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The given figure shows changes in states of matter from one form to another. Identify the processes (1 - 5) involved in different steps.
Which of the following is evaporation, sublimation and condensation respectively?


A 3, 5, 2
B 2, 4, 3
C 2, 5, 1
D 3, 1, 4

Read the given paragraph where some of the words have been italicised and select the incorrect option regarding them.
Wool is a natural and non-biodegradable animal fibre. The wool used for production of pashmina shawl is Angora wool. Carding is the process in which fleece is removed from the body of an animal. Fleece is then thoroughly washed to remove the dust and dirt. This process is called scouring. Then the hair of different textures are sorted and burrs are removed from them. The clean wool fibres are then passed through rollers whose teeth untangle the fibres and this process is called reeling.

ANon-biodegradable should be replaced with biodegradable.
BCarding should be replaced with shearing.
CAngora should be replaced with Cashmere.
DThe positions of scouring and reeling should be interchanged. interchanged.

Which of the items above will allow you to see around a corner from where you are standing?

A(i) only
B(iii) only
C(i) and (ii)
D(i) and (iii)

An athlete completes half round of a circular track of radius R, then the displacement and distance covered by the athlete are, respectively ________.

A 2R and πR
B πR and 2R
C R and 2πR
D 2πR and R.

Refer to the given flow chart and identify P-S.

Now, select the option that correctly represents X and Y shown in the given figures.

An object is released from a height h. At a certain height, its kinetic energy is (³⁄₅)^th of its potential energy. The speed of the particle at that instant is

A
B
C
D

The given bar graph shows the respiratory quotient (RQ) of three food substrates P, Q and R. Identify the food substrates and select the correct option regarding them.


A Sportsperson should consume food rich in R for gaining instant energy.
B A person recovering from surgery should consume food rich in Q.
C Animals inhabiting cold regions possess thick deposit of P under their skin.
D All of these

Chalk is used for writing on blackboards because

AIt is a soft rock
BIt is made up of sandstone
CIt is a hard rock
DIt is made up of silica.

The distance time graph of two persons X and Y in a 100 m race are depicted in the given figure.

Then, select the incorrect statement(s).
(i) X and Y are at maximum distance to each other in the time duration 8-10 s.
(ii) The maximum distance between X and Y is more than 20 m.
(iii) The average speed of X is greater than that of Y.

A(i) and (ii) only
B(i) and (iii) only
C(ii) only
D(i), (ii) and (iii)

Three students of class 6 suggested the methods to separate the given types of mixtures.
Anushka : A heterogeneous solid-liquid mixture in which solid is lighter than liquid can be separated by filtration.
Jay : A heterogeneous solid-solid mixture containing one water soluble component can be separated by sedimentation-decantation followed by condensation.
Kriti : A heterogeneous liquid-liquid mixture can be separated by crystallisation.
The method(s) given by which of them is/are correct?

AJay only
BJay and Kriti only
CAnushka and Kriti only
DAnushka only