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Swati wanted to study the effect of temperature on the rate of evaporation. For this, she carried out the experiment under four different sets of conditions as shown in the table.

A light ray travels through three mediums as shown in the figure. Which of the following shows them in ascending order of their refractive index?


A Medium 1, medium 2, medium 3
B Medium 2, medium 3, medium 1
C Medium 3, medium 1, medium 2
D Medium 1, medium 3, medium 2

The food items shown in the figure are rich in nutrient X. Read the given statements regarding the nutrient X.

(i) When we grow, our body needs X to make new cells.
(ii) Intake of X gives energy immediately.
(iii) Growing children and sick people require less amount of X in their diet.
(iv) X gets stored in our body and keep us warm.
Which of the given statements are incorrect?

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

The velocity-time and acceleration-time graphs of a particle are given here. Its position-time graph may be given as


A
B
C
D

Two similar pots with similar plants were set up as shown in the figure. Both pots were left in the garden and watered daily with the same amount of water. What will happen to the plants X and Y after a month?


ABoth plants X and Y will flower, but plant X will have more flowers than plant Y.
BPlant X will grow taller than plant Y because plant Y will not get sunlight.
CPlant Y will become bushy and its stem will become woody while plant X will remain as it is.
DPlant Y will wither due to lack of air while plant X will grow normally.

Study the given flow chart carefully. Cotton and metal are represented by the numbers ____ and ____ respectively.


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

Shruti took a syringe filled with water as shown here. She applied large pushing force on the piston. What can be the level of water in the syringe now?


A0 mL
B2 mL
C4 mL
D6 mL

Study the given diagram carefully. Candle wax was coated at different parts P, Q, R and S of the metal rod. Which one of the following is the correct order in which the wax would melt?


AP, Q, R, S
BS, R, Q, P
CR, Q, P, S
DR, Q, S, P

In order to save our environment, we should prefer to use items with which of the following signs?

A

B

C

D