Waec Biology Past Questions For Year 2004
Question 16
The xylem elements perform the function of transport but they also help to support plants because they
- A. are internally located
- B. are tubular
- C. have rigid thick walls
- D. constantly absorb water
Question 17
The structure labelled l in the diagram above is the
- A. cerebellum
- B. cerebrum
- C. olfactory lobe
- D. medulla oblongata
Question 18
Which of the following structures occupies the neural canal of the vertebral column?
- A. cerebellum
- B. hypothalamus
- C. medulla oblongata
- D. spinal cord
Question 19
Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?
- A. thyroxine
- B. insulin
- C. secretin
- D. testosterone
Question 20
A urine sample of a patient, tested with Benedict/Fehling solution, gave an orange colored precipitate,
indicating the presence of
- A. glucose
- B. sucrose
- C. lactose
- D. maltose
