Waec Biology Past Questions For Year 2004
Question 11
The process by which a drop of ink spreads uniformly in a beaker of water is called
- A. absorption
- B. osmosis
- C. plasmolysis
- D. diffusion
Question 12
Green plants lose water to the atmosphere through the process of
- A. respiration
- B. photosynthesis
- C. transpiration
- D. translocation
Question 13
The products of respiration are
- A. nitrogen and water
- B. nitrogen and carbon dioxide
- C. water and oxygen
- D. carbon dioxide and water
Question 14
The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood
- A. directly from the heart
- B. from the liver to the heart
- C. from the small intestine to the liver
- D. from the liver to join the posterior vena cava
Question 15
Excessive bleeding from an injury may be due to lack of vitamin
- A. A
- B. B
- C. C
- D. K
