Practice Questions set 2 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   If pieces of equal size of woods, wax and iron falling from a same height, which one will reach the surface of the Earth first?

(a)

(b)

(c)

(d)

Q-2)   If an object is falling from above, its weight remains

(a)

(b)

(c)

(d)

Q-3)   The mass of a body on the Earth is 100 kg (acceleration due to gravity, $g_e = 10 m/s^2$). If acceleration due to gravity on the Moon is ($g_e = 106 m/s^2$), then the mass of the body on the Moon is

(a)

(b)

(c)

(d)

Q-4)   A pendulum clock can run faster in

(a)

(b)

(c)

(d)

Q-5)   Consider the following statements. A Simple Pendulum is set into oscillation. Then,
  1. the acceleration is zero when the bob passes through the mean position.
  2. in each cycle the bob attains a given velocity twice.
  3. both acceleration and velocity of the bob are zero when it reaches its extreme position during the oscillation.
  4. the amplitude of oscillation of the simple pendulum decreases with time.
Which of these statements are correct?

(a)

(b)

(c)

(d)

Q-6)   Who propounded the universal law of gravitation?

(a)

(b)

(c)

(d)

Q-7)   A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/$s^2$. What will be its velocity after 3 s?

(a)

(b)

(c)

(d)

Q-8)   Which of the following pairs is correctly matched?
Column I Column II
A. Radium 1. Alexander Fleming
B. Penicillin 2. Madam Curie
C. X-ray 3. Edward Jenner
D. Smallpox 4. W.K. Roentgen
Choose the correct option from the codes given below for (A), (B), (C), and (D).

(a)

(b)

(c)

(d)

Explanation:

Q-9)   Who among the following anticipated Newton by declaring that all things gravitate to the Earth?

(a)

(b)

(c)

(d)

Q-10)   Who gave the theory of gravity?

(a)

(b)

(c)

(d)