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 2321: 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 .
• Question 2322: The complex relationship between the members of a community and between the community as a whole and its physical environment is Options:
  A) Ecosystem
  B) Habitat
  C) Environment
  D) Niche
  E) Micro habitat
  Show Answer
  The correct answer is A .
• Question 2323: Which of the following is true of the transverse section of a dicot system? Options:
  A) the xylem is more interiory located than the phleom
  B) the cambium lies between the cortex and the vascular bundles
  C) the vascular bundles are randomly scattered within the cortex
  D) the epidemis is completely encircled by the cortex
  Show Answer
  The correct answer is A .
• Question 2324:

  

  Which of the following is the correct order of the developmental stages?

  Options:
  A) 1->2->3->4->5
  B) 5->1->3->2->4
  C) 2->1->3->4->5
  D) 5->3->2->1->4
  Show Answer
  The correct answer is D .
• Question 2325: The main distinguishing features between the soldier termite and other members of the caste are the Options:
  A) presence of wings, possession of a small head and large thorax
  B) presence of wings, possession of a large thorax and a small head
  C) absence of wings, possession of strong mandibles and a large head
  D) absence of wings,possession of big head and the absence of mandible
  Show Answer
  The correct answer is C .
• Question 2326: The radicle of a bean seedling grows most rapidly in the region Options:
  A) of the root tip
  B) just above the root tip
  C) just around the root tip
  D) just below the root tip
  Show Answer
  The correct answer is B .
• Question 2327: Which scenario would cause a covalent bond to form? Options:
  A) Two atoms share electrons so they can fill their outer shells
  B) The constant motion of electrons and the creation of charge imbalances bonds two molecules together
  C) A hydrogen atom with a slight positive charge is attracted to a negative charge of another molecule or atom
  D) One atom loses one or more electrons and the other atom gains one or more electrons
  Show Answer
  The correct answer is A .
• Question 2328:

  Which of the following is NOT a method of reproduction in animals?

  Options:
  A) Asexual reproduction
  B) Budding
  C) Sexual reproduction
  D) Sporulation
  Show Answer
  The correct answer is D .
• Question 2329: If parents with blood groups AB and O produce six children Options:
  A) three of them will have group B
  B) two of them will have group A
  C) all the offspring will have group O
  D) none of them will have group A
  Show Answer
  The correct answer is A .
• Question 2330: Bacteria in the large intestine of man are important in the Options:
  A) synthesis of vitamins K and B₂
  B) digestion of vegetables
  C) synthesis of vitamins A and D
  D) absorption of water
  Show Answer
  The correct answer is A .