1836: Which one of the following ports handled the north Indian trade during the Gupta period ?
(a) Tamralipti
(b) Broach
(c) Kalyan
(d) Cambray
1837: Municipal water in India is generally treated with:
(a) Chlorine
(b) Potassium permanganate
(c) Sodium Chloride
(d) Sodium Carbonate
1838: With reference to 'stem cells', frequently in the news, which of the following statements is/are correct?
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
1839: Who among the following won the men's singles title at the World Badminton Championship in the year 2001?
(a) Gopichand
(b) Hendrawn
(c) Ji Xin Peng
(d) Peter Gade
1840: The best conceiving season for cows and buffaloes is:
(a) Summer
(b) Winter
(c) Spring
(d) There is no definite relationship between conceiving and season