Everyday Science Test 06

Total Questions: 30

1 - Kinetic energy depends

A ) On the mass of the moving body
B ) The velocity or speed of the moving body
C ) Pressure of the moving body
D ) Both mass and velocity of the moving body ✅

2 - Electronics is the study of

A ) Flow of molecules ✅
B ) Flow of electrons
C ) Flow of photons
D ) All are true

3 - Permanent magnets are made from

A ) Diamagnetic substance
B ) Ferromagnetic substances ✅
C ) Paramagnetic substances
D ) Dielectric substances

4 - Ball bearings are used to reduce friction by

A ) Applying lubricants to the balls used
B ) Reducing the area of contact with the use of metallic balls ✅
C ) Increasing the area of contact with the use of metallic balls
D ) None

5 - In tv transmission

A ) Sound and video signals are transmitted simultaneously ✅
B ) Sound is transmitted first and then the video signal follows
C ) Video signal is transmitted first, followed by sound signals
D ) Sound and video signals are transmitted from different places at the same time

6 - Surface tention in a liquid is due to

A ) Adhesive force between the molecules
B ) Cohesive force between the molecules ✅
C ) Gravitational force between the molecules
D ) Electrical force between the molecules

8 - Echo is the effect produced due to

A ) Absorption of sound
B ) Dispersion of sound
C ) Reflection of sound ✅
D ) Refraction of sound

9 - Tiredness is felt on the top of the mountains because of

A ) High temperature
B ) Low temperature
C ) High pressure outside the body
D ) Low pressure outside the body ✅

10 - What is the melting point of Tungsten?

A ) 500°C
B ) 1000°C
C ) 2000°C
D ) 3000°C ✅

11 - Which of the following gases finds it's application in extinguishing fire?

A ) Oxygen
B ) Carbon dioxide ✅
C ) Carbon monoxide
D ) All

12 - The first metal used by man was

A ) Zinc
B ) Iron ✅
C ) Gold
D ) Bronze

13 - Which of the following is widely used as an anesthetic?

A ) Methane
B ) Ammonia
C ) Chlorine
D ) Chloroform ✅

14 - Which of the following is used for silvering of mirror?

A ) Silver Nitrate ✅
B ) Zinc nitrate
C ) Silver oxide
D ) Pitchblende

15 - Which of the following gases is most toxic?

A ) Carbon dioxide
B ) Carbon monoxide ✅
C ) Sulphur dioxide
D ) None of these

16 - Raw materials used for manufacture of glass are

A ) Sand,soda, limestone ✅
B ) Sand,charcoal,soda
C ) Limestone, charcoal, sulphur
D ) Sand, sulphur,soda

17 - The gas used in the manufacturer of Banaspati Ghee is

A ) Helium
B ) Oxygen
C ) Nitrogen
D ) Hydrogen ✅

18 - Chemically an Enzyme is a

A ) Lipids
B ) Vitamin
C ) Protein ✅
D ) Carbohydrates

19 - The raw materials from which Rayon is manufactured is

A ) Cellulose ✅
B ) Plastic
C ) Petroleum
D ) None of these

20 - Which of the following is the lightest gas?

A ) Nitrogen
B ) Hydrogen ✅
C ) Ammonia
D ) Carbon dioxide

21 - The body part which prevents the entry of food into trachea is

A ) Pharynx
B ) Epiglottis ✅
C ) Tongue
D ) Medulla oblongata

22 - Which of the following glands is known as the master gland?

A ) Thyroid gland
B ) Parathyroid gland
C ) Pituitary gland ✅
D ) Liver

23 - The special chemical substances released by endocrine glands are called

A ) Enzymes
B ) Hormones ✅
C ) Alkaloids
D ) Protein

25 - The approximate length of small intestine in man is

A ) 1.6 m
B ) 2.6m ✅
C ) 3.6m
D ) 4.6m

26 - The total number of ribs present are

A ) 5pairs
B ) 7pairs
C ) 9pairs
D ) 12pairs ✅

27 - The main function of red blood cells is to

A ) Transport oxygen ✅
B ) Transport haemoglobin
C ) Transport sodium ions
D ) Transport potassium ions

28 - In red blood cells the synthesis of haemoglobin takes place in

A ) Nucleus
B ) Ribosomes
C ) Mitochondria ✅
D ) Golgi apparatus

29 - The lymph is formed from

A ) Blood in arteries
B ) Blood in veins
C ) Tissue fluid ✅
D ) Both a and b

30 - In man the blood is supplied to kidney for ultrafiltration by

A ) Renel artery ✅
B ) Renal vein
C ) Kidney artery
D ) Hepatic artery