Q. The hormone used as an oral contraceptive is:
1) Aldesterone
2) Cortisone
3) Progesterone
4) Testosterone
Q. Ethanol containing 5% water is known as:
1) Absolute alcohol
2) Dilute alcohol
3) Power alcohol
4) Rectified spirit
Q. The percentage of nitrogen present in ammonia sulphate is :
1) 18 %
2) 21 %
3) 25 %
4) 30.5 %
Q. Stains of rust on clothes can be removed by:
1) H2O2
2) Oxalic acid
3) Petrol
4) Alcohol
Q. Identify the odd term amongst the following group:
1) Coaxial cable
2) Optical fibre
3) Twisted pair wire
4) Microwaves
Q. Which of the following is an impact printer?
1) Daisy wheel printer
2) Ink-jet printer
3) Bubble-jet-printer
4) Laser printer
Q. What type of information system would be recognised by digital circuits?
1) Hexadecimal system
2) Binary system
3) Both hexadecimal and binary system
4) Only Roman system
Q. Communication satellite are used to:
1) Transmit communication signal only
2) Receive communication signal only
3) Receive and redirect communication signal
4) Provide information of natural resources only
Q. Steel is more elastic than rubber because it:
1) is harder than rubber
2) requires larger deforming force
3) is never deformed
4) is deformed very easily
Q. 'Farad' is the unit of:
1) Conductance
2) Capacitance
3) Inductance
4) Resistance
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