1.Which part of human body is first highly affected by nuclear radiation?
 A. Bone Marrow
 B. Eyes
 C. Lungs
 D. Skin
 
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2.The colour of cows milk is slightly yellow due to the presence of:
 A. Carotene
 B. Riboflavin
 C. Ribulose
 D. Xanthophyll
 
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3.German silver is an alloy of:
 A. Copper nickel and silver
 B. Silver copper and aluminum
 C. Zinc silver and copper
 D. Zinc copper and nickel
 
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4.Aspirin is chemically known as:
 A. Acetylsalicyclic acid
 B. Alkylsalicylic acid
 C. Hydroxysalicylate
 D. Methyl salicylate
 
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5.The best conductor of heat among the following is:
 A. Alcohol
 B. Ether
 C. Mercury
 D. Water
 
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6.The device which convert AC to DC is:
 A. Amplifier
 B. Dynamo
 C. Oscillator
 D. Rectifier
 
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7.The vitamin that helps in blood clotting is:
 A. Vitamin C
 B. Vitamin D
 C. Vitamin E
 D. Vitamin K
 
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8.Which cells in our body have the least regenerative power?
 A. Brain cells
 B. Bone cells
 C. Liver cells
 D. Mussle cells
 
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