  3.    operculum
  4.    bladder
 Discuss Question
Answer: Option B. -> gills
Answer: (b).gills
Question 42. Respiration is a/an
  1.    chemical process
  2.    mechanical process
  3.    electrical process
  4.    oxidation process
 Discuss Question
Answer: Option A. -> chemical process
Answer: (a).chemical process
Question 43. Tissue respiration is also referred as
  1.    internal respiration
  2.    external respiration
  3.    gaseous exchange
  4.    breathing
 Discuss Question
Answer: Option A. -> internal respiration
Answer: (a).internal respiration
Question 44. Scientifically, breathing is a/an
  1.    chemical process
  2.    biochemical process
  3.    thermal process
  4.    redox process
 Discuss Question
Answer: Option A. -> chemical process
Answer: (a).chemical process
Question 45. Specialized shoot bearing the reproductive organs in flowering plants is called as
  1.    branch
  2.    vegetative Bud
  3.    flower
  4.    Shoot apex
 Discuss Question
Answer: Option C. -> flower
Answer: (c).flower
Question 46. Depending upon how long a plant lives, the division can be based on
  1.    simple body or a complex body
  2.    being a woody or herbaceous
  3.    perennials or biennials
  4.    environmental factors
 Discuss Question
Answer: Option C. -> perennials or biennials
Answer: (c).perennials or biennials
Question 47. Breathing occurs due to
  1.    chemical process
  2.    muscular contractions and movements of ribs
  3.    oxidation of organic molecules to release energy and water
  4.    physical process
 Discuss Question
Answer: Option B. -> muscular contractions and movements of ribs
Answer: (b).muscular contractions and movements of ribs
Question 48. During inspiration volume of thorax will
  1.    Increase
  2.    Decrease
  3.    Equal
  4.    Balance
 Discuss Question
Answer: Option A. -> Increase
Answer: (a).Increase
Question 49. The ribs are attached to backbone
  1.    dorsally
  2.    ventrally
  3.    laterally
  4.    parallel
 Discuss Question
Answer: Option A. -> dorsally
Answer: (a).dorsally
Question 50. Carbon dioxide produced by tissue and cells when it diffuses into blood plasma is converted into
  1.    Ammonium ion
  2.    calcium
  3.    Hydrogen ion
  4.    Hydrogen carbonate
 Discuss Question
Answer: Option D. -> Hydrogen carbonate
Answer: (d).Hydrogen carbonate

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