MEDIUM
RRB Group D CBT
IMPORTANT
Earn 100

Consider the following statements:

1. Ozone is used as a germicide, air, and water purifiers, in making artificial silk, etc.

2. Bitterness in the onions is due to the presence of sulfur compounds.

3. Helium is used in filling the tires of the aircraft.

Which of the statements given above are correct?

50% studentsanswered this correctly

Important Questions on Practice Set

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements:

1. Tendons connect bone to muscles.

2. Bone forming cells are osteoblasts.

3. Ligament connects bone to bone.

Which of the statements given above are correct?

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements:

1. When a beetle moves along the sand within a few tens of centimetres of a sand scorpion, the scorpion immediately turns towards the beetle and dashes towards it.

2. When a beetle disturbs the sand, it sends pulses along the sand's surface. One set of pulses is longitudinal while the other set is transverse.

Which of the statements given above is/are correct?

MEDIUM
RRB Group D CBT
IMPORTANT

Consider the following statements:

1. The rate of diffusion of liquids is higher than that of solids.

2. In the liquid state, particles move freely and have greater space between each other as compared to particles in the solid state.

Which of the statements given above is/are correct?

MEDIUM
RRB Group D CBT
IMPORTANT

Consider the following statements:

1. Atavism is the reappearance of disappeared ancestral characters.

2. Third molars and hair on the body are examples of atavism.

3. Atavism is the disappearance of vestigial structures.

Which of the statements given above is/are true?

MEDIUM
RRB Group D CBT
IMPORTANT

Consider the following statements:

1. The susceptibility of a paramagnetic material varies inversely with the temperature.

2. The susceptibility of a diamagnetic material is small and negative.

3. The relative permeability of a diamagnetic material is less than unity.

4. The relative permeability of a paramagnetic material is greater than unity.

Which of the statements given above are correct?

HARD
RRB Group D CBT
IMPORTANT
Which of the following is not correct about Akash Missile?
EASY
RRB Group D CBT
IMPORTANT

Consider the following statements regarding diamond:

1. It is an allotrope of silicon.

2. It is a bad conductor of heat and electricity.

3. It is the hardest substance.

4. It burns to produce carbon dioxide.

Which of the statements given above are correct?

MEDIUM
RRB Group D CBT
IMPORTANT
Two bodies A and B are of the same mass, and the same amount of heat is given to both of them. If the temperature of A increases more than that of B because of heat addition, then _____.