2496: A balloon filled with air is weighed (W) so that it just floats in water as shown in the figure. When it is further pushed by a short distance in water, it will:
(a) Sink to the bottom.
(b) Stay at the depth where it stands submerged.
(c) Come back to its original position.
(d) Sink down a little further but will not reach the bottom.
2497: Consider the following statements regarding blood pressure :
1. It is the pressure exerted by the blood on the walls of any vessel
2. It decreases in the arteries as the distance from the heart increases
3. It is lower in the capillaries than in the arteries
4. It is usually lower in women than in men.
Of these statements
(a) 1 and 4 are correct
(b) 2, 3 and 4 are correct
(c) 1, 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
2498: Which one of the following statements is correct?
(a) Prions are the smallest free-living cells
(b) The cell wall of Mycoplasmas is made up of amino sugars
(c) Viroids consist of a single-stranded RNA molecule
(d) Rickettsias lack cell wall
2499: Consider the following statements:
1. The discussions in the Third Round Table Conference eventually led to the passing of the Government of India Act of 1935
2. The government of India Act of 1935 provided for the establishment of an All India Federation to be based on a Union of the provinces of British India and the Princely States.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2500: Which one of the following was the name of salt tax in ancient India under the administration of Cholas?
(a) Bhaga
(b) Uppayam
(c) Valiayam
(d) Hiranya