Q: Why a man sitting in a moving bus suddenly moves forward when the bus suddenly stops?
A. Due to inertia
B. Due to brakes
C. Due to negative acceleration
D. Due to force exerted by the machine
A. Due to inertia
Q: Why are transition elements called so?
A. Variable valency
B. Having different colors
C. Transient valency
D. Both A and B
D. Both A and B
Q: Which of the following is not greater than 7/16?
A. 1/2
B. 31/62
C. 15/17
D. 3/8
D. 3/8
A. decreases
B. Increases
C. No change
D. none of the above
A. decreases
Q: If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and-stands for 'division', then 20 × 8 ÷ 8 - 4 + 2 = ?
A) 80
B) 25
C) 24
D) 5
C) 24
Q:The person sitting in a moving car has________energy.
A. Kinetic energy
B. Potential energy
C. Both kinetic and potential energy
D. Gravitational potential energy
C. Both kinetic and potential energy
Q: Why is it challenging to prepare a supersaturated solution?
A. Oxygen in air
B. Because it cant be prepared at room temperature
C. Solute particles cant be homogenised
D. Constant heat pressure
B. Because it cant be prepared at room temperature
Q: If the sum of the first two of the five consecutive odd integers is 52, what is the sum of the last two integers?
A. 61
B. 67
C. 64
D. 58
C. 64
A. a non polar solvent
B. Feebly ionized
C. A very good solvent
D. not volatile
B. Feebly ionized
Q: 7 is to 34 as 5 is to
A) 33
B) 24
C) 54
D) 41
D) 41
Q: Why in hitting the carpet with stick mud flies away?
A. Due to friction
B. Due to inertia
C. Due to force of stick
D. Both A and B
B. Due to inertia
Q: Is electrolysis same to ionization? If no, why?
A. Yes!
B. Electrolysis can't be done without ionization
C. It can be done
D. Matter splits up into its ions
B. Electrolysis can't be done without ionization
Q: If each side of a square is increased by x units then its perimeter is increased by how many units?
A. 2x
B. 8x
C. 4x
D. none of the above
C. 4x
A. Troposphere
B. Ionosphere
C. Chromosphere
D. Stratosphere
B. Ionosphere
Q: Find the missing number in the series?
8, 27, ?, 125, 216, 343,
A) 64
B) 46
C) 10
D) 16
A) 64
Q: Mirage is an example of?
A. Reflection and interference of light
B. Refraction of light
C. Total Internal reflection and refraction
D. Dispersion of Light
C. Total Internal reflection and refraction
Q: What happens to liquid when vapour pressure becomes equal to atmospheric pressure
A. Liquid cools
B. Liquid boils
C. No change
D. liquid evaporates
B. Liquid boils
Q: in the below figure , the length of 'BC' is
A. 8sin36
B. 8cos36
C. 8tan36
D. 6
C. 8tan36
A. Hot weather
B. Cold Weather
C. Storm
D. Dry Weather
C. Storm
Q: Find the wrong number in the series.
1, 2, 6, 15, 31, 56, 91
A) 31
B) 15
C) 56
D) 91
D) 91
Q: The Bats can fly in the darkness because
A. they can see the objects in the darkness
B. They generate flashes of light
C. They generate ultrasonic sound waves
D. they have strong wings and eye sight
C. They generate ultrasonic sound waves
Q. Blue litmus paper turns ......... on contact with an acidic solution.
1) red
2) brown
3) green
4) yellow
1) red
Q: 20 % of 2 is equal to
A. 20
B. 4
C. 0.4
D. 0.04
C. 0.4
Q. Two pieces of metal when immersed in a liquid have equal upthrust on them, then -
1) Both pieces must have equal weights
2) Both pieces must have equal densities
3) Both pieces must have equal volumes
4) Both pieces are floating at the same depth
3) Both pieces must have equal volumes
Q: The product of 2 numbers is 1575 and their quotient is 9/7. Then the sum of the numbers is –
a. 74
b. 78
c. 80
d. 90
c. 80