3861: If A = x2 - y2. B = 20 and x + y = 10, then
(a) A is greater than B
(b) B is greater than A
(c) A is equal to B
(d) It is not possible to compare A and B as the data provided is inadequate
3862: In the middle of the year 2008 the Parliament of which one of the following countries became the first in the world to enact a Climate Act by passing "The Climate Change Accountability Bill"?
(a) Germany
(b) Canada
(c) Australia
(d) Japan
3863: Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
3864: Which one of the following is printed on a commonly used fluorescent tubelight ?
(a) 220 k
(b) 273 k
(c) 6500 k
(d) 9000 k
3865: Consider the following statements:
1. Non-function of lachrymal gland is an important symptom of deficiency of Vitamin A.
2. Deficiency of Vitamin B1 can lead to indigestion and heart enlargement.
3. Vitamin C deficiency can lead to pain in the muscles.
4. Deficiency of Vitamin D causes increased loss of Ca++ in urine.
Which of the statements given above are correct?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4