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 451:

  

  The function of the part labelled V is for the passage of

  Options:
  A) pollen tube and pollen nucleus
  B) air, water and pollen nucleus
  C) air, antipodal cells and ovum
  D) synergids and egg cell
  Show Answer
  The correct answer is A .
• Question 452: A severe deficiency of thyroxin results in Options:
  A) diabetes mellitus
  B) sexual underdevelopment
  C) cretinism
  D) gigantism
  Show Answer
  The correct answer is C .
• Question 453:

  De-oxygenated blood is transported to the lungs through the

  Options:
  A) renal vein
  B) hepatic portal vein
  C) pulmonary artery
  D) pulmonary vein
  Show Answer
  The correct answer is C .
• Question 454:

  Rabbits cannot survive in an aquatic habitat because they have

  Options:
  A) fore and hind limbs
  B) no gills
  C) no fins
  D) no scales
  Show Answer
  The correct answer is B .
• Question 455: The procaryotic cell type is characterized by a Options:
  A) complex cytoplasm in which different regions are poorly defined
  B) localization of different regions of the cell into tissues
  C) collection of organelles and macromolecular complexes
  D) simple cytoplasm with well defined regions
  Show Answer
  The correct answer is A .
• Question 456:

  Use the diagram to answer the question.

  The structure labelled i is

  Options:
  A) photosensitive
  B) radiosensitive
  C) chemoreceptive
  D) tactile
  Show Answer
  The correct answer is D .
• Question 457:

  The type of nutrition shown by spirogyra is

  Options:
  A) Symbiosis
  B) Holozoic
  C) Chemosynthetic
  D) Holophytic
  Show Answer
  The correct answer is D .
• Question 458:

  Ecological succession refers to

  Options:
  A) The movement of organisms from one habitat to another
  B) The competition among species for limited resources
  C) The process of natural selection in a population
  D) The gradual and predictable change in a community over time
  Show Answer
  The correct answer is D .
• Question 459: Blood clotting is initiated by Options:
  A) Leucocytes
  B) Platelets
  C) Haemolymph
  D) Haemoglobin
  E) Erythrocytes
  Show Answer
  The correct answer is B .
• Question 460: One of the following is called emergency hormone in man. Options:
  A) Adrenalin
  B) Prolactin
  C) Testosterone
  D) Thyroxine
  Show Answer
  The correct answer is A .