Figure shows the volume (V) vs Temperature (T) graphs for certain amount of perfect gas at two pressure P1 and P2 Then.

1) P1=P2
2) P1 > P2
3) P1 < P2
4) P1 ≥ P2

The composition of the equilibrium mixture (Cl₂?2Cl)which is attained at 1200?C is determined by measuring the rate of effusion through a pinhole . It is observed that at 1.80 mm Hg pressure , the mixture effuses 1.16 times as fast as krypton effuses under the same conditions. Calculate the fraction of chlorine molecules dissociated anto atoms.(Atomic wt of Kr = 84)

1)13.7%
2)13%
3)12%
4)10%

In a human being, the number of cranial nerves are

 (1) 20 pairs
 (2) 6 pairs
 (3) 12 pairs
 (4) 10 pairs

Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8N/m². The radii of bubbles A and B are 2 cm and 4 cm, respectively. Surface tension of the soap-water used to make bubbles is 0.04 N/m. Find the ratio nB/nA, where nA and nB are the number of moles of air in bubbles Aand B, respectively. [Neglect the effect of gravity.]

1) 2
2) 4
3) 6
4) 8

Regarding Chrysophytes which of the following is not a feature:

(1) photosynthetic
(2) float passively in water currents
(3) diatoms and desmids
(4)  none of the above

An object weighing 15 newtons is lifted from the ground to a height of 0.22 meter. The increase in the object’s gravitational potential energy is approximately
 
 1) 310 J
 2) 32 J
 3) 3.3 J
 4) 0.34 J

In Rutherford scattering experiment, the correct angle of scattering of alpha particles for impact parameter equal to zero is:
1. 0°
2. 90°
3. 180°
4. 270°

Hypokinetic Hypoxia concerned to

1)     Reduced blood flow rate      

2)     Low O_2– content in blood

3)     Low O₂ in artery                                     

4)     Low oxygen content in venous blood

The substance produced by sperm to dissolve egg membrane is
 1) Fertilizine
 2) Sperm lysin
 3) Anti fertilizin
 4) Hyaluronidase

The Kung tribe living in the Kalahari desert of South Africa depend for their food needs on the seeds of

1) Cereus grandiflorus
2) Ananas comosus
3) Bauhinia esculenta 
4) Welwitschia mirabilis