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Refer to the given figures and answer the question that follows.

What are the main functions of X, Y and Z?

Find the mirror image of the given Figure (X), if the mirror is placed vertically to the left.



A

B

C

D

Observe the given figure carefully.

Read the given passage and fill in the blanks by selecting an appropriate option. In the given figure, __(i)__ reaction takes place which is a chemical change. __(ii)__ being more reactive than __(iii)__ produces gas 'X' which is __(iv)__ and it burns with a __(v)__ .

Refer to the given table and select the correct option regarding P-U.


AP could be betel, S could be Bougainvillea and U could be Opuntia.
BQ could be ginger, R could be grapevine and T could be pea.
CP could be ivy, R could be spinach and T could be orchid.
DP could be tapioca, S could be rose and U could be Bougainvillea.

A large area of forest was cleared by burning. Which of the following statements is/are correct regarding the consequences of this activity?
(i) Increase in soil erosion as soil is directly exposed to wind and rain.
(ii) The land will have more fresh air as there are lesser trees to take in oxygen.
(iii) Wildlife will easily thrive in the cleared area because more space is available now.
(iv) New trees will grow faster and replace the burnt forest soon as the ash of the burnt trees will make the soil more fertile.

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

Refer to the given graph representing temperature gradient through different regions of Earth.

Identify labelled parts P-S and select the correct statement regarding them.

AAnimals inhabiting S possess blubber.
BAnimals inhabiting R may have small body appendages to reduce the exposed surface area.
CAnimals inhabiting P do not drink water and use only metabolic water to fulfill their water requirements.
DAnimals inhabiting Q undergo aestivation whereas animals inhabiting S undergo hibernation.

Match column I with column II and select the correct option from the given codes.

A student used the stroking method to magnetise a steel bar as shown in the figure.

If the steel bar was divided into parts I, II, III and IV, which of these parts would be the north-pole?

AI
BII
CIII
DIV

Aparna heated a bi-metallic strip made of two different types of metals for some time.

After heating it, she observed that the metallic strip curved as shown in the figure.
Which of the following would best explain the conclusion derived by Aparna about the experiment she had done?

AMetal X is a better conductor of heat than metal Y.
BMetal X is a poorer conductor of heat than metal Y.
CMetal X is of better quality than metal Y.
DMetal X is more flexible than metal Y.