GK and Current Affairs For Olympiad Class-8 Test Prep-1

Test Preparation on GK and Current Affairs For Olympiad Class-8 Test Prep-1

1.

Which instrument is used for measuring humidity in air?

1Hydrometer
2Hygrometer
3Spectrometer
4Eudiometer

2.

The __________ controls how often the computer executes a task.

1CPU
2Bus
3Clock
4RAM

3.

The __________ bus is used to connect Macintosh keyboards and mouse.

1USB
2Fire wire
3SCSI
4ISA

4.

Assertion (A) - The Weight of human being on the moon is 1/6 in comparison to earth.
Reason (R) – The moon does not have gravity like earth.
Select the answer from following codes-

1Both A and R are true and R is the correct explanation of A.
2Both A and R are true, but R is not the correct explanation of A.
3A is true, but R is false.
4A is false, but R is true.

5.

Diameter of white blood corpuscles in human body is, about:

10.007mm
20.7mm
30.07mm
40.0007mm

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