Question # 1

"BAK" extension refers usually to what kindly of file?

Choose an answer

Backup file

Audio file

Board files

Division file

Potato is a modified form of

Choose an answer

Root

Sterm

Fruit

Leaf

Which lonian scientist introduced the sun-dual to the Greek world?

Choose an answer

Ptolemy

Diogenes

Empedicles

Anaximander

If the current and the voltage are out of phase by 90 degree, then the power is

Choose an answer

Minimum

Maximum

1.1 VI

Zero

Who established the tow different classes of stars?

Choose an answer

William Huggins

Jan Oort

Fred Hoyle

Walter Baade

Which scientist personally thanked when bubble proved him correct?

Choose an answer

Issac Newton

Albert Einstein

William Pickering

Harlow Shapley

Gene was first laboratory by:

Choose an answer

J.C. Bose

John Napier

Hargobind Khorane

John Napier

Ina refrigerator, cooling is produced by?

Choose an answer

The evaporation of a volatile liquid

The sudden expansion of a compressed gas

The ice which deposits on the freezer

None of the above

The interface between use and computer is

Choose an answer

Programming

Hardware

Memory

Process

Galaxies are usually classified on the basis of there

Choose an answer

Mass

Size

Shape

Any of these

Lube oil is used in diesel engines:

Choose an answer

To ignite

To cool the engine

To reduce friction

2 and 3 both

More Classes

Other Links

Everyday Science Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer