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QuizWiz 10

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Precipitation reactions always produce

a)

Soluble salts

b)

Insoluble salts

c)

Coloured salts

d)

Acidic salts

2.

What is coronavirus?

a)

It is a large family of viruses.

b)

It belongs to family of Nidovirus.

c)

Both a and b are correct.

d)

Only a is correct.

3.

Water moving up in a straw is an example of

a)

Capillary action.

b)

Surface tension.

c)

Evaporation.

d)

Viscosity.

4.

The blood vessel which enters Bowman’s capsule of nephron is

a)

Renal vein.

b)

Renal artery.

c)

Pulmonary artery.

d)

Ureter.

5.

The only natural magnet is

a)

Azurite.

b)

Magnetite.

c)

Quartz.

d)

Haematite.

6.

Emulsifying action during digestion is exhibited by

a)

Pancreatic juice.

b)

Bile juice.

c)

Gastric juice.

d)

Intestinal juice.

7.

The animal which does not have eyes that look sideways is

a)

Horse.

b)

Chicken.

c)

Lion.

d)

Fish.

8.

Copper sulphate is

a)

Acidic salt.

b)

Basic salt.

c)

Neutral salt.

d)

Amphoteric salt.

9.

The component of white light having least wavelength will have

a)

Maximum frequency and Maximum energy.

b)

Least frequency and least energy.

c)

Maximum frequency and least energy.

d)

Least frequency and maximum energy.

10.

Name a clinical trial in which blood is transfused from recovered COVID-19 patients to a coronavirus patient who is in critical condition.

a)

Vaccine therapy.

b)

Plasma therapy.

c)

Hydroxychloroquine therapy.

d)

Remdesivir therapy.

11.

Major chemical found in human kidney stones is

a)

Calcium phosphate.

b)

Calcium oxalate.

c)

Calcium tartarate.

d)

Calcium carbonate.

12.

Chlorophyll pigment is a complex of ————-metal.

a)

Manganese.

b)

Magnesium.

c)

Zinc.

d)

Iron.

13.

Acidic solutions have

a)

Hydronium ions .

b)

Hydroxyl ions.

c)

Both a and b.

d)

None of them.

14.

In order to produce a magnification of -2 (minus 2 )with a concave mirror, the object should be placed

a)

Between pole and focus.

b)

Between focus and centre of curvature.

c)

At the centre of curvature.

d)

Beyond the centre of curvature.

15.

Hasenclever method is used to prepare

a)

Baking soda.

b)

Washing soda.

c)

Ammonia.

d)

Bleaching powder.

16.

The longest bone in human body is

a)

Fibula.

b)

Radius.

c)

Humerus.

d)

Stirrup.

17.

Tooth enamel is

a)

Calcium hydrogen apatite.

b)

Calcium hydroxy apatite.

c)

Calcium fluor apatite.

d)

Calcium chlor apatite.

18.

Amalgams are solutions of

a)

Mercury in metals.

b)

Metals in mercury.

c)

Mercury in glass.

d)

Glass in mercury.

19.

The organ of the human body where magnetic field produced is quite significant is

a)

Stomach.

b)

Kidney.

c)

Liver.

d)

Heart.

20.

A substance having high optical density but low mass density is

a)

Turpentine oil.

b)

Glass.

c)

Kerosene oil.

d)

Diamond.