721: The emerging trading blocs in the world, such as NAFTA, ASEAN and the like, are expected to
(a) act as constrictions in free trade across the world
(b) promote free trade on the lines laid down by the WTO
(c) permit transfer of technology between member countries
(d) promote trade in agricultural commodities between countries of the North and South
722: Consider the following statements:
1. Silent Valley national Park is in the Nallamalai range.
2. Pathrakkadavu Hydroelectric Project is proposed to be built near the Silent Valley national Park.
3. The Kunthi river originates in Silent Valley's rainforests.
Which of the statements given above is/are correct?
(a) 2 only
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
723: Which of the following is not a seed-borne disease?
(a) Brown leaf spot of rice
(b) Black arm of cotton
(c) Red rot of sugarcane
(d) Potato mosaic
724: Match List I with List II and select the correct answer by using the codes given below the lists :
List I------------ List II
I. Chittagong Armoury raid----(A) Lala Hardayal
II. Kakori Conspiracy--------(B) Jatin Das
III. Lahore Conspiracy------(C) Surya Sen
IV. Ghadr Party-------------(D) Ram Prasad Bismil
----------(E) Vasudeo Phadke
Codes:
(a) I-C, II-D, III-A, IV-E
(b) I-D, II-C. III-B, IV-E
(c) I-C, II-D, III-B, IV-A
(d) I-B, II-D, III-C, IV-A
725: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Hawk
(b) Food crop
(c) Snake
(d) Rat