Biology 2019 Past Questions | WAEC

Study the following Biology past questions and answers for JAMBWAEC  NECO and ICAN. Get prepared with official past questions and answers for upcoming examinations.

  1. Which of the following structures will NOT be found in the nucleus of a cell?
  • A. DNA
  • B. Nucleolus
  • C. Lysosome
  • D. Centriole

2. An example of organ level of organization is _______

  • A. bird
  • B. kidney
  • C. spermatozoon
  • D. xylem

3. A structural similarity between Paramecium and Amoeba is the presence of______

  • A. one food vacuole
  • B. two contractile vacuoles
  • C. two nuclei
  • D. one gullet

4.  1

The classes of plants the root systems in diagrams I and II above represent respectively are______________

  • A. Dicotyledoneae and Monocotyledoneae
  • B. Monocotyledoneae and Dicotyledoneae
  • C. Dicotyledoneae and Dicotyledoncae
  • D. Monocotyledoneae and Monocotyledoneae


5. The diagram above is an illustration of a stage in a biological process. Study it and answer this question

What stage of cell division is illustrated in the diagram?

  • A. Prophase
  • B. Metaphase
  • C. Anaphase
  • D. Telophase

6. The part labelled I is the________

  • A. centromere
  • B. spindle fibre
  • C. centriole
  • D. chiasmata

7. The rate of diffusion of molecules between two media will be higher if_________

  • A. the difference in concentration of the two media is low
  • B. the difference in concentration of the two media is negligible
  • C. the difference in concentration of the two media is high
  • D. there is no difference in the concentration of the two media

8. Anaerobic respiration in the organism illustrated in the diagram above produces carbon dioxide and________

  • A. ethanol
  • B. water
  • C. oxygen
  • D. glucose

9. Underground storage stems which grow horizontally in the soil are_______

  • A. bulbs
  • B. runners
  • C. rhizomes
  • D. corms

10. 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

11. The heart can beat continuously without being fatigued because it is composed of________

  • A. skeletal muscles
  • B. smooth muscles
  • C. cardiac muscles
  • D. renal muscles

12. The products of tissue respiration are_________

  • A. glucose, oxygen, and water
  • B. oxygen, water, and energy
  • C. glucose, carbon dioxide, and energy
  • D. water, carbon dioxide, and energy

13. Excretory products in plants responsible for the discoloration of flowers are called__________

  • A. alkaloids
  • B. tannins
  • C. anthocyanins
  • D. resins

14. The process of maintaining a steady internal environment is known as__________

  • A. osmoregulation
  • B. equilibration
  • C. homeostasis
  • D. plasmolysis

15. Which of the following statements is not true about hormones?

  • A. Their responses are voluntary
  • B. They may affect more than one target organ
  • C. They are chemical messengers in animals
  • D. They are transported by the blood to the target organs

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