Q: The waves which can propagate even through the vacuum,are called __________.

A: Electromagnetic waves


Q: Which of the following compounds is used in fire extinguishers ?

A: Sodium bicarbonate


Q: The location of where an organism lives would be best described as its:

A: habitat


Q: Sericuluture is a rearing practice of :

A: Silk worm


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

A: Decibel


Q: Which of the following can cause depletion of Ozone layer ?

A: Aerosols


Q: "Seahorse" is a:

A: Fish


Q: Xylem helps in transportation of which of the following?

A: water


Q: The age Of trees is determined by its

A: growth rings


Q: Which of the following animals is carnivorous?

A: Tiger
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