2101: Consider the following statements:
1. A geostationary satellite is at an approximate height of 10,000 km.
2. FM transmission of music is of very good quality because the atmospheric or man-made noises which are generally frequency variations can do little harm.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2
2102: The average annual temperature of a meteorological station is 26 degree Celcius, its average annual rainfall is 63 cm and the annual range of temperature is 9 degree Celcius. The station in question is
(a) Allahabad
(b) Chennai
(c) Cherrapunji
(d) Kolkata
2103: Which of the following has/have shrunk immensely/dried up in the recent past due to human activities ?
1. Aral Sea
2. Black Sea
3. Lake Baikal
Select the correct answer using the code given below :
(a) 1 only
(b) 2 and 3
(c) 2 only
(d) I and 3
2104: Which of the following stream systems dissects Aravalli range?
(a) Narmada, Son
(b) Banas, Luni
(c) Betwa, Koina
(d) Ganga, Saraswati
2105: Among the Indian states shown labelled 1, 2, 3 and 4 in the rough outline map given, the correct sequence of descending order of per cent of scheduled tribe population to their total population is :
(a) 1, 3, 2, 4
(b) 3, 1, 2, 4
(c) 3, 1, 4, 2
(d) 1, 3, 4, 2