736: Which one of the following fuels causes minimum environmental pollution ?
(a) Diesel
(b) Coal
(c) Hydrogen
(d) Kerosene
737: Arrange the following three atmospheric layers starting from the surface of the earth
A. Stratosphere
B. Ionosphere
C. Troposphere
(a) A, B, C
(b) C, A, B
(c) A, C, B
(d) C, B, A
738: A candidate attempted 12 questions and secured full marks in all of them. If he obtained 60% in the test and all questions carried equal marks, then what is the number of questions in the test ?
739: Tides occur in the oceans and seas due to which among the following?
1. Gravitational force of the Sun
2. Gravitational force of the Moon
3. Centrifugal force of the Earth
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
740: Which one of the following High Courts has the Territorial Jurisdiction over Andaman and Nicobar Islands?
(a) Andhra Pradesh
(b) Calcutta
(c) Madras
(d) Orissa