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 easiest way to establish the level of pollution in a local stream is to measure the level of Options:
  A) oxygen
  B) carbon (IV) oxide
  C) ammonia
  D) alkalinity
  Show Answer
  The correct answer is A .
• Question 752: Which of the following elements is essential for the formation of haemoglobin? Options:
  A) Sodium
  B) Potassium
  C) Calcium
  D) Iron
  Show Answer
  The correct answer is D .
• Question 753:

  In which of the following groups of animals are flagella and cilia found?

  Options:
  A) Flatworms
  B) Annelids
  C) Coelenterates
  D) protozoa
  E) Nematodes
  Show Answer
  The correct answer is D .
• Question 754:

  Which of the following is a characteristic of cells related to irritability?

  Options:
  A) Ability to respond to stimuli
  B) Ability to synthesize proteins
  C) Ability to generate energy
  D) Ability to replicate DNA
  Show Answer
  The correct answer is A .
• Question 755: Serum differs from blood plasma because Options:
  A) contains blood cells and fibrinogen
  B) contains soluble food and mineral salt
  C) lacks the blood protein and fibrinogen
  D) lacks blood cells and albumin
  Show Answer
  The correct answer is C .
• Question 756: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 757: The mutation theory of organic evolution was propounded by Options:
  A) Gregor Mendel
  B) Hugo de Vries
  C) Jean Lamarck
  D) Charles Darwin
  Show Answer
  The correct answer is B .
• Question 758: Which of the following groups of environmental factors are density-dependent? Options:
  A) Food, salinity, accumulation of matabolites and light
  B) Temperature, salinity predation and disease
  C) Food predation, disease and accumulation of metabolites
  D) Temperature food disease and light
  Show Answer
  The correct answer is C .
• Question 759: In which of the following does external fertilization takes place? Options:
  A) Toad
  B) Lizard
  C) Bird
  D) Cockcroach
  Show Answer
  The correct answer is A .
• Question 760:

  

  The function of the part labelled V is for the passage of

  Options:
  A) pollen tube and pollen nucleus
  B) air, water and pollen nucleus
  C) air, antipodal cells and ovum
  D) synergids and egg cell
  Show Answer
  The correct answer is A .