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MCQs

Total Questions : 186 | Page 7 of 19 pages
Question 61. Planarian excretory system is
  1.    protonephridium
  2.    metanephridium
  3.    Malphigian tubules
  4.    etanephridium
 Discuss Question
Answer: Option A. -> protonephridium
Answer: (a).protonephridium
Question 62. Animals which do not require to adjust osmotic state with respect to their external environment, are termed as
  1.    osmoregulators
  2.    osmoconformers
  3.    thermoregulators
  4.    thermoconformers
 Discuss Question
Answer: Option B. -> osmoconformers
Answer: (b).osmoconformers
Question 63. Bats and humming birds are
  1.    endotherms
  2.    ectotherms
  3.    heterotherms
  4.    hypotherms
 Discuss Question
Answer: Option C. -> heterotherms
Answer: (c).heterotherms
Question 64. Harmful chemicals and toxins are disposed off from body by help of
  1.    lungs
  2.    kidneys
  3.    liver
  4.    All of the Above
 Discuss Question
Answer: Option C. -> liver
Answer: (c).liver
Question 65. An animal which can survive in drastic conditions of desert by feeding on seeds of plants containing more carbohydrates is
  1.    camel
  2.    Scorpio
  3.    kangaroo rat
  4.    None of the Above
 Discuss Question
Answer: Option C. -> kangaroo rat
Answer: (c).kangaroo rat
Question 66. Amoeba and paramecium possess a specialized structures for removing water from body, called as
  1.    contractile vacuoles
  2.    flagella
  3.    pseudopodia
  4.    ligament
 Discuss Question
Answer: Option A. -> contractile vacuoles
Answer: (a).contractile vacuoles
Question 67. System which is responsible for detecting change and signaling control system is called
  1.    control system
  2.    feedback mechanism
  3.    osmoregulation
  4.    thermoregulation
 Discuss Question
Answer: Option B. -> feedback mechanism
Answer: (b).feedback mechanism
Question 68. Skull is made up of
  1.    cranium
  2.    facial bones
  3.    cartilage
  4.    Both a and b
 Discuss Question
Answer: Option C. -> cartilage
Answer: (c).cartilage
Question 69. Presence of metabolic waste in body can cause serious hazards hence they should be
  1.    retained
  2.    consumed
  3.    eliminated
  4.    recycled
 Discuss Question
Answer: Option C. -> eliminated
Answer: (c).eliminated
Question 70. Homeostasis contributes in evolutionary process by compelling
  1.    adaptations
  2.    regeneration
  3.    erosion
  4.    fluctuations
 Discuss Question
Answer: Option A. -> adaptations
Answer: (a).adaptations

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