The body uses vitamin A for which of the following purposes?
A. Vision, bone and body growth
B. Immune defenses, maintenance of body linings & skin
C. Normal cell development and reproduction
D. All of the above
These are typical food sources of vitamin A:
A. Milk, Eggs, Butter, Cheese, Cream & Liver
B. White sugar, Honey & sugar cane
C. Broccoli, Apricots, Cantaloupe, Carrots, Sweet potato, Spinach
D. Both A and C
When creating new red blood cells, how does the vitamin folate interact with other factors?
A. Vitamin D
B. Vitamin A
C. Vitamin B-12
D. None of the above
How much time for sunlight to reach the Earth?
A. 700 sec
B. 8hrs 20 mins
C. 8 mins 20 sec
D. 8 mins
What kind of mirrors are utilized in automobiles?
A. Concave
B. Convex
C. Plains
D. Reflective
How much distance is between the Earth & the Moon?
A. 3,50,000km
B. 3,60,100km
C. 3,72,000km
D. 3,84,400km
What is the study of “ornithology”?
A. Birds
B. Insects
C. Sea Plants
D. Sea Animals
The unit of ‘Bar’ is..?
A. Temperature
B. Heat
C. Atmospheric pressure
D. Current
What does one joule equal in terms of energy?
A. 10^5 ergs
B. 10^3ergs
C. 10^7 ergs
D. 10^11 ergs
What element(s) is photochemical smog’s yellow color caused by?
A. Sulphur dioxide
B. Carbon dioxide
C. Nitrogen dioxide
D. CFC’s