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 471: A tropical disease caused by Trypanosoma is Options:
  A) sleeping sickness
  B) river blindness
  C) yellow fever
  D) malaria
  Show Answer
  The correct answer is A .
• Question 472: The soil type that contain nutrients which are not readily available for plants is Options:
  A) alluvial
  B) clayey
  C) sandy
  D) loamy
  Show Answer
  The correct answer is B .
• Question 473: The least adaptive feature of aboreal life is the Options:
  A) possession of fouur limbs
  B) possession of claws
  C) development of long tail
  D) shading of coat colour
  Show Answer
  The correct answer is D .
• Question 474: In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the Options:
  A) movement of auxins away from the region of curvature
  B) even distribution of auxins in all parts of the coleoptile
  C) inhibition of growth by auxins in the region f smaller curvature
  D) concentration of auxins in the region of curvature
  E) absence of auxins in the coleoptile
  Show Answer
  The correct answer is D .
• Question 475: Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of Options:
  A) oxidation
  B) denitrification
  C) reduction
  D) phosphorylation
  Show Answer
  The correct answer is A .
• Question 476: In mammals, the exchange of nutrients and metabolic products occurs in the Options:
  A) lungs
  B) oesophagus
  C) trachea
  D) lymph
  Show Answer
  The correct answer is D .
• Question 477: Parasitic form are NOT found among Options:
  A) platyhelminthes
  B) nematodes
  C) mollusces
  D) annelids
  Show Answer
  The correct answer is C .
• Question 478: The association between bacteria residing in the caecum and the ruminant is Options:
  A) parastitism
  B) predation
  C) saprophytism
  D) mutualism
  Show Answer
  The correct answer is D .
• Question 479: The dominant phase in the life cycle of a fern is the? Options:
  A) prothallus
  B) sporophyte
  C) antheridium
  D) gametophyte
  Show Answer
  The correct answer is B .
• Question 480: In mammalian males, the excretory and reproductive systems share the Options:
  A) Ureter
  B) vas deferens
  C) Urethra
  D) Testes
  Show Answer
  The correct answer is C .