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(A)

(B)

(C)

(D) Both (A) & (C)

Select the option in which the odd one among the others is encircled correctly.

A
B
C
D

The given diagram represents the water cycle. Select the INCORRECT option regarding the processes that are labelled as a, b and c.


A In process 'b', the water vapours that rises, cools down to form tiny drops of water which come together to form clouds.
B In process 'a', water from rivers, lakes and seas changes to water vapours due to the warmth of sunlight.
C In process 'c', clouds formed in process 'b' become full and fall back to Earth as rain.
D None of these

(i) X reacts violently with cold water.

(ii) Y reacts with boiling water.

(iii) Z reacts with steam.

(A) Na, Mg, Zn

(B) Na, Zn, Fe

(C) Cu, Zn, Na

The value of is

(A) 0.039

(B) 0.235

(C) 0.25

On dividing 2272 as well as 875 by 3digit number N, we get the same remainder. The sum of the digits of N is

(A) 10

(B) 11

(C) 12

(A) 22 cm ²

(B) 44 cm ²

(C) 77 cm ²

Viraj found a fruit which he has not seen before. He wanted to find out whether the fruit is scattered in the same way as the Mimosa. He planned to do the following:
i. Throw it in the air.
ii. Examine the 'hooks'.
iii. Place it on his socks.
iv. Open it to look at seeds.
Which of the above actions are useful for his purpose?

A i and ii
B i, ii and iii
C ii and iii
D iii and iv

Read the given statements and mark the correct option.

Statement 1 : Copper sulphate solution is a good conductor of electricity.
Statement 2 : Conduction of electricity takes place in liquids due to flow of ions.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.

Which of the following statements regarding pinhole camera is/are not correct?
(i) Pinhole camera forms real image
(ii) Principle of image formation in pinhole camera is rectilinear propagation of light.
(iii) Pinhole in a pinhole camera acts as the lens.

A(i) only
B(i) and (ii)
C(ii) and (iii)
Dnone of them