1986: With reference to the blood in a normal person, which one of the following statements is correct?
(a) Compared to arteries, veins are less numerous and hold less of the body's blood at any given time
(b) Blood cells constitute about 70 per cent of the total volume of the blood
(c) White Blood Cells (WBC) are made by lymph nodes only
(d) The blood has more platelets than WBC
1987: INS Trishul acquired by the Indian Navy in 2003 has been built by:
(a) Israel
(b) USA
(c) Russia
(d) France
1988: In the year 2001, Germany approved a $32 million credit to India
(a) to promote primary education in selected states
(b) for Tehri dam project
(c) to assist in the development of nuclear
(d) for oceanographic research
1989: Consider the following Viceroys of India during the British rule:
1. Lord Curzon
2. Lord Chelmsford
3. Lord Hardinge
4. Lord lrwin
Which one of the following is the correct chronological order of their tenure?
(a) 1-3-2-4
(b) 2-4-1-3
(c) 1-4-2-3
(d) 2-3-1-4
1990: Heavy rainfall affects soil by:
(a) Increasing its acidity
(b) Increasing its alkalinity
(c) Reducing its fertility
(d) None of these