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 821:

  

  In the diagram, the organelle responsible for heredity is

  Options:
  A) iii
  B) iv
  C) ii
  D) i
  Show Answer
  The correct answer is A .
• Question 822: Aged erythrocytes are dissolved in the Options:
  A) pancreas
  B) liver
  C) lymph nodes
  D) kidney
  Show Answer
  The correct answer is B .
• Question 823: Which of these is not a sampling method for determining population size? Options:
  A) capture and re-capture method
  B) complete census
  C) Transect method
  D) systematic sampling
  Show Answer
  The correct answer is D .
• Question 824:

  The noticeable adaptation of the animal to it's aquatic habitat is the possession of

  Options:
  A) webbed digits
  B) four limb
  C) wide mouth
  D) large eyes
  Show Answer
  The correct answer is A .
• Question 825: Spines and shells on animals are adaptation for Options:
  A) camouglage
  B) chemical defence
  C) physical defence
  D) mimicry
  Show Answer
  The correct answer is C .
• Question 826: During cell division, the two strands of chromosomes are joined at a point called Options:
  A) spindle
  B) chromatid
  C) centromere
  D) aster
  Show Answer
  The correct answer is C .
• Question 827: Which of these statements is NOT true of insects? Options:
  A) They are anthropods
  B) Their body is divide into three distinct regions of head, thorax and abdomen
  C) Their thorax comprises three segments, only two of which bear a pair of appendages each
  D) Respiration is by means of trachea
  E) They undergo metamorphosis
  Show Answer
  The correct answer is C .
• Question 828: Th order in which organic evolution has progressed in plants is Options:
  A) thallophyta, schizophyta, bryophyta, pteridophyta and spermatophyta
  B) schizophyta, thallophyta, bryophyta, pteridophyta and spermatophyta
  C) pteridophyta, spermatophyta, thallophyta, schizophyta and bryophyta
  D) bryophyta, pteridophyta, spermatphyta, thallophyta and schizophyta
  Show Answer
  The correct answer is B .
• Question 829: Heat produced in tissue respiration in plants is Options:
  A) a chemical form of energy
  B) the only form of energy
  C) the main form of energy
  D) a useful form of energy
  E) a waste form of energy
  Show Answer
  The correct answer is A .
• Question 830:

  Cold blooded animals are referred to as

  Options:
  A) Poikilothermic
  B) Homothermic
  C) Polythermic
  D) Homeostatic
  Show Answer
  The correct answer is A .