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 2161: The end product of glycolysis in plants and animals is Options:
  A) pyruvic acid
  B) citric acid
  C) aspartic acid
  D) malic acid
  Show Answer
  The correct answer is A .
• Question 2162: The chamber of the mammalian heart with the thickest wall is the Options:
  A) right ventricles
  B) left auricle
  C) right auricle
  D) left ventricle
  Show Answer
  The correct answer is D .
• Question 2163:

  I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores.

  Which of the above are ways in which desert animals adapt to extreme heat of the environment?

  Options:
  A) I and IV only
  B) ll and lll only
  C) l and ll only
  D) l, ll and lll only
  Show Answer
  The correct answer is B .
• Question 2164: An evidence of the relationship between living organisms and their extinct relatives can best be obtained from Options:
  A) embryology
  B) comparative anatomy
  C) comparative physiology
  D) palaeontology
  Show Answer
  The correct answer is D .
• Question 2165:

  A distinguishing feature of mammals is the possession of

  Options:
  A) Skin
  B) Scale
  C) Nail
  D) Hair
  Show Answer
  The correct answer is D .
• Question 2166:

  The internal structure of a leaf that has larger air space is?

  Options:
  A) palisade mesophyll
  B) epidermis
  C) spongy mesophyll
  D) vascular bundles
  Show Answer
  The correct answer is C .
• Question 2167:

  The appendicular skeleton is composed of the pectoral girdle?

  Options:
  A) pelvic girdle, fore and hind limbs
  B) pelvic girdle and fore limbs
  C) lumbar vertebrae and pelvic girdle
  D) lumbar vertebrae, fore and hind limbs
  Show Answer
  The correct answer is A .
• Question 2168: Substance manufactured by the leaves are transported to other parts of the plant through the Options:
  A) phloem
  B) companion cells
  C) sieve tubes
  D) cambium
  Show Answer
  The correct answer is A .
• Question 2169: A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that Options:
  A) the salt solution is more concentrated that the cell sap of the kolanut
  B) the cell sap of the kolanut is more concentrated than the salt solution
  C) the salt solution has the same concentration as the cell sap of the kolanut
  D) kolanut cell can multiply in water
  E) the kolanut lost some water molecules to the salt solution
  Show Answer
  The correct answer is B .
• Question 2170: The causative agent of typhoid fever is Options:
  A) salmonella
  B) entamoeba
  C) escherichia
  D) shigella
  Show Answer
  The correct answer is A .