Science Quiz Competition 13:

prepared by www.funscience.in

1. In Photosynthetic process, atmospheric carbon dioxide is _______ to carbohydrates
a) oxidised
b) Reduced
c) Neutralised
d) Burnt

Answer: b

2. When water enters the guard cells the stomata
a) Opens
b) Closes
c) Open or closes
d) No effect

Answer: a

3. On seeing good food our mouth waters. This fluid is actually
a) Water
b) Hormone
c) Enzyme
d) None of the above

Answer: c

4. The enzyme Pepsin is inactive in stomach without the presence of
a) Nitric Acid
b) Hydrochloric acid
c) Acetic acid
d) Butyric acid

Answer: b

5. Villi present on the inner lining of the intestinal wall
a) Secretes enzymes for digestion
b) Secretes hormones
c) Decreases the surface area for absorption
d) Increases the surface area for absorption


Answer: d