4586: Which one of the following ports of India handles the highest tonnage of import cargo ?
(a) Calcutta
(b) Kandla
(c) Mumbai
(d) Visakhapatnam
4587: Atoms of the same element having the same atomic number but different atomic weight are called
(a) Isobars
(b) Isotopes
(c) Polymers
(d) Isomers
4588: Genetically modified "golden rice" has been engineered to meet human nutritional requirements. Which one of the following statements best qualifies golden rice ?
(a) Its modified genes cause the fortification of its grains with vitamin D grains have been fortified with genes to provide three times higher grain yield per
(b) Its modified genes cause the synthesis of all the nine essential amino acids
(c) The grains have been fortified with genes to provide three times higher grain yield per acre than other high yielding varieties
(d) Its grains contain pro-vitamin A which upon ingestion is converted to vitamin A in the human body
4589: A fertile-soil, suitable for growing common crops, is likely to have a pH value of
(a) three
(b) four
(c) six to seven
(d) nine to ten
4590: Rajya Sabha can delay the Money Bill passed by the Lok Sabha for a period not exceeding:
(a) 9 days
(b) 14 days
(c) 15 days
(d) 30 days