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 751: 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 752:

  

  What is the name of the structure labelled 2?

  Options:
  A) Odontoid process
  B) Olecranon process
  C) Patella
  D) Condyle
  Show Answer
  The correct answer is B .
• Question 753: A collection of achenes formed from several carpels of a flower is Options:
  A) a multiple fruit
  B) an aggregate fruit
  C) a shizocarp
  D) a simple fruit
  Show Answer
  The correct answer is C .
• Question 754: A green snake in green grass is able to escape notice from predators because of its Options:
  A) disruptive colouration
  B) counter shading
  C) warning colouration
  D) cryptic colouration
  Show Answer
  The correct answer is D .
• Question 755: The enzyme that is present in the saliva is Options:
  A) rennin
  B) lipase
  C) pepsin
  D) ptyalin
  Show Answer
  The correct answer is D .
• Question 756: 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 757: The sensory cell that responds to dim light is referred to as the Options:
  A) cone
  B) lens
  C) rod
  D) iris
  Show Answer
  The correct answer is C .
• Question 758: If an animal has diastema, it would NOT posses Options:
  A) incissors
  B) cannines
  C) premolars
  D) molars
  Show Answer
  The correct answer is B .
• Question 759:

  Plants which can survive in extremely dry places are called

  Options:
  A) Mesophytes
  B) Xerophytes
  C) Hydrophytes
  D) Angiosperms
  Show Answer
  The correct answer is B .
• Question 760: The community of plants in which the same species occur from year to year is the Options:
  A) annual species
  B) pioneer vegetation
  C) perennial species
  D) climax vegetation
  Show Answer
  The correct answer is D .