Waec Biology Past Questions For Year 2004
Question 26
The structure labelled VIII in the diagram is responsible for
- A. vision
- B. involuntary actions
- C. speech
- D. voluntary action
Question 27
An organism is considered a heterotroph when it
- A. feeds on inorganic food
- B. feeds on already manufactured food
- C. fixes atmospheric nitrogen
- D. respires anaerobically
Question 28
The deficiency of vitamin D and calcium ions in the diet of a human causes
- A. anaemia
- B. night-blindness
- C. kwashiokor
- D. rickets
Question 29
Which of the following is not true about a potted plant left in the laboratory for one week without watering?
- A. the cells of the plant will be turgid
- B. there will be wilting of the plant
- C. the leaves are likely to tum yellow
- D. plant will not take in enough nutrients
Question 30
The deficiency of manganese in plants results in?
- A. death of shoot
- B. leaves turning yellow
- C. stunted growth
- D. poor root development
