Everyday Science Test 13

Total Questions: 28

1 - The walls of the auditoria built for musical concerts should...... sound.

A ) Attenuate
B ) Absorbs ✅
C ) Transmit
D ) Reflect

2 - Which of the following is transmitted by a wave?

A ) Amplitude ✅
B ) Velocity
C ) Energy
D ) Momentum

3 - Light waves and radio waves are

A ) Transverse waves ✅
B ) Longitudinal waves
C ) Elastic waves
D ) None

4 - Transverse waves can propagate

A ) In gas and a metal
B ) In a gas but not in a metal
C ) In a metal but not in a gas ✅
D ) Neither in a gas nor in a metal

5 - The elevation or hump in a transverse wave is called a

A ) Trough
B ) Crest ✅
C ) Wavelength
D ) None

6 - The depression or hollow in a transverse wave is called a

A ) Wavelength
B ) Crest
C ) Trough ✅
D ) None

7 - The unit of frequency is

A ) Metre
B ) Metre per second
C ) Second
D ) Hertz ✅

8 - In simple harmonic motion the acceleration is proportional to

A ) Period
B ) Displacement ✅
C ) Effective length
D ) All the above

9 - In seconds pendulum, the pendulum executes

A ) One beat per second
B ) Two beats per second
C ) Ten beats per second
D ) Half beat per second ✅

10 - The motion of a particle from one extremity to the other constitutes

A ) Half an oscillation ✅
B ) One full oscillation
C ) Two oscillation
D ) Three oscillation

11 - Plaster of Paris is made from

A ) Bauxite
B ) Gypsum ✅
C ) Lime
D ) None

12 - Which of the following Ami o acid contains sulphur?

A ) Alanine
B ) Cysteine ✅
C ) Glycine
D ) Valine

13 - Which of the following is not an element?

A ) Chlorine
B ) Silicon
C ) Oxygen
D ) Marble ✅

15 - Fungisides are the pesticides which

A ) Kill insects
B ) Kill plants
C ) Kill herbs
D ) Controls the growth of fungus ✅

16 - Petroleum consists of a complex mixture of

A ) Carbohydrates
B ) Carbonate
C ) Hydrocarbon ✅
D ) None

17 - The most abundant element in the Earth's atmosphere is

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

18 - The pH range of the acid rain is

A ) 7-6.5
B ) 6.5-6
C ) 6.5-6.3
D ) Less than 5 ✅

19 - An element is made up of atoms having same

A ) Atomic mass
B ) Number of Neutrons
C ) Number of protons ✅
D ) Number of Nucleons

20 - Name the nutrients which provides instant energy?

A ) Proteins
B ) Carbohydrates ✅
C ) Minerals
D ) Vitamins

21 - The micro organism widely used in preparation of butter or cheese is

A ) Saccharomyces sp
B ) Mycobacterium
C ) Lactobacillus ✅
D ) None

22 - Fats and their derivatives occuring in living systems are collectively known as

A ) Carbohydrates
B ) Proteins
C ) Lipids ✅
D ) Vitamins

23 - Fats are long chain organic compounds consisting of several different kinds of

A ) Amino acids
B ) Fatty acids ✅
C ) Iodine
D ) Acetic acid

24 - What is the main function of water in human body

A ) Provide energy
B ) Help in growth
C ) Control body processes ✅
D ) All of these

26 - The type of sugar present in milk is

A ) Lactose ✅
B ) Maltose
C ) Galactose
D ) Sucrose

27 - The food intake and process of eating is regulated by

A ) Medulla oblongata
B ) Cerebellum
C ) Hypothalamus ✅
D ) Cerebrum

28 - In muscular contractions, the direct source of energy is

A ) Creatinine phosphate
B ) Adenosine diphosphate
C ) Nicotinamide phosphate
D ) Adenosine triphosphate ✅