Most Important MCQs of SCIENCE PART I for SSC Board Examination

Select the correct option and write only the alphabet corresponding to the correct option :

Electromagnetic induction means ……….

(A) charging of an electric conductor
(B) production of magnetic field due to a current flowing through a coil
(C) generation of a current in a coil due to relative motion between the coil and the magnet
(D) motion of the coil around the axle in an electric motor

Select the correct option and write only the alphabet corresponding to the correct option :

The halogen which is liquid at room temperature is ………..

(A) fluorine           (B) astetine           

(C) bromine           (D) iodine

Select the correct option and write only the alphabet corresponding to the correct option :

Out of the following ………….. has the highest absolute refractive index.

(A)fused quartz
(B) diamond
(C) crown glass
(D) ruby

Select the correct option and write only the alphabet corresponding to the correct option :

……….. is used to study the anomalous behaviour of water.

(A) Calorimeter                (B) Joule’s apparatus
(C) Hope’s apparatus     (D) Thermos flask

Select the correct option and write only the alphabet corresponding to the correct option :

Eka-boroon was subsequently named as ……….

(A) gallium          (B) germanium            (C) scandium           (D) molybdenum

Select the correct option and write only the alphabet corresponding to the correct option :

Carbon dioxide ……….

(A) turns lime water milky           (B) is odourless         

(C) is colourless                              (D) All the three (A), (B) and (C) are correct

Select the correct option and write only the alphabet corresponding to the correct option :

During Newlands’ time ………. elements were known.

(A) 56           (B) 65           (C) 63           (D) 36

Select the correct option and write only the alphabet corresponding to the correct option :

Select the correct option and write only the alphabet corresponding to the correct option :

Select the correct option and write only the alphabet corresponding to the correct option :

Which of the statements given below correctly describes the magnetic field near a long, straight current carrying conductor ?

(A)The magnetic lines of force are in a plane, perpendicular to the conductor in the form of straight .
(B) The magnetic lines of force are parallel to the conductor on all the sides of conductor.
(C) The magnetic lines of force are perpendicular to the conductor going radially outward.
(D) The magnetic lines of force are in concentric circles with the wire as the centre, in a plane perpendicular to the conductor.