1681: Three important micronutrients essential for humans are
(a) Copper, zinc and iodine
(b) Zinc, copper and potassium
(c) Nitrogen, molybdenum and iodine
(d) Sulphur, copper and iron
1682: Oxygen transportation in a human body takes place through
I. Blood
II. Lungs
III. Tissue
The correct sequence of transportation is
(a) I, II, III
(b) III, I, II
(c) II, I, III
(d) I, III, II
1683: In a group of five persons A, B, C, D and E, there is a professor, a doctor and lawyer. A and D are unmarried ladies, and do not work. Of the married couple in the Group, E is the husband. B is the brother of A and is neither a doctor nor a lawyer. Who is the professor ?
1684: Which one of the following Himalayan passes was reopened around in the middle of the year 2006 to facilitate trade between India and China ?
(a) Shipki La
(b) Jara La
(c) Chang La
(d) Nathu La
1685: The monthly income of Komal and Asha are in the ratio of 4 : 3. Their monthly expenses are in the ratio of 3 : 2. However, both save Rs. 600 per month. What is their total monthly income ?
(a) Rs. 8,400
(b) Rs. 5,600
(c) Rs. 4,200
(d) Rs. 2,800