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 391: Mosses, liverworts and ferns can be grouped together because they Options:
  A) Are all aquatic plants
  B) All grow in deserts
  C) Are seedless plants
  D) Have undifferentiated plant bodies
  E) All produce colourless flowers
  Show Answer
  The correct answer is C .
• Question 392: Which of the following is the dental formula of man? Options:
  A) i(2/2) c(0/1) pm(2/2) m(3/3)
  B) i(2/2) c(1/1) pm(2/0) m(3/3)
  C) i(2/2) c(1/1) pm(2/2) m(3/3)
  D) i(2/2) c(1/1) pm(3/3) m(2/2)
  E) i(2/2) c(1/1) pm(2/3) m(3/3)
  Show Answer
  The correct answer is C .
• Question 393: Which of the following statements is NOT true of insectivorous plants? Options:
  A) They obtain part of their food by trapping and feeding on insects
  B) They attract insects simply because of pollination
  C) Thay can grow in soils poor in nitrogenous salts
  D) They can supplement their nitrgen supply by feeding on insects
  E) Example include butterworts, sundews and pitcher plants
  Show Answer
  The correct answer is B .
• Question 394: In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to Options:
  A) prevent alga growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevent photosynthesis in the root
  Show Answer
  The correct answer is A .
• Question 395: Which of the following is NOT a waste product of plants? Options:
  A) Auxins
  B) Gum
  C) Resins
  D) tanins
  Show Answer
  The correct answer is A .
• Question 396: Which of the following statement is NOT correct with respect to inhalation in mammals? The Options:
  A) intercostal muscles contract
  B) diaphragm is raised
  C) ribs are raised
  D) Pressure of the thoracic cavity decreases
  Show Answer
  The correct answer is B .
• Question 397:

  

  The experimental set-up can be used to demonstrate that

  Options:
  A) light is necessary for photosynthesis
  B) oxygen is necessary for photosynthesis
  C) photosynthesis occurs in the leaves of plants
  D) carbon (IV) oxide is necessary for photosynthesis
  Show Answer
  The correct answer is D .
• Question 398:

  Spirogyra reproduces vegetatively by

  Options:
  A) spore production
  B) fragmentation
  C) multiple fission
  D) budding
  E) binary fission
  Show Answer
  The correct answer is B .
• Question 399:

  The period of inactivity seen in some animals during long period of heat or drought is

  Options:
  A) Migration
  B) Aestivation
  C) Hibernation
  D) Adaptation
  Show Answer
  The correct answer is B .
• Question 400:

  

  Which of the following features can be used to identify the figure above?

  Options:
  A) Position of 7
  B) its circular nature
  C) Number of 5
  D) Presence of 3
  E) width of 2
  Show Answer
  The correct answer is A .