46.

47.

48.

49.

50.

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52.

53.

The Nobel Prize in Physics 2021 has been awarded to Syukuro Manabe, Klaus
Hasselmann and Giorgio Parisi. Manabe and Hasselmann were jointly honored for
"the physical modelling of Earth's climate, quantifying variability and reliably predicting
global warming."

Giorgio Parisi was honored for .............

(A) "the discovery of the interplay of disorder and fluctuations in physical system
from atomic to planetary scales."

(B) "the discovery of a supermassive compact object at the centre of our galaxy."
(C) "theoretical discoveries in Physical Cosmology."
(D) "groundbreaking inventions in the field of Laser Physics."

The value of enthalpy of mixing of benzene and toluene is

(A) Zero (B) Negative (C) Positive (D) Unity
The hybridisation of C,-C,—C, carbon atoms in propene molecule is

(A) sp?-sp?-sp? (B) sp?-sp?-sp®

(©) 50-503-503 (D) sp?-sp?-sp?

The temperature at which a real gas obeys ideal gas laws over an appreciable range
of pressure is called

(A) Critical temperature (B) Kraft temperature
(C) Boyle temperature (D) Curie temperature

Which among the following statements are correct?
(i) Eco system restoration was the theme of World Environment Day of the year 2021.
(ii) Pakistan served the global host for World Environment Day 2021.

(iii) Ecosystem restoration means a process of reversing the damage caused to the
ecosystem and help in its recovery.

(A) i and iii (8) ii and iii (C)i and ii (0) i, ii and iii
If 2" = 128, then the value of n is
(A) 2 (B)8 (912 (D) 14

Two numbers are in the ratio of 3:5. If each number is increased by 10, the ratio
becomes 5:7. The numbers are

(A) 3, 5 (8) 15, 25 (©) 12, 20 (0) 18, 30

‎can do a piece of work in 30 days, while 8 alone can do it in 40 days. In how many‏ م
‎days can A and B working together do it?‏

‎(A) 17 and 1/7 (B) 27 and 1/7 (C) 42 and 3/4 (D) 70

‎छवि ‏ا‎ 06॥2022-८