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Which of the following is a physical change?

ACooking of food
BTearing of paper
CBurning of wood
DGermination of seed

Suhani wants to buy a piece of soft, red coloured cloth to make a cushion cover. Which sense organs would she use to choose the piece of cloth?
P. Ears Q. Skin R. Tongue S. Eyes

AP and S only
BQ and S only
CP and Q only
DP, Q, R and S

Refer to the given table and select the option which correctly identifies animals X and Y.


AX - Hen; Y - Silverfish
BX - Cockroach; Y - Mosquito
CX - Grasshopper; Y - Hen
DX - Butterfly; Y - Frog

The different steps of water cycle are given below randomly. Select the option that shows the correct sequence of these steps.
(i) Water droplets in clouds join together to form large droplets.
(ii) Water vapour from water bodies and from leaves of plants get added to air.
(iii) Water vapour get cooled at height.
(iv) Rain water goes back to the water bodies.
(v) Drops of water fall on the Earth as rain.
(vi) Water droplets form a cloud.

A(ii) → (vi) → (iii) → (i) → (v) → (iv)
B(iii) → (ii) → (vi) → (i) → (v) → (iv)
C(ii) → (iii) → (vi) → (i) → (iv) → (v)
C(ii) → (iii) → (vi) → (i) → (v) → (iv)

A balloon attached to a hollow glass tube was submerged in a container of water as shown here. Rohan placed his mouth over the open end of the glass tube and blew air into it. He observed that the water level in the container rose.
This experiment tells us that air ___________.

(i) has mass
(ii) occupies space
(iii) has a definite volume
(iv) can be compressed

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

______ is formed from trees and others plants which died millions of years ago.

ASand stone
BCoal
CGranite
DSlate

Observe the given flow chart and select the option that correctly represents I, II and III.


A(i) - Sweet; (ii) - Neutral; (iii) - Baking soda
B(i) - Sour; (ii) - Acidic; (iii) - Calamine
C(i) - Sour; (ii) - Alkaline; (iii) - Vinegar
D(i) - Sweet; (ii) - Alkaline; (iii) - Calamine

Nine identical resistors of resistance 1 Ω each are connected as shown in the given figure.



Which of the following bar graphs best shows the equivalent resistance between terminals A and B, between terminals B and C, between terminals C and A?

A

B

C

D

Two bodies of masses m₁ and m₂ exert a force F on each other when placed a certain distance d apart. The percentage change in force when the separation between the bodies is decreased by ^d⁄₃, is

A800% decrease
B225% increase
C200% decrease
D125% increase

Siya paired one living thing and one non-living thing together but in doing so she made an incorrect pair.
Select the incorrect pair.

ABird - Mountain
BFish - Clock
CRose plant - Cycle
DRiver - Book