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 1661:

  An example of a radially symmetrical organisms is

  Options:
  A) Planaria
  B) Hydra
  C) Tapeworm
  D) Roundworm
  Show Answer
  The correct answer is B .
• Question 1662:

  

  The point marked I is referred to as

  Options:
  A) myelin sheath
  B) dendrites
  C) axon
  D) node of Ranvier
  Show Answer
  The correct answer is D .
• Question 1663: The gall bladder of mammal has a duct connected to the Options:
  A) liver
  B) duodenum
  C) small intestine
  D) pancreas
  Show Answer
  The correct answer is A .
• Question 1664: If a DNA strand has a base sequence TCA, its complementary strand must be Options:
  A) ATG
  B) TAG
  C) GAT
  D) AGT
  Show Answer
  The correct answer is D .
• Question 1665: The annulus of fern sporangium helps in Options:
  A) spore dispersal
  B) conduction of mineral salt
  C) trapping of light energy
  D) water retention
  Show Answer
  The correct answer is A .
• Question 1666:

  

  The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

  Options:
  A) 12453
  B) 24135
  C) 21435
  D) 14325
  E) 31425
  Show Answer
  The correct answer is C .
• Question 1667: The hereditary characters in plants and animals are located on the Options:
  A) gene
  B) mucleus
  C) chromosome
  D) cell
  Show Answer
  The correct answer is C .
• Question 1668: Which of the following is NOT a function of the nucleus of a cell? Options:
  A) it translates genetic information for the manufacture of proteins
  B) it stores and carries hereditary information
  C) it is reservoir of energy for the cell
  D) it controls the life processes of the cell
  Show Answer
  The correct answer is C .
• Question 1669: The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the Options:
  A) stomata
  B) lenticels
  C) air space
  D) guard cell
  Show Answer
  The correct answer is D .
• Question 1670: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .