'ASTROSAT' is a satellite launched by ISRO for :

• Research on climate conditon
• Better Tele-communication
• Astronomy research
• None of these
Correct Option: C  [ Astronomy research ]

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The purest form of iron is

• White cast iron
• Grey cast iron
• Wrought iron
• Steel
Correct Option: C  [ Wrought iron ]

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Silviculture is the management of :

• Rivers
• Lakes
• Hills
• Forests
Correct Option: D  [ Forests ]

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The process in which living organisms are used to remove contaminants, pollution or other unwanted substances from soil or water is known as:

• Biotechnology
• bioremediation
• Biodegradation
• Biomagnification
Correct Option: B  [ bioremediation ]

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Magnetic effect of current gives rise to which force ?

• mechanical
• frictional
• spring
• gravitational
Correct Option: A  [ mechanical ]

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The gastric gland in the stomach produce an enzyme :

• Insulin
• Ptyalin
• Pepsin
• Trypsin
Correct Option: C  [ Pepsin ]

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Green Revolution is associated with:

• Agriculture
• Sericulture
• Fishery
• Cultivation of bees
Correct Option: A  [ Agriculture ]

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An endoscope is used by a physician to view the internal parts of a body organ. It is based on the principle of:

• refraction of light
• re?ection of light
• total internal re?ection of light
• dispersion of light
Correct Option: C  [ total internal re?ection of light ]

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Through the fused sodium chloride, electric current can pass out due to the presence of:

• Free electron
• Free ion
• Free molecule
• None of these
Correct Option: B  [ Free ion ]

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Pituitary gland is located in

• brain
• kidney
• liver
• intestine
Correct Option: A  [ brain ]

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