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 701: A flowering plant is monoecious if Options:
  A) The androecium is found on one plant
  B) The gynoecium is monocarpous
  C) It produce essential organ
  D) The gynoecium and androecium are on the same plant
  E) The flowers are unisexual
  Show Answer
  The correct answer is D .
• Question 702: The movement of blood between the heart and all other parts of the body besides the lung is known as Options:
  A) systemic circulation
  B) closed circulatory system
  C) pulmonary circulation
  D) single circulation system
  Show Answer
  The correct answer is A .
• Question 703:

  Which of the following is NOT regarded as a pollutanton land or in the air?

  Options:
  A) Smoke
  B) Nitrogen
  C) Noise
  D) Sulphur dioxide
  Show Answer
  The correct answer is B .
• Question 704: Alkaline pyrogallol was used in an experiment. That experiment must have been connected with Options:
  A) Excretion
  B) Germination
  C) Transpiration
  D) Digestion
  E) Photosynthesis
  Show Answer
  The correct answer is E .
• Question 705:

  The organic molecule(s) present in the nucleus is/are

  Options:
  A) DNA
  B) Protein, DNA, RNA
  C) ATP and RNA
  D) RNA
  Show Answer
  The correct answer is A .
• Question 706:

  

  Use the diagram to answer the question that follows:

  The instrument is used to measure

  Options:
  A) atmospheric pressure
  B) relative humidity
  C) direction of wind
  D) speed of wind
  Show Answer
  The correct answer is D .
• Question 707: Which of the following ions is involved in the conduction of the nerve impulse? Options:
  A) Ca²⁺
  B) K⁺
  C) H⁺
  D) Mg²⁺
  Show Answer
  The correct answer is B .
• Question 708:

  

  In the diagram, if species i, ii and iii interact in a community, which of the following statement is true?

  Options:
  A) the population of species ii is growing at a slow rate
  B) the population of species iii has reached its carrying capscity?
  C) the population of species I has become extinct
  D) the population of species I is always
  Show Answer
  The correct answer is C .
• Question 709: Which of the following serves as the brain box in man Options:
  A) skeleton
  B) skull
  C) head
  D) spinal column
  Show Answer
  The correct answer is B .
• Question 710: What is the function of Trichocyst in paramecium? Options:
  A) Movement
  B) Defence
  C) Excretion
  D) Reproduction
  Show Answer
  The correct answer is B .