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MCQs

General Biology

Total Questions : 1232 | Page 120 of 124 pages
Question 1191. In context to ecology ,hydrophytes may be
  1.    partially submerged
  2.    fully submerged
  3.    free floating
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 1192. In which category does nicotine (C₁₀H₁₄N₂) lies
  1.    socially accepted drug
  2.    abusive drug
  3.    traditional medicine
  4.    recent medicinal discover
 Discuss Question
Answer: Option B. -> abusive drug
Answer: (b).abusive drug
Question 1193. Due to osmotic problems in freshwater bony fish, kidneys have to
  1.    produce concentrated urine
  2.    reabsorb water
  3.    produce dilute urine
  4.    release water
 Discuss Question
Answer: Option C. -> produce dilute urine
Answer: (c).produce dilute urine
Question 1194. Long term effect of alcohol disturbs the
  1.    nervous system
  2.    digestive system
  3.    cardio-vascular system
  4.    respiratory system
 Discuss Question
Answer: Option B. -> digestive system
Answer: (b).digestive system
Question 1195. Prolonged alcohol (CₙH₂ₙ₊₁OH) consumption results in
  1.    overcoming fatigue
  2.    causing loss of appetite
  3.    cirrhosis
  4.    gastric ulcers
 Discuss Question
Answer: Option C. -> cirrhosis
Answer: (c).cirrhosis
Question 1196. Organisms capable to convert radiant energy in chemical energy are
  1.    plants
  2.    animals
  3.    Microbes
  4.    bacterias
 Discuss Question
Answer: Option A. -> plants
Answer: (a).plants
Question 1197. Outcomes of long term alcohol (CₙH₂ₙ₊₁OH) consumption includes
  1.    liver cirrhosis only
  2.    gastric ulcers only
  3.    intestinal injuries
  4.    liver cirrhosis and gastric ulcers
 Discuss Question
Answer: Option D. -> liver cirrhosis and gastric ulcers
Answer: (d).liver cirrhosis and gastric ulcers
Question 1198. In any ecosystem, the ultimate source of energy is
  1.    plants as primary consumers
  2.    sun as radiant energy
  3.    secondary consumer
  4.    heterotroph
 Discuss Question
Answer: Option B. -> sun as radiant energy
Answer: (b).sun as radiant energy
Question 1199. If heat loss center is activated in hypothalamus, the control mechanism include all, but
  1.    vasodilation
  2.    rapid breathing
  3.    lower metabolic activity
  4.    lesser convection
 Discuss Question
Answer: Option D. -> lesser convection
Answer: (d).lesser convection
Question 1200. An increase in water potential refers to
  1.    more osmotic pressure
  2.    a drop in osmotic pressure
  3.    more active transport
  4.    excessive selective reabsorption
 Discuss Question
Answer: Option B. -> a drop in osmotic pressure
Answer: (b).a drop in osmotic pressure

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