# PCM Test Quiz: 8th Grade!

10 Questions | Total Attempts: 4245  Settings Create your own Quiz Are you really prepared for the exam or proficient in Physics, Chemistry or Maths? If yes, then do attempt the quiz to test where you stand. This quiz has been designed for 8th-grade students to test their knowledge about Physics, Chemistry, and Maths Concepts, which they usually study in the classroom. There is a set of 10 basic questions from all three subjects. Take this short quiz and prove your worth.

• 1.
In quadrilateral ABCD, BM and DN are drawn perpendicular to AC such that BM = DN. If BR = 8cm, then BD is
• A.

4 cm

• B.

2 cm

• C.

12 cm

• D.

16 cm

• 2.
If p and q are two co-prime numbers then their H.C.F. is equal to:
• A.

P

• B.

Q

• C.

1

• D.

Pq

• 3.
The ratio of the area of a square to that of the square drawn on its diagonal is:
• A.

1 : 1

• B.

1 : 2

• C.

1 : 3

• D.

1 : 4

• 4.
If the area of the square is 72 sq. units. What is the length of its diagonal?
• A.

12 Units

• B.

13 Units

• C.

14 Units

• D.

None of these

• 5.
If a body starts from a point and returns back to the same point, then it:
• A.

Average velocity is zero but not average speed

• B.

Average speed is zero but not average velocity

• C.

Both average speed and velocity are zero

• D.

None of these

• 6.
If a body moves with a constant velocity, then:
• A.

Its acceleration is positive

• B.

Its acceleration is negative

• C.

Its acceleration is zero

• D.

Its speed is zero

• 7.
Which one of the following is not a vector quantity?
• A.

Velocity

• B.

Acceleration

• C.

Kinetic energy

• D.

Force

• 8.
The number of electrons present in an atom denotes:
• A.

Mass number

• B.

Atomic number

• C.

Abundance

• D.

Reactivity

• 9.
The term nucleons represent:
• A.

Protons

• B.

Neutrons

• C.

Protons and neutrons

• D.

Electrons

• 10.
Qualitative meaning of a formula:
• A.

Tells about the name of the compound

• B.

Represents one molecule of the compound

• C.

Both a & b

• D.

Tells about the quality of the compound

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