1496: Which one of the following fuels causes minimum environmental pollution ?

(a) Diesel

(b) Coal

(c) Hydrogen

(d) Kerosene
1497: Arteries supplying blood to the heart are called

(a) carotid arteries
(b) hepatic arteries
(c) coronary arteries
(d) pulmonary arteries
1498: If safe storage is to be ensured, the moisture content of food grains at the time of harvesting should not be higher than

(a) 14%

(b) 16%

(c) 18%

(d) 20%
1499: Which reference to the Indian economy, consider the following activities:

1. Agriculture, Forestry and Fishing
2. Manufacturing
3. Trade, Hotels Transport and Communication
4. Financing, Insurance, Real Estate and Business services

The decreasing order of the contribution of these sectors to the Gross Domestic Product (GDP) at factor cost at constant prices (2000-01) is

(a) 3, 1, 2, 4
(b) 1, 3, 4, 2
(c) 3, 4, 1, 2
(d) 1, 3, 2, 4
1500: Survey of India is under the Ministry of

(a) Defence

(b) Environment and forests

(c) Home Affairs

(d) Science and Technology