Biology MCQs

31. 12 pairs of cranial nerves are present in which of the following?
[A] Reptilia
[B] Birds only
[C] Mammals only
[D] All the above

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32. The supportive skeletal structures in the human external ears and in the nose tip are examples of __.
[A] Ligament
[B] Bone
[C] Areolar tissue
[D] Cartilage

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33. Which of the following are erythrocytes?
[A] White blood cells
[B] Red blood cells
[C] Platelets
[D] All of the above

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34. The human urinary bladder can hold up to ___ml of urine
[A] 400 ml
[B] 600 ml
[C] 800 ml
[D] 1000 ml

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35. Chemical digestion of food occurs by biological catalysts __
[A] enzymes
[B] villi
[C] glycogen
[D] egestion

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36. Cirrhosis is a liver disease described by the abnormal structure and functioning of the liver. This is mainly diagnosed by __.
[A] Blood Test
[B] Liver biopsy
[C] Physical examination
[D] All of the above

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37. Tetanus is caused by which of the following causative agent?
[A] Vibrio cholerae
[B] Corynebacterium diptheriae
[C] Treponema pallidum
[D] Clostridium tetani

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38. What are the symptoms of malaria?
[A] fever and flu-like illness
[B] including shaking chills
[C] muscle aches
[D] All of the above

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39. In patients with hemophilia, which of these can increase the risk of cerebral microbleeds?
[A] cardiovascular risk factors
[B] increased age
[C] Hepatitis C infection
[D] All of the above

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40. Syphilis is a bacterial infection usually spread by __
[A] Sexual contact
[B] Wound infection
[C] Air-borne droplets
[D] None of these

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