User Forum

A student used the stroking method to magnetise a steel bar as shown in the figure.

If the steel bar was divided into parts I, II, III and IV, which of these parts would be the north-pole?

AI
BII
CIII
DIV

Aparna heated a bi-metallic strip made of two different types of metals for some time.

After heating it, she observed that the metallic strip curved as shown in the figure.
Which of the following would best explain the conclusion derived by Aparna about the experiment she had done?

AMetal X is a better conductor of heat than metal Y.
BMetal X is a poorer conductor of heat than metal Y.
CMetal X is of better quality than metal Y.
DMetal X is more flexible than metal Y.

The weak zones around the boundaries of plates underneath the Earth, which are prone to slide and cause earthquake are commonly known as

A Fault zone
B Eruption zone
C Explosive zone
D Sliding zone.

Oscillations are set in a simple pendulum whose length is 2 m and mass of the bob is 2 kg. Its time period

A Is always constant
B Increases slowly
C Decreases slowly
D First increases then decreases.

Which sound wave shown here is high-pitched but soft ?

A
B
C
D

Which figure will complete the Figure (X)?


A
B
C
D

Refer to the given figure and select the option that correctly compares structures X and Y.


AX always carries urine whereas Y always carries semen.
BIn each male individual, X exists singly but Y exists in a pair.
CThe flow of fluid through X can be controlled voluntarily but such control does not exist in Y.
DBoth B and C

Starting from the first letter, cross out every alternate letter in the following options and select the one which gives my name.

AACGHLIPLOLSI
BAPFEOA
CSPTOSTDAPTRO
DPSJPEIFNSATCUH