Which of the following is not a greenhouse gas ? (a) Carbon dioxide (b) Sulphur dioxide (c) Methane (d) Nitrogen
Which of the following cannot be charged easily by friction ? a) A plastic Scale b) A Copper rod c) An inflated balloon d) A Woollen cloth.
Voice of which of the following is likely to have minimum frequency ? a) Baby girl b) Baby boy c) A man d) A woman
A tadpole devlops into an adult frog by the process of a) fertilisation b) metamorphosis c) embedding d) budding
The most common carrier of communicable disease is a) ant b) housefly c) dragonfly d) spider
It is dangerous to burn coal in a closed room. which gas is produced in above situation due to which the person sleeping in the room could be killed . a) Nitrogen b) Carbon monoxide c) Carbon dioxide d) oxygen
What type of record is kept by red data book ? a) Extinct animals b) Endangered species c) Dead animals d) Red coloured animals
Which of the following is NOT a planet of the sun ? a) Sirius b) Mercury c) Saturn d) Earth
Which part of cell contains organelles? a) cytoplasm b) vacuoles c) Nucleus d) Plastids
The process of conversion of sugar into alcohol is called. a) Nitrogen fixation b) moulding c) fermentation d) infection
In which substance, the sodium and potassium are stored, so that they wouldn’t catch fire. a) Water b) Kerosine oil c) musturd powder d) soil, sand
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