WorksheetsScience Mega Quiz
Total questions: 20
Worksheet time: 9mins
Which Indian philosopher researched about matter (padarth)?
Pakudha Katyayama
Democritus
Maharishi Kanad
Leucippus
Which atom is used as standard atomic mass unit?
Helium-4 ion
Hydrogen atom
Oxygen atom
Carbon-12 isotope
What is the formula for Magnesium Chloride?
MgCl
MgCl3
MgCl2
MgCl4
Calculate the number of particles in 46g of Na atoms.
6.022 x 10^23 particles
12.044 x 10^23 particles
1.51 x 10^23 particles
46 particles
Which scientist discovered the nucleus of the atom?
Ernest Rutherform
JJ Thomson
Neils Bohr
J Chadwick
What is the valency of Sodium?
11
1
+1
-1
What is the isobar of Argon?
Argon-4
Argon-12
Neon
Calcium
What is the total combining capacity of Chlorine?
1
17
-1
None of the above
What is the acceleration of freefall?
10m/s^2
6m/s^2
9m/s^2
9.8m/s^2
The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become
F/4
F/2
F
2F
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be
1/4 times
4 times
1/2 times
Unchanged
The weight of an object at the centre of the Earth of radius R is
zero
infinite
R times the weight at the surface of the Earth
1/R2 times the weight at surface of the Earth
In case of negative work the angle between the force and displacement is
0°
45°
90°
180°
Which one of the following is not the unit of energy?
Joule
Newton Metre
Kilowatt
Kilowatt hour
The number of joules contained in 1 kWh is
36 × 105 J
3.6 × 107 J
36 × 108 J
3.7 × 107 J
If speed of a car becomes 2 times, its kinetic energy becomes
16 times
12 times
8 times
4 times
Which of the following can make you ill if you come in contact with an infected person?
High BP
Genetic Abnormalities
Sneezing
Blood Cancer
Which one of the following causes kala-azar?
Ascaris
Trypanosoma
Leishmania
Bacteria
Viruses, which cause hepatitis, are transmitted through
air
water
food
personal contact
Which one of the following disease is not caused by bacteria?
Typhoid
Anthrax
Tuberculosis
Malaria
