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 2141:

  

  Use the diagram above to answer this question.

  Which of the organisms is characterized by the possession of a chitinous exoskeleton?

  Options:
  A) l
  B) ll
  C) lll
  D) lV
  Show Answer
  The correct answer is A .
• Question 2142:

  Which of the following is evidence of evolution?

  Options:
  A) All of the above.
  B) Similarities in embryonic development
  C) Fossils of extinct organisms
  D) Homologous structures in different species
  Show Answer
  The correct answer is A .
• Question 2143:

  Which of the following describes the function of lymph

  Options:
  A) Temperature regulation
  B) Production of antibodies
  C) Engulfing
  D) Body defence
  Show Answer
  The correct answer is D .
• Question 2144:
  

  Use the diagram above to answer this question.

  The organelle responsible for heredity is labelled

  Options:
  A) l
  B) ll
  C) lll
  D) IV
  Show Answer
  The correct answer is B .
• Question 2145: A flowering plant is monoecious if Options:
  A) The androecium is found on one plant
  B) The gynoecium is monocarpous
  C) It produce essential organ
  D) The gynoecium and androecium are on the same plant
  E) The flowers are unisexual
  Show Answer
  The correct answer is D .
• Question 2146: The product of excretion common to the mammalian kidney, lung and skin is Options:
  A) mineral salt
  B) carbon (IV) oxide
  C) water
  D) urea
  Show Answer
  The correct answer is C .
• Question 2147: Ability to taste PTC in some individuals is a character that is Options:
  A) acquired
  B) heritable
  C) sex-linked
  D) morphological
  Show Answer
  The correct answer is B .
• Question 2148: The following group of plants is the most advanced except Options:
  A) bryophyte
  B) pteridophyta
  C) spermatophyte
  D) thallophytic
  Show Answer
  The correct answer is D .
• Question 2149: 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 .
• Question 2150: Osmosis can be defined as the movement of Options:
  A) Molecules from solution of higher concentration to low concentration
  B) Molecules from solution of low concentration to high concentration
  C) Water from solution of high concentration to low concentration
  D) Water across a semi-permeable membrane from solution of low concentration to high concentration
  E) Water across a semi-permeable membrane from solution of high concentration to low concentration
  Show Answer
  The correct answer is E .