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 181:

  The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is

  Options:
  A) Autecology
  B) Ecological niche
  C) Synecology
  D) Ecosphere
  Show Answer
  The correct answer is C .
• Question 182: The primary consumer in the food chain below is ................Green plants → Grasshopper → Lizard → Snake → Hawk Options:
  A) Grass hopper
  B) green plants
  C) hawk
  D) lizard
  Show Answer
  The correct answer is A .
• Question 183:

  The hygrometer is used for measuring

  Options:
  A) Relative Humidity
  B) Specific Gravity
  C) Rainfall
  D) Salinity
  Show Answer
  The correct answer is A .
• Question 184:

  

  The gland usually found in the position labelled I is the

  Options:
  A) adrenal
  B) thyriod
  C) pancreatic
  D) pituitary
  Show Answer
  The correct answer is D .
• Question 185:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 186: Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa Options:
  A) 4 → 1 → 2 → 3
  B) 4 → 3 → 2 → 1
  C) 4 → 2 → 1 → 3
  D) 4 → 2 → 3 → 1
  Show Answer
  The correct answer is C .
• Question 187:

  

  In the diagram, the part marked I will contain a high concentration of

  Options:
  A) ascorbic acid
  B) abscisic acid
  C) ethylene
  D) auxin
  Show Answer
  The correct answer is D .
• Question 188: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is Options:
  A) temperature
  B) competition
  C) pH
  D) light
  Show Answer
  The correct answer is B .
• Question 189: Genetically modified food products have not become universally accepted because Options:
  A) they are not tasty as others produced by conventional means
  B) they are usually costlier than others produced by conventional means
  C) their effects on human consumers is not yet fully understand
  D) the technology can be applied only in developed countries
  Show Answer
  The correct answer is C .
• Question 190:

  During mitosis, the stage at which chromosomes lines up around the equator is?

  Options:
  A) telophase
  B) metasphase
  C) anaphase
  D) prophase
  Show Answer
  The correct answer is B .