What do deciduous trees do?

1. What metal impurity makes rubies red and emeralds green?
Chromium
Copper
Crocoite
All of the above

Ans: Chromium

2. When is world Ozone day is celebrated?
September 16th
November 16th
November 14th
November 5th

Ans: September 16th

3. Ageusia is the loss of which sense?
Smell
Sense in Foot
Taste
Sense in Skin

Ans: Taste

4. In the year 2011 the United Nations has designated the International Year of what?
Forests
Biodiversity
Youth
Child

Ans: Forests

5. What do deciduous trees do?
Colours of the leaves will change
Lose their leaves in Summer
Lose their leaves in winter
The Trees will grow faster

Ans: Lose their leaves in winter