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 511: Proboscis is a structure that is mostly found in Options:
  A) insects
  B) tapeworms
  C) amphibians
  D) molluses
  Show Answer
  The correct answer is A .
• Question 512:

  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 A .
• Question 513:

  In Nigeria, Southern Guinea Savanna is found in?

  Options:
  A) Borno and Sokoto
  B) Kogi and Kwara
  C) Kaduna and Cross River
  D) Kano and Niger
  Show Answer
  The correct answer is B .
• Question 514:

  Which of the following is the correct classification of carbohydrates?

  Options:
  A) Lipid
  B) Phytonutrient
  C) Macronutrient
  D) Micronutrient
  Show Answer
  The correct answer is C .
• Question 515:

  Which of the following statement is correct about Southern Guinea Savanna in Nigeria

  Options:
  A) It is the largest of all the biotic community in Nigeria
  B) It has plants species like Iroko, Opepe etc
  C) It has plants species like Iroko, Opepe etc
  D) It has no trees
  Show Answer
  The correct answer is A .
• Question 516: Which of the following is a common characteristic of crustaceans? Options:
  A) Possession of a pair of antennae
  B) Possession of two pairs of antennae
  C) Each segmented has a pair of walking legs
  D) Four pairs walking on the cephalothorax
  Show Answer
  The correct answer is B .
• Question 517: In a Biuret test , some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive result? Options:
  A) mercurous nitrate
  B) copper sulphate
  C) sodium carbonate
  D) silver nitrate
  Show Answer
  The correct answer is B .
• Question 518: Which of these is a direct photosynthetic product? Options:
  A) fats
  B) glucose
  C) latex
  D) protein
  E) starch
  Show Answer
  The correct answer is B .
• Question 519: Adaptive features of plants to desert conditions include Options:
  A) thick barks, succulent stems and sunken stomata
  B) thin barks, succulent stems and sunken stomata
  C) thin barks, air floats on stems and sunken stomata
  D) air spaces in tissues, adventitious roots and thick barks
  Show Answer
  The correct answer is A .
• Question 520: A major adaptive feature of endoparasites is the Options:
  A) loss of the organ of movement
  B) presence of claws
  C) loss of the central nervous system
  D) presence of piercing mouthparts
  Show Answer
  The correct answer is D .