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 301: In typical predator food chain involving secondary and tertiary consumers, the organism become progressively Options:
  A) smaller and more numerous along the food chain
  B) equal in number and size along the food chain
  C) larger and fewer along the food chain
  D) parasitized along the food chain as consumers get bigger
  Show Answer
  The correct answer is C .
• Question 302:

  The hormone which regulates the amount of glucose in the blood is called?

  Options:
  A) Adrenalin
  B) Auxin
  C) Insulin
  D) Thyroxine
  Show Answer
  The correct answer is C .
• Question 303:

  

  The part that is similar to the bone is labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is D .
• Question 304: Long neck in giraffe is used to illustrate the theory of Options:
  A) use and disuse
  B) origin of species
  C) origin of life
  D) natural selection
  Show Answer
  The correct answer is D .
• Question 305: In mammalian development, the function of the yolk is to Options:
  A) supply nutrients to the embryo
  B) act as the shock-absorber to the foetus
  C) supply air to the embryo
  D) facilitates the process of excretion in the foetus
  Show Answer
  The correct answer is A .
• Question 306:

  

  In the digestive system, absorption of nutrient into the blood takes place in the part labelled

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 307: A flower showing radial symmetry is said to be Options:
  A) pentamerous
  B) protandrous
  C) protogynous
  D) actinomorphic
  Show Answer
  The correct answer is D .
• Question 308:

  

  Which of the structure is the molar?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 309: The natural process that produces adaptive evolutionary changes is Options:
  A) Mutation
  B) Gene flow
  C) Genetic drift
  D) Natural selection
  Show Answer
  The correct answer is D .
• Question 310: The role of the male adult honey bee is to Options:
  A) clean the hive
  B) ventilates the hive
  C) mate with the queen
  D) care for the young
  Show Answer
  The correct answer is C .