Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 1981: The major function of contractile vacuole in amoeba is Options:
  A) to secrete enzyme to digest food particles
  B) to store excess food materials
  C) to excrete nitrogenous waste
  D) to absorb water from the surrounding
  E) to collect and expel water in the cytoplasm
  Show Answer
  The correct answer is E .
• Question 1982: The product after the union of the male and female gamete in animals is called Options:
  A) sperm
  B) egg
  C) embryo
  D) zygote
  Show Answer
  The correct answer is D .
• Question 1983:

  

  Use the diagram above to answer this question.

  The part labelled lV is responsible for

  Options:
  A) osmoregulation
  B) respiration
  C) ingestion
  D) locomotion
  Show Answer
  The correct answer is A .
• Question 1984:

  The function of ribosome in cells is

  Options:
  A) protein synthesis
  B) starch synthesis
  C) transport of material
  D) lipid storage
  Show Answer
  The correct answer is A .
• Question 1985: The annulus of fern sporangium helps in Options:
  A) spore dispersal
  B) conduction of mineral salt
  C) trapping of light energy
  D) water retention
  Show Answer
  The correct answer is A .
• Question 1986:

  In the root vascular system, the stele is directly surrounded by the

  Options:
  A) pericycle
  B) cortex
  C) endodermis
  D) parenchyma
  Show Answer
  The correct answer is C .
• Question 1987:

  Sources of air pollutants are

  Options:
  A) industrial chimneys, burning fossil oils and river dams
  B) sulphurdioxide, acid rain and pesticides
  C) sulphur dioxide, vehicle exhausts, and aerosols
  D) sewage,smoke and old vehicles
  Show Answer
  The correct answer is C .
• Question 1988: One reason for the success of Mendel's work is that the Options:
  A) was the first to carry out research work on modern genetics
  B) introduced quantitative and qualitative elements into his work
  C) selected two characteristics only at a time for study
  D) drew up his laws of inheritance based on his knowledge of chromosomes
  Show Answer
  The correct answer is D .
• Question 1989: Which one of the following statements about the mammalian kidney is false? Options:
  A) The glomerulus is formed by a branch of the renal artery
  B) The glomerulus is a part of uniferous tubules
  C) Tha bowmans capsule is in the cortex of the kidney
  D) The uniferous tubules are richly supplied with blood vessels
  E) The glomerulusis lodged in the bowmans capsule
  Show Answer
  The correct answer is B .
• Question 1990: The endoplast cells found in hydra are used for Options:
  A) reproduction
  B) offence and defence
  C) locomotion and nutrition
  D) food collection
  Show Answer
  The correct answer is A .