276: Among the following States, which one has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production, and can develop an export oriented industry in this field?

(a) Andhra Pradesh
(b) Madhya Pradesh
(c) Arunachal Pradesh
(d) Uttar Pradesh
277: In which one of the following districts, have large reserves of diamond bearing kimberlite been discovered in the recent past ?

(a) Raipur
(b) Warangal
(c) Hoshangabad
(d) Sambalpur
278: 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
279: With reference to the river Luni, which one of the following statements is correct?

(a) It flows into Gulf of Khambhat

(b) It flows into Gulf of Kuchchh

(c) It flows into Pakistan and merges with a tributary of Indus

(d) It is lost in the marshy land of the Rann of Kuchchh
280: A body is attached to a spring balance suspended from a stand. The reading on the balance is 0.5 kg. The two together are detached from the stand and allowed to fall through a height. While falling the reading in the balance will be

(a) Zero

(b) Less than 0.5 kg but not zero

(c) More than 0.5 kg depending on the height

(d) 0.5 kg