Q: Light Year is a unit of

A: Distance


Q: The pH of human blood is:

A: 7.4


Q: The red planet is

A: Mars


Q: RADAR is used for

A: detecting and locating the position of objects such as aeroplane


Q: Shadows are formed when a __________ object comes in the path of light.

A: Opaque


Q: Which among the following is respiratory pigment in human beings?

A: Haemoglobin


Q: Where is 'Dakshin Gangotri' located ?

A: Antarctica


Q: Olive ridley is related to:

A: turtle


Q: The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organism is:

A: 4-6


Q: What is the unit for measuring the intensity of sound ?

A: Decibel

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