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 681: The mammalian erythrocytes differ from the leucocytes at maturity because the erythrocytes are Options:
  A) discoid and nucleated
  B) discoid and enucleated
  C) amoeboid and nucleated
  D) amoeboid and enucleated
  Show Answer
  The correct answer is B .
• Question 682:

  

  The type of placentation shown is

  Options:
  A) axial
  B) marginal
  C) parietal
  D) central
  Show Answer
  The correct answer is B .
• Question 683: In a tropical rain forest, non-epiphytic ferns and allies occur as Options:
  A) middle storey species
  B) upper storey species
  C) shade-loving species
  D) emergent species
  Show Answer
  The correct answer is C .
• Question 684:

  In the egg of a bird, the embryo is located in the

  Options:
  A) Chalaza
  B) Yolk
  C) Albumen
  D) Embryo disc
  Show Answer
  The correct answer is B .
• Question 685: The hereditary materials of the cell is Options:
  A) the R N A
  B) protein
  C) the D N A
  D) carbohydrate
  Show Answer
  The correct answer is C .
• Question 686:

  Which of the following statements is true regarding cell growth?

  Options:
  A) Cell growth is solely influenced by external factors
  B) Cell growth is a continuous process throughout the life of a cell
  C) Cell growth involves an increase in the number of organelles within a cell
  D) Cell growth occurs by cell division
  Show Answer
  The correct answer is D .
• Question 687: In which part of the human body does the secretion of the growth hormone occur? Options:
  A) Head region
  B) Waist region
  C) Neck region
  D) Gonads
  Show Answer
  The correct answer is A .
• Question 688: Which of the following is not associated with excretion in mammals Options:
  A) Glomerulus
  B) Urea
  C) Faeces
  D) Carbon Dioxide
  E) Bowman's capsule
  Show Answer
  The correct answer is C .
• Question 689: An example of a non-bio degrable pollutants is Options:
  A) dung
  B) bones
  C) ceramics
  D) woods
  Show Answer
  The correct answer is C .
• Question 690: The organ located within the duodenal loop in the mamal is the Options:
  A) spleen
  B) pancreas
  C) liver
  D) gall bladder
  Show Answer
  The correct answer is B .