___________ is a mammal who fly?

A). Ostrich
B). Bat
C). Peacock
D). None of these

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Which of the following is the lightest substance?

A). Uranium
B). Hydrogen
C). Oxygen
D). Nitrogen

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For galvanizing of iron which of the following metals is used?

A) Aluminum
B). Copper
C). Zinc
D). Lead

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Crude Oil is heated in the furnace up to _________?

A). 300°C
B). 350°C
C). 400°C
D). 450°C

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Inflammation of liver is caused by____________?

A). Cholera
B). Hepatitis
C). Typhoid
D). Jaundice

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Speed of sound in air is _______km/h?

A). 1347
B). 243
C). 1235
D). 1495

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What is the percentage of water present in our brain?

A). 85%
B). 95%
C). 97%
D). 73%

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Identify the blackest fish in the oceans?

A). Black Seafish
B). Black Dragon fish
C). Black Sea Horse
D). Black Gillfish

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Sensory neurons carry message towards ?

A). Muscle
B). Muscles and Glands
C). Sense and Organs
D). Brain and Spinal Cord 

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The apart of neuron which receives message are__________?

A). Cell Bodies
B). Axons
C). Nuclei
D). Dendrites