Waec Biology Past Questions For Year 2005
Question 51
If two parents are sickle cell carriers then their genotypes would be
- A. HbA HbA and HbS HbS
- B. . HbS BbS and HbS BbS
- C. HbA HbS and HbA HbS
- D. HbA HbA and HbA HbA
Question 52
If the pink colour of a petal is dominant over white what would be the colour of the flower of the F generation when a pure pink flowered plant is crossed with a white flowered plant?
- A. Purple
- B. Pink
- C. White
- D. Yellow
Question 53
A person with blood group B can only donate blood to individuals with blood groups
- A. A and B
- B. B and AB
- C. O only
- D. B only
Question 54
Which of the following is an example of physiological variation?
- A. Blood groups
- B. Skin colour
- C. Finger prints
- D. Human height
Question 55
A honey bee worker communicates with others on locating a source of food by
- A. dancing
- B. stinging
- C. instinct
- D. flares
