NSO - Mock Test...

Complete the following series:

BFJ, CGK, DHL, ___

If in a certain language, LIGHT is coded as OLJKW, how can SOUND be written in that code?

Play is to actor as concert is to

Complete the following number series:

13, 40, 121, ___

Select the related word to replace the question mark.

DOG : PUPPY : : HORSE : ?

Directions: Select the figure from the given options that will complete the following series.

From the following options, choose the correct figure which uses Figure (X) as its part.


Figure (X)

Choose the appropriate option which resembles the perfect mirror image of the following figure:

E is the son of A. D is the son of B. E is married to C. C is B's daughter. How is D related to E?

Choose a figure from among 1, 2, 3 and 4, which would most closely resemble the unfolded form of Figure (Z).

The part of leaf through which it is attached to the stem is ____________.

Which of the following devices is used to either break the electric circuit or to complete it?

Consider the list of terms given below:

A. High tide
B. Extreme rainfall
C. Storm
D. Earthquake

Which of the above can cause floods?

Which of the following statements is FALSE?

Which of the following statements is TRUE about magnet?

Why does a person get a jerk back when he shoots a bullet off a piston?

On which of the following factors does the size of a shadow depend?

Which of the following are indications of higher speed?

(i) Given distance has been covered in a shorter time.
(ii) Given distance has been covered in a longer time.
(iii) Larger distance is covered in a given time.
(iv) Shorter distance is covered in a given time.

In which of the following circuits will the bulb glow?

Which of the following devices is used to secure tall buildings from the effect of lightning?

______ is light scattering by particles in a colloid or else particles in a very fine suspension.

The passage of an electric current through a conducting liquid leads to

If a person comes near a fast moving train, then the train will

Which of the following options is TRUE?

Consider the following statements and choose the appropriate option.

Statement I: When a wave is refracted, its frequency gets changed.
Statement II: Refraction is change of direction that light undergoes when it enters a medium with a different density from the one through which it has been travelling.

Which of the following is not true about air?

Take out a cold bottle of water from the refrigerator and keep it on a table. After some time, you will notice a puddle of water around it.

What is the possible reason?

Which of the following is an example of a regular reflection?

It is a type of motion in which the velocity of an object changes by an equal amount in every equal time period. What is this motion called?

Distillation is a method used for purification of water and for separation of two miscible liquids. This process is in fact a combination of two processes, which are:

Which of the following processes uses wind to separate the substances?

'Z' is a physical change that has many different applications, some of which are:

• Cooling water in an earthen pot
• Obtaining salt from sea water
• Working of a desert cooler

Which of the following actions is a cause of water pollution?

Observe the following Venn diagram:


Which of the following changes represents X?

Which of the following is a periodic change?

Refer to the flowchart given below and choose the incorrect statement.

Identify X in the figure given below:

The tiny openings in the body of a cockroach through which it takes in air are known as

Which one of the following diseases is caused due to deficiency of calcium?

Which one of the following vitamins requires fat for its absorption?

Which one of the following foods is rich in vitamin E?

Match the items in column A with their functions in column B.

Observe the flowchart given below and select the correct statements about the processes P, Q and R.



I. Process P is endothermic.
II. The change brought about by process Q can be reversed on cooling.
III. Process R is usually observed during summer.
IV. Process R is exothermic

Which of the given substances are not pure and can have a variable composition?

(a) Air
(b) Alloy
(c) Hydrogen
(d) Milk

Some points have been listed down while studying about biodegradable and non-biodegradable waste, and recycling and reusing the waste materials.

(i) It should torn into small pieces.
(ii) Soak these pieces in water for a day.
(iii) Make a thick paste and spread it on a net or sieve.
(iv) Let water drain off completely.
(v) Use an old cloth or newspaper to remove the extra water from the paste and dry it.
(vi) It is ready for use when completely dry.

To which of the following processes are the above points related?

The following picture shows different types of objects with different kinds of motion. Select the answer which matches them correctly.

Identify the paramecium from the options given below:

Carefully observe the diagram given below:



Choose the incorrect option regarding the process shown above.

Study the dichotomous key and identify the type of change represented by W, X, Y and Z.

I. (i) It is a man-made fibre: W
(ii) It is a natural fibre. Go to II.
II. (i) It is a natural mineral fibre: X
(ii) It is a plant fibre. Go to III.
III. (i) The crop is usually grown at places having black soil and warm climate: Y
(ii) It is cultivated during the rainy season: Z

In the following images, contact forces and non-contact forces have been shown.


Choose the option in which images are correctly labelled.