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 1051:

  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 1052: Which of the following is a dangerous product of coal burning? Options:
  A) Sulphur dioxide
  B) Carbon dioxide
  C) Carbon
  D) Nitrogen
  Show Answer
  The correct answer is A .
• Question 1053:

  

  Which of the plants is likely to be desert species?

  Options:
  A) U
  B) T
  C) S
  D) R
  Show Answer
  The correct answer is A .
• Question 1054:

  

  In the diagram, The maxillary palp is labelled

  Options:
  A) ii
  B) iv
  C) i
  D) ii
  Show Answer
  The correct answer is B .
• Question 1055: The scapula and the ischium are part of the Options:
  A) pectoral girdle
  B) pelvic girdle
  C) appendicular skeleton
  D) hind limb
  Show Answer
  The correct answer is C .
• Question 1056: The exchange of genes between homologous chromosomes is called Options:
  A) test cross
  B) back cross
  C) crossing-over
  D) mutation
  Show Answer
  The correct answer is C .
• Question 1057: The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that Options:
  A) solution X was stronger than Y
  B) solution Y was stronger than X
  C) Spirogyra used up the sugar in solution X
  D) solution X is good for stimulating sexual reproduction in Spirogyra
  E) solution Y was less contaminated than X
  Show Answer
  The correct answer is A .
• Question 1058:

  Which of the following options correctly identifies excretory organs in animals?

  Options:
  A) Stomach, intestines, and bladder
  B) Lungs, kidneys, and skin
  C) Brain, spinal cord, and nerves
  D) Heart, liver, and spleen
  Show Answer
  The correct answer is B .
• Question 1059: The key event in the transition of the amphibians from water to land is the ________ Options:
  A) replacement of the gills with lungs
  B) possession of webbed limbs
  C) limbs
  D) possession of tympanic membrane
  Show Answer
  The correct answer is A .
• Question 1060: Monocot stem differ from dicot stems in that monocot have Options:
  A) no cambium
  B) no pith
  C) fewer vascular bundles
  D) phloems with parenchyma
  Show Answer
  The correct answer is A .