Study the two life cycles P and Q, and select the option that correctly identifies the
organisms which show these cycles, respectively.
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.
|Characteristic||Set W||Set X||Set Y||Set Z|
of the container
|80 cm3||120 cm3||80 cm3||120 cm3|
Which of the following is best suited to conclude the effect of temperature on the rate of evaporation?
ASet W and Set Z
BSet X and Set Z
CSet Y and Set Z
DSet W and Set Y
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
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.