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 21: In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth Options:
  A) 12345
  B) 15243
  C) 21345
  D) 53412
  E) 54321
  Show Answer
  The correct answer is B .
• Question 22: A few grams of dried soil were first heated until red hot and then further heated until no more smoke was released. This experiment was to determine Options:
  A) amount of water in soil
  B) percentage of water in soil
  C) presence of humus in soil
  D) resistance of laterities to heat
  E) release of smoke from the soil
  Show Answer
  The correct answer is C .
• Question 23:

  Ecological Zone	Temperature (oC)	Rainfall (mm)
  I	45	300
  II	32	2000
  III	30	2200
  IV	15	800

  From the table above high relative humidity will be expected in zones

  Options:
  A) I and III
  B) I and IV
  C) II and III
  D) II and IV
  Show Answer
  The correct answer is C .
• Question 24: Which of the following is not an excretory organ? Options:
  A) Lungs
  B) Kidney
  C) Leaf
  D) Large intestine
  E) Skin
  Show Answer
  The correct answer is C .
• Question 25:

  Which of the following statement about the similarities in plant and animal transport is correct?

  Options:
  A) Materials and hormones are transported in fluid form
  B) The transport medium is made up of only tissues
  C) Their materials are transported in the same vessels
  D) Diffusion is not required
  Show Answer
  The correct answer is A .
• Question 26: Mammals are capable of producing hypertonic urine mainly because of re-absorption in the Options:
  A) Bowmans capsule
  B) Urethra
  C) Ureter
  D) Loop of henle
  Show Answer
  The correct answer is D .
• Question 27: Which of the following is the correct order of the vertebrae along the spinal column? Options:
  A) Axis → atlas → thoracic → lumbar → cervical → sacral
  B) Atlas → cervical → axis → thoracic → lumbar→ sacral
  C) Atlas → axis → cervical → thoracic → lumbar → sacral
  D) Axis → atlas → cervical → thoracic → sacral → lumbar
  Show Answer
  The correct answer is C .
• Question 28: The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) is Options:
  A) from mother to child
  B) through blood transfusion
  C) through sexual intercourse
  D) through the sharing of needles
  Show Answer
  The correct answer is C .
• Question 29:

  The system of classification in which there are seven hierarchies from kingdom to species was introduced by?

  Options:
  A) Felix Dujardin
  B) Carolus Linneus
  C) Theodore Schwann
  D) Charles Darwin
  Show Answer
  The correct answer is B .
• Question 30: The influence of soil on organisms in a habitat is referred to as Options:
  A) Edaphic
  B) Physiographic
  C) Biotic
  D) Topographic
  Show Answer
  The correct answer is A .