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Select the incorrect match.

AExosphere - All weather changes take place in this layer.
BStratosphere - Jet planes usually fly in this layer.
CMesosphere - Most meteoroids entering the Earth’s atmosphere slow down and burn up in this layer.
DThermosphere - Space shuttles orbit in this layer.

Study the given flow chart and answer the following questions.

Select the INCORRECT match of the letter in the flow chart with its respective example.

A
B
C
D

Refer to the given Venn diagram and select the correct option regarding W, X, Y and Z.


A X can be sugar, while Y can be salt.
B W can be sand, while Y can be honey.
C Y can be kerosene, while Z can be milk.
D X can be sand, while Z can be glycerine.

Select the INCORRECT statement.

A Earth revolves around Sun in a fixed path called axis.
B Earth completes one rotation on its axis in about 365 days.
C Rotation of Earth on its axis causes day and night.
D Both A and B

Select a figure from the options which will continue the series as established by the given Problem Figures.



A

B

C

D

An experiment is performed as shown in the given figure.

The conclusion we can draw from the above experiment is that

A Nature of matter is continuous
B Matter is made up of particles
C Particles of salt get into the spaces between the particles of water
D Both (B) and (C).

Which one of the following is not a function of placenta?

ATransport of foetal excretory products to mothers blood.
BTransport carbon dioxide from the maternal blood to the foetal blood.
CTransport nutritive elements to the foetus.
DSecretion of hormone.

Read the following passage and fill in the blanks by selecting an appropriate option. Match sticks are made of suitable wood. These wooden sticks have a mixture of __(i)__ and __(ii)__. The rubbing surface, present on the match box has __(iii)__ and a little __(iv)__.