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 421: In which of the following species is the biomass of an individual the smallest? Options:
  A) Tilapia sp
  B) Agama sp
  C) Bufo sp
  D) Spirogvra sp
  Show Answer
  The correct answer is D .
• Question 422: Which of the following is NOT a method of conserving wild life? Options:
  A) Indiscriminate poaching
  B) Establishment of zoological gardens
  C) Enacting wildlife conservation laws
  D) Establishment of game reserves
  Show Answer
  The correct answer is A .
• Question 423: Which of the following cell constituents is NOT common in both plants and animals? Options:
  A) Mitochondria
  B) Chloroplast
  C) Ribosomes
  D) Golgi apparatus
  E) Vacuoles
  Show Answer
  The correct answer is B .
• Question 424: Which set of disease is spread mainly by insect vectors? Options:
  A) Cholera, tenia and gonorrhoea
  B) Poliomyelitis, tuberculosis and syphilis
  C) Cholera, malaria and tuberculosis
  D) Malaria, cholera and river blindness
  Show Answer
  The correct answer is D .
• Question 425: Gregor Mendel is regarded as the father of ______ Options:
  A) variation
  B) genetics
  C) mycology
  D) natural selection
  Show Answer
  The correct answer is B .
• Question 426:

  Viruses are pathogens of the following diseases except

  Options:
  A) Tuberculosis
  B) Measles
  C) Small pox
  D) Poliomyelitis
  Show Answer
  The correct answer is A .
• Question 427: The common thing in plant and animal cell is Options:
  A) chloroplast
  B) cell wall
  C) nucleus
  D) centrioles
  Show Answer
  The correct answer is C .
• Question 428:

  Which processes are involved in nutrient cycling in a functioning ecosystem?

  Options:
  A) Erosion, weathering, and sedimentation
  B) Decomposition, evaporation, and precipitation
  C) Nitrogen fixation, denitrification, and ammonification
  D) Respiration, photosynthesis, and transpiration
  Show Answer
  The correct answer is C .
• Question 429: In animals, meiosis comes Options:
  A) after fertilization
  B) after ever mitotic division
  C) before fertilization
  D) before every mitotic division
  Show Answer
  The correct answer is D .
• Question 430: A group of organisms of the same kind inhabiting the same environment is called Options:
  A) ecosystem
  B) habitat
  C) population
  D) species
  Show Answer
  The correct answer is D .