1771: Unit of distance used in navigation is:
(a) Nautical mile
(b) Kilometre
(c) Light year
(d) Yard
1772: Which one of the following pairs is not correctly matched?
(a) Bahamas : Nassau
(b) Costa Rica : San Jose
(c) Nicaragua : Belmopan
(d) Dominican Republic : Santo Domingo
1773: 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
1774: Stainless steel contains which of the following?
(a) Aluminium and Zinc
(b) Chromium and Carbon
(c) Zinc and Mercury
(d) Copper and Cadmium
1775: The thermoregulatory centre of the man body is
(a) Pituitary
(b) Skin
(c) Hypothalamus
(d) Thyroid