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 1: The ability of chemelon to change its colour rapidly is an adaptation for Options:
  A) obtaining food
  B) attraction mate
  C) communication
  D) escaping detection
  Show Answer
  The correct answer is D .
• Question 2: From which group of animals are the mammals generally believed to have most recently evolved? Options:
  A) Reptiles
  B) Fish
  C) Amphibians
  D) Birds
  Show Answer
  The correct answer is C .
• Question 3: Which of the following cell constituents is NOT common in both plants and animals? Options:
  A) Mitochondria
  B) Chloroplast
  C) Ribosomes
  D) Golgi apparatus
  E) Vacuoles
  Show Answer
  The correct answer is B .
• Question 4: Which of the following is not part of the mammalian male reproductive organ? Options:
  A) Epididymis
  B) Vas deferens
  C) testis
  D) Vulva
  Show Answer
  The correct answer is D .
• Question 5: The major function of contractile vacuole in amoeba is Options:
  A) to secrete enzyme to digest food particles
  B) to store excess food materials
  C) to excrete nitrogenous waste
  D) to absorb water from the surrounding
  E) to collect and expel water in the cytoplasm
  Show Answer
  The correct answer is E .
• Question 6:

  

  Which organism in the food-web illustrated above is an omnivore?

  Options:
  A) Weevils
  B) Rat
  C) Hawk
  D) Prayer mantis
  Show Answer
  The correct answer is B .
• Question 7:

  Which organs are part of the alimentary canal in the human digestive system?

  Options:
  A) Salivary glands, tongue, and pharynx
  B) Large intestine, appendix, and rectum
  C) Stomach, liver, and gallbladder
  D) Oesophagus, pancreas, and small intestine
  Show Answer
  The correct answer is D .
• Question 8:

  

  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 9: The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as Options:
  A) predation
  B) commensalism
  C) parasitism
  D) competition
  Show Answer
  The correct answer is B .
• Question 10:

  The membrane around the vacuole is known as

  Options:
  A) Elaioplast
  B) Amyloplast
  C) Tonoplast
  D) Cytoplast
  Show Answer
  The correct answer is C .