Waec Biology Past Questions
Question 1931
The ability of some individuals to taste phenylthiocarbamide (PTC) is a
- A. morphological adaptation
- B. morphological variation
- C. physiological adaptation
- D. physiological variation
Question 1932
The theory of evolution by natural selection was first put forward by
- A. Aristotle
- B. Darwin
- C. Linnaeus
- D. Boyle
Question 1933
Which of the following is not included in the theory of natural selection?
- A. struggle for existence
- B. offspring show variation
- C. inheritance of adaptive structures
- D. disappearance of functionless organs
Question 1934
Which of the following organisms exhibit division of labour?
- A. houseflies
- B. butterflies
- C. cockroaches
- D. termites
Question 1935
Which of the following statements is correct about the chromosomes in the gametes? At the end of the second
meiotic division
- A. each gamete contains only paternal hereditary information
- B. chromosomes contain a random mixture of paternal and maternal chromosomes.
- C. chromosomes in the four gamete cells are diploid in number
- D. chromosomes contain only maternal hereditary information
