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 1931:

  

  The sweat gland is the structure labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 1932:

  

  The structure labelled Y is the
  Options:
  A) food vacuole
  B) nucleolous
  C) macronucleus
  D) contractile vacuole
  Show Answer
  The correct answer is C .
• Question 1933: Blood clotting is initiated by Options:
  A) Leucocytes
  B) Platelets
  C) Haemolymph
  D) Haemoglobin
  E) Erythrocytes
  Show Answer
  The correct answer is B .
• Question 1934: The chromosome number of a cell before and after the process of meiosis is conventionally represented as Options:
  A) 2n → 2n
  B) n → n
  C) n → 2n
  D) 2n → n
  Show Answer
  The correct answer is D .
• Question 1935: A plant which grows on another plant without apparent harm to the host plant is called Options:
  A) a parasite
  B) an epiphyte
  C) a saprophyte
  D) a predator
  E) a hermaphrodite
  Show Answer
  The correct answer is B .
• Question 1936:

  

  In the diagram, the hawk is

  Options:
  A) an omnivore
  B) a primary consumer
  C) a tertiary consumer
  D) a scavenger
  Show Answer
  The correct answer is C .
• Question 1937: In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to Options:
  A) neutralize the acid in water
  B) supply mineral salt to water plant
  C) supply carbondioxide for photosynthesis
  D) kill micro-organisms in water
  Show Answer
  The correct answer is B .
• Question 1938: The protista that is a producer is an aquatic food chain is Options:
  A) trypanosome
  B) paramecium
  C) chamydomonas
  D) amoeba
  Show Answer
  The correct answer is C .
• Question 1939:

  The display of male agama lizard is to?

  Options:
  A) scare predators
  B) regulate body temperature
  C) attract female for mate
  D) give invite to intruders
  Show Answer
  The correct answer is C .
• Question 1940: Which of the following statements is TRUE of inhalation of air by man? Options:
  A) The ribs are not raised
  B) Diaphragm is raised
  C) Intercostal muscles relax
  D) Pressure of the thoracic cavity increase
  E) Size of thoracic cavity increase
  Show Answer
  The correct answer is E .