841. What causes mumps?
A. Fungus
B. Bacterium
C. Deficiency of vitamins
D. Virus

842. In the treatment of which disease is dialysis used?
A. Ulcers
B. Heart failure
C. Kidney failure
D. Brain tumour

843. Which natural element has the highest melting point?
A. Iron
B. Tungsten
C. Copper
D. Silver

844. Which is the hardest substance in the human body?
A. Tooth enamel
B. Skull
C. Knee cap
D. Rib

845. Which of the following is not a mammal?
A. Fish
B. Cow
C. Goat
D. Whale

846. Which Organ is affected by trachoma?
A. Liver
B. Lungs
C. Eyes
D. Brain

847. Which vitamin is available to the human body through sun bathing?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin B12

848. The study of rearing fine and intelligent human beings through genetics is called__________?
A. Eugenics
B. Biotechnology
C. Cloning
D. Geneology

849. Name the drugs which block the sensory nerves and prevent the patient from feeling pain?
A. Analgesics
B. Antibiotics
C. Antihistamines
D. Anaesthetics

850. Inside which organ is the gallbladder located?
A. Pancreas
B. Liver
C. Kidney
D. Small intestine

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