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Read the following statements given by Suresh about a metal box containing some coloured beads.
1. The box rattles when shaken.
2. The box is soft.
3. The box cannot be broken easily.
4. Coloured beads cannot be seen in the box when it is closed.
Which of the above statements indicate that the box is made of a metal?

A1 and 3 only
B2 and 3 only
C3 and 4 only
D1, 3 and 4 only

The given figure illustrates the changes in lung volume during the process of breathing.

The change from Q to R indicates the

A Movement of air out of the lungs
B Ribs move upward and outward
C Expansion of thoracic cavity
D Movement of diaphragm away from the lung.

If rocket P and rocket R interchange their positions, then rocket _________ is second to the left of rocket Q.


AP
BU
CW
DR

To protect the user, part(s) _______ of the plug as shown in the figure must be made of electrical insulators.



AP only
BR only
CR and S
DQ and S

Three friends made following statements about the muscles present in our body.
Sarita : Muscles P never take rest. They are found in the organ which does not function under our control.
Gaurav : Muscles Q function under our control and are involved in the movement of body.
Rashmi : Muscles R work on their own but can get fatigued. They are found in our heart.
Which of these friends made incorrect statement?

ASarita only
BGaurav and Sarita only
CRashmi only
DSarita and Rashmi only

The given foot may belong to a _________.


ADuck
BParrot
CHen
DEagle

Most of the living things need _______ to stay alive.
1. Air
2. Sunlight
3. Food
4. Water

A 1 and 2 only
B 1, 3 and 4 only
C 1, 2 and 3 only
D 1, 2, 3 and 4

Study the given classification chart of feet of birds. They have been classified according to certain characteristics.



Which of the following shows the characteristics of P and T accurately?

Which of the following statements are correct regarding the given animals?

(i) Both X and Y possess streamlined body and webbed feet.
(ii) Both are good swimmers.
(iii) Y has a thick layer of fat under its skin with fur on its body, while X has thick skin and a layer of fat under its skin.
(iv) Both live together in large numbers and huddle together to keep themselves warm.
(v) Y has very strong sense of smell unlike X.

A(ii), (iii) and (iv)
B(i), (ii), (iii) and (iv)
C(ii), (iii) and (v)
D(i) and (iv)

Somya took water in five different tumblers (I-V) and added different substances to each tumbler. She stirred the contents with spoon and then recorded her observations in the given table.

The correct observations and inferences are

AI, II and IV only
BIII and V only
CIV and V only
DNone of these.