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 1021:

  

  An example of a plant having the placentation shown is

  Options:
  A) allamander
  B) hibiscus
  C) water lily
  D) pride of Barbados
  Show Answer
  The correct answer is D .
• Question 1022: Which of the following statements is NOT true of menstruation? Options:
  A) It occurs monthly
  B) The discharge contains amniotic fluid
  C) Its signifies no conception
  D) It involves the lining of uterus
  E) It may cause pains
  Show Answer
  The correct answer is B .
• Question 1023: A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin? Options:
  A) AA
  B) OO
  C) AO
  D) AS
  E) SS
  Show Answer
  The correct answer is D .
• Question 1024: The rods in the retina of the eyes are examples of Options:
  A) cells
  B) tissues
  C) organs
  D) systems
  Show Answer
  The correct answer is A .
• Question 1025: Angiosperms and gymnosperms belong to the class Options:
  A) schizophyta
  B) spermatophyta
  C) pteridophyta
  D) bryophyta
  Show Answer
  The correct answer is B .
• Question 1026:

  Ozone hole refers to

  Options:
  A) hole in ozone layer
  B) decrease in the ozone layer in troposphere
  C) decrease in thickness of ozone layer in stratosphere
  D) increase in the thickness of ozone layer in troposphere
  Show Answer
  The correct answer is C .
• Question 1027: The division of a body into two equal halves along a longitudinal plane is called Options:
  A) bilateral symmetary
  B) transverse section
  C) radial symmetry
  D) longitudinal section
  Show Answer
  The correct answer is A .
• Question 1028: Sex - linked genes are located on Options:
  A) Y - chromosomes
  B) X - and Y - chromosomes
  C) homologous chromosome
  D) X - chromosome
  Show Answer
  The correct answer is B .
• Question 1029: The bright colours of the comb and feathers in the peacock are for Options:
  A) sex differenciation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 1030: When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to Options:
  A) group O only
  B) group A only
  C) group AB only
  D) groups A and O
  E) groups AB and O
  Show Answer
  The correct answer is A .