466: Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
467: The number of times in a day the Hour-hand and the Minute-hand of a clock at right angles is
(a) 44
(b) 48
(c) 24
(d) 12
468: Which of the following is not a member of `Gulf Cooperation Council?
(a) Iran
(b) Saudi Arabia
(c) Oman
(d) Kuwait
469: Lord Wellesley greatly extended the British dominion in India through:
(a) Doctrine of Lapse
(b) Subsidiary Alliance
(c) Partitioning of Indian States
(d) Annexing the princely States
470: Consider the following regions:
1. Eastern Himalayas
2. Eastern Mediterranean region
3. North-western Australia
Which of the above is/are Biodiversity Hotspot(s)?
(a) 1 only
(b) 1 and 2 only
(c) 2 & 3 only
(d) 1, 2, 3