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 2001: The most important ecological factor in a terrestrial environment is Options:
  A) rainfall
  B) humidity
  C) wind
  D) soil
  Show Answer
  The correct answer is D .
• Question 2002:

  The appendicular skeleton is made up of the

  Options:
  A) limbs
  B) skull and limbs
  C) phalanges
  D) ulna and radius
  E) girdles and limbs
  Show Answer
  The correct answer is E .
• Question 2003:

  

  Use the diagram to answer the question. The diagram shows that the organisms are

  Options:
  A) hermaphrodite
  B) viviparous
  C) oviparous
  D) ovoviparous
  Show Answer
  The correct answer is C .
• Question 2004:

  

  Protein is synthesized in the part labelled

  Options:
  A) I
  B) II
  C) III
  D) Iv
  Show Answer
  The correct answer is A .
• Question 2005: Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable character as the parent because Options:
  A) seeds are not reliable for propagating plants
  B) uncontrolled out-crossing can introduced unwanted variability
  C) vegetative propagation is best form of reproduction of all crop
  D) seeds were not physiologically mature at the harvest
  Show Answer
  The correct answer is B .
• Question 2006: In dissection, the rib cage of mammal has to be opened in order to expose the Options:
  A) diaphragm
  B) liver
  C) heart
  D) sternum
  Show Answer
  The correct answer is C .
• Question 2007: During blood transfusion, agglutination may occur when Options:
  A) contrasting antigens reacts with contrasting antibodies
  B) similar antigens react with similar antibodies
  C) two different antigens react with each other
  D) two different antibodies react with each other
  Show Answer
  The correct answer is B .
• Question 2008: Bird toes suitable for digging have claws that are Options:
  A) blunt
  B) curved
  C) hooked
  D) sharp
  Show Answer
  The correct answer is A .
• Question 2009: Dead plants and animals are decomposed by bacteria and fungi into Options:
  A) nitrate
  B) nitrites
  C) amino acids
  D) ammonia
  Show Answer
  The correct answer is D .
• Question 2010: In the internal structure of plants, a wide pith in the centre is common to Options:
  A) dicot stems and monocot stems
  B) dicot stem and monocot roots
  C) dicot roots and monocot roots
  D) dicot roots and monocot stems
  Show Answer
  The correct answer is B .