4186: Match List-I (Indian Scientist/Scholar) with List-II (Area of work) and select the correct answer using the code given below the lists :
List I
A. C.N.R. Rao
B. Jagdish Bhagwati
C. G.N. Ramchandran
D. Ashok
List II
1. Telecommunication
2. Physics
3. Economics
4. Solid State Chemistry and Material Science
Codes :
A B C D
(a) 4 3 2 1
(b) 2 1 4 3
(c) 4 1 2 3
(d) 2 3 4 1
4187: The process of light exposure in a 24-hour cycle that controls the growth and development of certain plants and animals is called:
(a) Photosynthesis
(b) Photoionisation
(c) Photoperiodism
(d) Photoluminescence
4188: A person purchases 100 pens at a discount of 10%. The net amount of money spent by the person to purchase the pens is Rs. 600. The selling expenses incurred by the person are 15% on the net cost price. What should be the selling price for 100 pens in order to earn a profit of 25%?
(a) 862.50
(b) 802.50
(c) 811.25
(d) 875
4189: The Basque people who are frequently in the news for their separatist activity live in
(a) France
(b) Italy
(c) Portugal
(d) Spain
4190: Consider the following statements:
1. Smart Card is a plastic card with an embedded microchip.
2. Digital technology is primarily used with new physical communication medium such as satellite and fiber optics transmission.
3. A digital library is a collection of documents in an organised electronic form available on the internet only.
Which of the statements given above is/are correct?
(a) 3 only
(b) 1 and 2
(c) 2 and 3
(d) 1, 2 and 3