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 301: The sequence of the biomes in Nigeria from port Harcourt to Damaturu is Options:
  A) estuarine → rain forest → Guinea Savannah → Sahel Savannah
  B) rain forest → Guinea savannah → estuarine → desert
  C) estuarine → Guinea savannah → rain forest → Sahel savannah
  D) rain forest → estuarine → Guinea savannah → desert
  Show Answer
  The correct answer is A .
• Question 302: In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis? Options:
  A) Paramecium
  B) Euglena
  C) Amoeba
  D) Spirogyra
  Show Answer
  The correct answer is B .
• Question 303:

  

  In the diagram, which of the animals represents the oldest creatures in terms of evolutionary history?

  Options:
  A) iii
  B) ii
  C) i
  D) iv
  Show Answer
  The correct answer is D .
• Question 304: Fertilization in humans usually takes place in the Options:
  A) lower part of the uterus
  B) upper part of the uterus
  C) lower part of the oviduct
  D) upper part of the oviduct
  Show Answer
  The correct answer is D .
• Question 305:

  

  Ovoviparity is the type of fertilization exhibited by the organism labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is C .
• Question 306: A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because Options:
  A) Amoeba lives in freshwater
  B) Diffusion is sufficient to transport materials in Amoeba
  C) Amoeba lacks blood containing haemoglobin
  D) Amoeba exibits anaerobic respiration
  Show Answer
  The correct answer is B .
• Question 307: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .
• Question 308:

  The vessel carrying oxygenated blood to the tissues is

  Options:
  A) Arteries
  B) Ventricles
  C) Aorta
  D) Lung
  Show Answer
  The correct answer is A .
• Question 309: If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned? Options:
  A) 3
  B) 2
  C) 1
  D) None
  Show Answer
  The correct answer is B .
• Question 310: Organisms I, II, III and IV have surface/volume ratios of 1:2, 1:3, 1:4 and 1:5 respectively. The organism that is likely to have the most complex transport system is Options:
  A) IV
  B) III
  C) I
  D) II
  Show Answer
  The correct answer is A .