9th CBSE Live quiz 15/08/2021

1.

Multiple Choice

30 sec

1 pt

A mixture of sulphur and carbon disulphide is

Heterogeneous and shows Tyndall effect.

Homogeneous and shows Tyndall effect.

Heterogeneous and does not show Tyndall effect.

Homogeneous and does not show Tyndall effect.

2.

Multiple Choice

30 sec

1 pt

Blood and seawater are ?

Both mixtures

They are compounds.

Blood is a mixture whereas sea water is a compound.

Blood is a compound and sea water is a mixture.

3.

Multiple Choice

30 sec

1 pt

In a water-sugar solution

Water is solute and sugar is solvent

Water is solvent and sugar is solute

Water is solute and water is also solvent

None of these

4.

Multiple Choice

30 sec

1 pt

Which of the following methods would you use to separate cream from milk?

Fractional distillation

Distillation

Centrifugation

Filtration

5.

Multiple Choice

30 sec

1 pt

Mercury and bromine are both ?

Liquid at room temperature

Solid at room temperature

Gases at room temperature

Both (a) and (b)

6.

Multiple Choice

30 sec

1 pt

A car travels a distance of 500 km in 10 hours. What is its speed in km/hr?

50 km/hr

60 km/hr

70 km/hr

80 km/hr

7.

Multiple Choice

30 sec

1 pt

If you whirl a stone at the end of a string and the string suddenly breaks, the stone will ?

Fly off the tangent of the circular path

Fly towards you

Fly away from you

None Of these

8.

Multiple Choice

30 sec

1 pt

For a Body performing uniform motion with uniform speed the distance time graph is ?

Straight Line Parallel to Y-Axis

Straight Line inclined to time axis

Straight line parallel to X-Axis

None of the above

9.

Multiple Choice

30 sec

1 pt

The Ratio of CGS to MKS unit of acceleration is?

1:10

1:1

1:100

10:1

10.

Multiple Choice

30 sec

1 pt

Which of the following is most likely not a case of uniform circular motion?

Motion of the earth around the sun

Motion of a toy train on a circular track

Motion of a racing car on a circular track

Motion of hours’ hand on the dial of a clock

11.

Multiple Choice

30 sec

1 pt

Which of these is not related to endoplasmic reticulum?

It behaves as a transport channel for proteins between nucleus and cytoplasm.

It transports materials between various regions in the cytoplasm.

It can be the site of energy generation.

It can be the site for some biochemical activities of the cell.

12.

Multiple Choice

30 sec

1 pt

The largest cell is ?

Ostrich Egg

Chicken Egg

Crow’s Egg

None of these

13.

Multiple Choice

30 sec

1 pt

Silver nitrate solution is used to study ?

Endoplasmic reticulum

Golgi apparatus

Nucleus

Mitochondria

14.

Multiple Choice

30 sec

1 pt

Organelle without a cell membrane is

Ribosomes

Golgi Apparatus

Chloroplast

Nucleus

15.

Multiple Choice

30 sec

1 pt

Cell Wall of which of these is not made of cellulose?

Bacteria

Hydrilla

Mango Tree

Cactus

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