1601: One of the major towns in the Satavahana kingdom was
(a) Arikkamedu
(b) Pratishthana
(c) Korkkai
(d) Maski
1602: Assertion (A)
In our houses, the current in AC electricity line changes direction 60 times per second.
Reason (R):
The frequency of alternating voltage supplied is 60 hertz.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1603: Assertion (A) :
A tennis ball will bounce higher in Calcutta than it would in Shimla.
Reason (R) :
The downward pull due to gravity is less and air is more rarefied in Shimla than in Calcutta.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1604: Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves or no leaves
3. Thorns instead of leaves
Select the correct answer using the codes given below.
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 only
(d) 1, 2 and 3
1605: Which among the following pairs of places have most marked difference in total rainfall per annum even though located approximately along the same latitude?
(a) Bangalore and Madras
(b) Bombay and Visakhapatnam
(c) Ajmer and Shillong
(d) Nagpur and Calcutta