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MCQs

Total Questions : 186 | Page 11 of 19 pages
Question 101. In cockroach, rectum reabsorbs maximum salts and water hence excretory products are in form of
  1.    urea
  2.    uric acid
  3.    ammonia
  4.    urine
 Discuss Question
Answer: Option B. -> uric acid
Answer: (b).uric acid
Question 102. Urea cycle needs two molecules of ammonia and one molecule of carbon dioxide to generate one molecule of
  1.    uric acid
  2.    urea
  3.    ammonia
  4.    urine
 Discuss Question
Answer: Option B. -> urea
Answer: (b).urea
Question 103. Animals have basic instinct to control heat gain by adjusting their
  1.    thermostat
  2.    posture
  3.    temperature
  4.    respiration
 Discuss Question
Answer: Option B. -> posture
Answer: (b).posture
Question 104. Elevated levels of nitrogenous wastes can lead to
  1.    convulsions
  2.    coma
  3.    death
  4.    All of the Above
 Discuss Question
Answer: Option D. -> All of the Above
Answer: (d).All of the Above
Question 105. Animal which uses saliva and urine for cooling is
  1.    lizard
  2.    cats
  3.    bears
  4.    bats
 Discuss Question
Answer: Option D. -> bats
Answer: (d).bats
Question 106. Gardener find Autumn fallen leaves due to presence of good
  1.    minerals
  2.    chlorophyll
  3.    salts
  4.    sugars
 Discuss Question
Answer: Option A. -> minerals
Answer: (a).minerals
Question 107. Inner semi fluid of invertebral disc is
  1.    nucleus pulposus
  2.    annulus fibrosus
  3.    ileum fibrosus
  4.    cytoplasmic polposus
 Discuss Question
Answer: Option A. -> nucleus pulposus
Answer: (a).nucleus pulposus
Question 108. Tubular system opens to exterior through several
  1.    nephridiophore
  2.    nephrostome
  3.    protonephridium
  4.    protophrostome
 Discuss Question
Answer: Option A. -> nephridiophore
Answer: (a).nephridiophore
Question 109. There is a thick layer of insulating fat in whales and seals which protects them from colder water, this layer is known as
  1.    brown fat
  2.    cuticle
  3.    blubber
  4.    integument
 Discuss Question
Answer: Option C. -> blubber
Answer: (c).blubber
Question 110. Freezing temperatures form ice crystals within protoplasm, perforates membranes and organelles, eventually cell is
  1.    regenerated
  2.    killed
  3.    phagocytosed
  4.    plasmolysed
 Discuss Question
Answer: Option B. -> killed
Answer: (b).killed

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