321: Consider the following statements with reference to the Periodic Table of chemical elements :
I. lonisation potential gradually decreases along a period.
II. In a group of elements, electron affinity decreases as the atomic weight increases.
III. In a given period, electronegativity decreases as the atomic number increases.
Which of these statement(s) is/are correct ?
(a) I only
(b) II only
(c) I and III
(d) II and III
322: As regards the use of international food safety standards as reference point for the dispute settlements, which one of the following does WTO collaborate with?
(a) Codex Alimentarius Commission
(b) International Federation of Standard Users
(c) International Organization for Standardization
(d) World Standards Cooperation
323: Who represented India at the Chicago Conference of World Religions in 1893?
(a) Swami Vivekananda
(b) Swami Dayananda
(c) Swami Abhedananda
(d) Ramakrishna Paramhansa
324: A rectangular piece of iron sheet measuring 50 cm by 100 cm is rolled into a cylinder of height 50 cm. If the cost of painting the cylinder is Rs. 50 per square metre, then what will be the cost of painting the outer surface of the cylinder ?
(a) Rs. 25.00
(b) Rs. 37.50
(c) Rs. 75.00
(d) Rs. 87.50
325: Consider the following pairs: National Park River flowing through the Park
1. Corbett National Park : Ganga
2. Kaziranga National Park : Manas
3. Silent Valley National Park : Kaveri
Which of the above pairs is/are correctly matched?
(a) 1 and 2
(b) 1 and 3
(c) 3 only
(d) None