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 691:

  

  In the diagram, the type of adaptation shown in the larva is

  Options:
  A) mimicry
  B) countershading
  C) flash colaration
  D) cisruptive colaration
  Show Answer
  The correct answer is D .
• Question 692:

  

  The part labelled III is for

  Options:
  A) protection
  B) insulation
  C) lubrication
  D) growth
  Show Answer
  The correct answer is B .
• Question 693:

  

  The process of water loss and intake indicated by the arrow labelled I and II are respectively

  Options:
  A) exhalation and osmosis
  B) urination and diffusion
  C) osmosis and diffusion
  D) evaporation and osmosis
  Show Answer
  The correct answer is D .
• Question 694: Which of the following is an organ? Options:
  A) Guard cell
  B) Liver
  C) Xylem bundle
  D) Blood
  Show Answer
  The correct answer is B .
• Question 695: Fertilizers are lost from the soil through Options:
  A) sheet erosion and evaporation
  B) leaching, underground seepages and run-off
  C) sheet erosion, gully erosion and wind erosion
  D) wind erosion and heavy rainfall
  Show Answer
  The correct answer is B .
• Question 696:

  The male sex cells also called gametes are produced in the testes by a process called

  Options:
  A) Gametogenesis
  B) Implantation
  C) Spermatogenesis
  D) Spermatozoa
  Show Answer
  The correct answer is C .
• Question 697:

  The natural place of an organism or community is known as

  Options:
  A) Niche
  B) Habit
  C) Biome
  D) Habitat
  Show Answer
  The correct answer is D .
• Question 698: Which of the following is caused by Treponema palladium? Options:
  A) Gonorrhea
  B) Leprosy
  C) Tuberculosis
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 699:

  In plants, respiration occurs in

  Options:
  A) The stomata and lenticel only
  B) Mesophyll cells only
  C) All living cells
  D) The root only
  Show Answer
  The correct answer is C .
• Question 700: The number of plants species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomea spp (5), sida spp (7) and Imperata spp (23). What is the percentage of occurrence of Imperata spp? Options:
  A) 35%
  B) 16%
  C) 46%
  D) 23%
  Show Answer
  The correct answer is C .