1496: Isohyets are the lines drawn on a map connecting points having:

(a) Equal temperature

(b) Equal height

(c) Equal atmospheric pressure

(d) Equal rainfall
1497: Who among the following have been the Union Finance Ministers of India ?

1. V. P. Singh
2. R. Venkattaraman
3. Y. B. Chavan
4. Pranab Mukherjee

Select the correct answer using the codes given below :

(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
1498: Which of the following can be inferred from the statement that "Either John is stupid or John is lazy" ?

I. John is lazy / therefore, John is not stupid.

II. John is not lazy / therefore, John is stupid.

III. John is not stupid / therefore, John is lazy.

IV. John is stupid / therefore, John is not lazy.

Choose the correct answer from the codes given below :

Codes :

(a) I and II

(b) II and III

(c) III and IV

(d) I and IV
1499: Which one of the following pairs of metals constitutes the lightest metal and the heaviest metal, respectively?

(a) Lithium and mercury

(b) Lithium and osmium

(c) Aluminium and osmium

(d) Aluminium and mercury
1500: What was the reason for 5 lakh people of Hong Kong to make a demonstration around the middle of 2003?

(a) They were demanding tax relief.
(b) They were against the Hong Kong Government's plan to impose an internal security law.
(c) They were the members of Falun Gong group who were demanding religious freedom.
(d) They were demanding more direct elections in Hong Kong.