1976: The path of Halley's comet in its orbit around the sun is
(a) Parabolic
(b) Hyperbolic
(c) Elliptical
(d) Circular
1977: Consider the following passage:
In the course of a career on the road spanning almost thirty years, he crossed the breadth of the Eastern hemisphere, visited territories equivalent to about 44 modern countries, and put behind him a total distance of approximately 73,000 miles.
The world's greatest traveller of pre-modern times to whom the above passage refers is
(a) Megasthenes
(b) Fa-Hien
(c) Marco Polo
(d) Ibn Battuta
1978: Consider the following statements :
I. Maharashtra has the highest acreage under jawar in India.
II. Gujarat is the largest producer of groundnut in India.
III. Rajasthan has the largest area of cultivable wastelands in India.
IV. Andhra Pradesh has the highest per hectare yield of maize in India.
Which of these statements are correct ?
(a) I and IV
(b) II and III
(c) I and III
(d) II and IV
1979: Microbial fuel cells are considered a source of sustainable energy, Why ?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the Statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
1980: Where was world's largest ever meet on HIV AIDS held in July, 2004?
(a) Singapore
(b) Bangkok
(c) Rome
(d) New York