1836: Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

(a) Potassium, Manganese, Molybdenum & Calcium
(b) Potassium, Molybdenum, Copper & Calcium
(c) Potassium, Sodium, Magnesium & Calcium
(d) Sodium, Magnesium, Copper & Manganese
1837: Match List I with List II and select the correct answer using the codes given below the Lists :

List I List II

(Important Day) (Date)

I. World Environment Day (A) March 20
II. World Forestry Day (B) June 5
III. World Habitat Day (C) September 16
IV. World Ozone Day (D) October 3
(E) December 10
Codes:

(a) I-B, II-A, III-D, IV-E
(b) I-A, II-B, III-D, IV-C
(c) I-A, II-B, III-C, IV-D
(d) I-B, II-A, III-D, IV-C
1838: Which one of the following statements is correct ?

(a) Kacchativu and Tin Bigha were territories acquired by the Indian Republic from the French
(b) Kacchativu and Tin Bigha are territories handed over to Sri Lankan and Bangladeshi sovereignty respectively by the Government of India
(c) Kacchativu and Tin Bigha are areas that were annexed by the Chinese in the 1962 Sino-Indian War
(d) Kacchativu and Tin Bigha are enclaves which were transferred to India by lease arrangements with Sri Lanka and Pakistan respectively
1839: Mekong-Ganga Cooperation Project is

(a) an irrigation project involving India and Myanmar
(b) a joint tourism initiative of some Asian countries
(c) a hydroelectric power project involving India, Bangladesh and Myanmar
(d) a defence and security agreement of India with its eastern neighbours
1840: I have nothing to offer but blood, toil, tears and sweat. Who said this?

(a) Winston Churchill

(b) Jawaharlal Nehru

(c) Mahatma Gandhi

(d) Mao Tse-Tunq