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MCQs

General Biology

Total Questions : 1232 | Page 122 of 124 pages
Question 1211. For excretion, animals with impermeable skin use
  1.    simple diffusion process
  2.    produce concentration gradient
  3.    special excretory glands
  4.    special excretory organs
 Discuss Question
Answer: Option D. -> special excretory organs
Answer: (d).special excretory organs
Question 1212. According to surveys, most young people smoke in order to
  1.    overcome jealousy
  2.    cover for their failures and weaknesses
  3.    give an impression of adulthood and maturity
  4.    give an impression of happiness and success
 Discuss Question
Answer: Option B. -> cover for their failures and weaknesses
Answer: (b).cover for their failures and weaknesses
Question 1213. Trophic level refers to the
  1.    axis around the earth
  2.    stage in an ecological niche
  3.    stage in a food chain
  4.    energy level in a food web
 Discuss Question
Answer: Option C. -> stage in a food chain
Answer: (c).stage in a food chain
Question 1214. Urine is formed in
  1.    cortex
  2.    medulla
  3.    renal pelvis
  4.    nephrons
 Discuss Question
Answer: Option D. -> nephrons
Answer: (d).nephrons
Question 1215. Before excretion, the urine is stored in
  1.    urinary bladder
  2.    medulla
  3.    nephrons
  4.    renal pelvis
 Discuss Question
Answer: Option A. -> urinary bladder
Answer: (a).urinary bladder
Question 1216. Any part of the Earth where life can exist is known as
  1.    populations
  2.    community
  3.    ecosystem
  4.    biosphere
 Discuss Question
Answer: Option D. -> biosphere
Answer: (d).biosphere
Question 1217. Number of pyramids in mammals can be up to
  1.    4 to 8
  2.    8 to 12
  3.    12 to 16
  4.    16 to 20
 Discuss Question
Answer: Option C. -> 12 to 16
Answer: (c).12 to 16
Question 1218. Pus is formed at the site of wound due to
  1.    dead phagocytes
  2.    pathogenic bacteria
  3.    granulocytes
  4.    both dead phagocytes and pathogenic bacteria
 Discuss Question
Answer: Option D. -> both dead phagocytes and pathogenic bacteria
Answer: (d).both dead phagocytes and pathogenic bacteria
Question 1219. Enzyme causing breakdown of sucrose into simple sugar (C₆H₁₂O₆) is
  1.    pepsin
  2.    protease
  3.    saliva amylase
  4.    sucrose
 Discuss Question
Answer: Option D. -> sucrose
Answer: (d).sucrose
Question 1220. All is true for Voodoo lily, but,
  1.    the flies stay away due to rotten fresh smell
  2.    its helps plant in reproduction
  3.    more smelling compounds are vaporized due to heat
  4.    insects are attracted for pollination
 Discuss Question
Answer: Option A. -> the flies stay away due to rotten fresh smell
Answer: (a).the flies stay away due to rotten fresh smell

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