Systolic pressure is:
Instrument used to measure the pressure of gases :
Which one of the following is not a non-conventional energy source?
Typhoid fever is caused by :
Which part does not need oil as lubricant :
Cylinder of typewriter covered by :
How many types of stencil papers are available?
Which of the following is a mixed fertiliser?
The element which is rich in most leafy vegetables is:
Polio is caused by: