Biology Past Questions And Answers
Which of these materials is not required for insect collection in an ecological field-trip?
- A. Pooter
- B. Secchi disc
- C. Spreading board
- D. Jar containing alcohol
Which of the following statements is true regarding the urinary tubule in the excretory system?
- A. The urinary tubule is responsible for the production of urine
- B. The urinary tubule regulates the water and electrolyte balance in the body
- C. The urinary tubule connects the kidneys to the bladder
- D. The urinary tubule is the site of filtration of blood
Which of the following statements is not associated with pyramids of energy?
- A. Efficiency of energy transfer between trophic levels can be studied
- B. Comparisons of pyramids for different ecosystems can be made
- C. More accurate comparisons of trophic levels
- D. Representation of numbers of organisms at different trophic levels
Muscle fatigue in the body of an athlete is due to__________
- A. low pH
- B. high oxygen content
- C. accumulation of lactic acid
- D. accumulation of carbonic acid
In Nigeria, Southern Guinea Savanna is found in
- A. Borno and Sokoto
- B. Kogi and Kwara
- C. Kaduna and Cross River
- D. Kano and Niger
Protection of the body cells of mammals against ultra-violet rays of the sun is brought about by
- A. keratin
- B. melanin
- C. sebum
- D. scales
Which of these is not associated with the movement of the toad, reptile or bird?
- A. Hopping
- B. Bopping
- C. Flapping
- D. Pecking
Which of the following describes a symbiotic relationship between two organisms in which one organism benefits and the other is harmed?
- A. Commensalism
- B. Mutualism
- C. Parasitism
- D. Divergent evolution
The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the
- A. collar bones and coccyx
- B. pectoral and pelvic girdles
- C. scapulae and clavicles
- D. vertebrae and sternum
What happens to an ovule of a flower, after fertilization? It
- A. becomes a fruit
- B. withers away
- C. becomes a seed
- D. forms the cotyledons