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 1551:

  The correct pathway for blood flow from the heart to the tissues of mammals is?

  Options:
  A) heart-arteriole-artery-tissues
  B) heart-artery-arteriole-tissues
  C) heart-vein-venule-tissues
  D) heart-venule-vein-tissues
  Show Answer
  The correct answer is B .
• Question 1552: The part that supplies food from the mother to the foetus is Options:
  A) Amnion
  B) Chorion
  C) Umbilical Cord
  D) Placenta
  Show Answer
  The correct answer is D .
• Question 1553: During respiration, air circulates round plant tissues via the Options:
  A) lenticels
  B) stomata
  C) guard cells
  D) intercellular spaces
  Show Answer
  The correct answer is D .
• Question 1554: In a savanna ecosystem the abiotic factors include Options:
  A) legumes, temperature and sandy soil
  B) water, temperature and soil
  C) minerals, oxygen and reptiles
  D) water, soil and grasses
  Show Answer
  The correct answer is B .
• Question 1555:

  

  The diagram is the transverse section of a

  Options:
  A) monocotyledonous stem
  B) dicotyledonous stem
  C) monocotyledonous root
  D) dicotyledonous root
  Show Answer
  The correct answer is D .
• Question 1556: The element that is essential for the coagulation of blood is Options:
  A) potassium
  B) calcium
  C) phosphorus
  D) iron
  Show Answer
  The correct answer is B .
• Question 1557: In ferns, the sporophyte Options:
  A) develops from a haploid zygote
  B) reproductive sexually to produce spores
  C) is haploid and dependant on gametophyte
  D) is diploid and independent of the gametophyte
  Show Answer
  The correct answer is D .
• Question 1558: The pathogen that cause smallpox is Options:
  A) picornavirus
  B) peramyxovirus
  C) herpesvirus
  D) poxvirus
  Show Answer
  The correct answer is D .
• Question 1559: There will be agglutination when the Options:
  A) Group A serum mixes with Group A erythrocytes
  B) Group A serum mixes with group B erythrocytes
  C) Group AB serum mixes with Group O erythrocytes
  D) Group B serum mixes with Group B erythrocytes
  Show Answer
  The correct answer is B .
• Question 1560: The loss of soil through erosion can be reduced by Options:
  A) watering
  B) crop rotation
  C) manuring
  D) irrigation
  Show Answer
  The correct answer is B .