2. Which of the following statements is/are correct with regard to Vitamin D: 1.Vitamin D is produced in the skin by ultraviolet light. 2.Higher levels of Vitamin D are associated with higher morbidity. 3.Body has no mechanism to prevent sunlight from producing too much Vitamin D.
1 & 3 only.
1 & 2 only.
2 & 3 only.
1, 2 & 3.

3. If the Arctic Ice was somehow replaced with dense forest, which of the following situation may arise:
It will accelerate Global Warming.
It will decelerate Global Warming.
It may or may not affect Global warming.
It will have no affect on Global Warming.

4. Recently Chinese scientists have developed Carbon Aerogel. Which of the following is/are correct about it: 1.It is the second lightest material after Graphite aerogel. 2.It has excellent elasticity. 3.It is expected to play an important role in pollution control. 4.It is expected to become ideal material for sound absorption.
2, 3 & 4 only.
2 & 4 only.
1 & 3 only.
1, 2, 3 & 4.

5. Lantana – know as Phool Lakhri in local parlance is a shrub found in abundance in Himachal Pradesh. Which of the following statements are correct about it? 1.It is a toxic weed and has affected the mountain diversity of the state. 2.Lantana species are widely cultivated for their flowers. 3.It is endemic to India. 4.It is considered as potential fire hazard and it is combustible even when green.
1, 2 & 4 only.
2 & 4 only.
1 & 3 only.
1, 2, 3 & 4.

Score =
Correct answers: