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 481:

  

  The bird's bill adapted for fishing is labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 482: Which of the following pairs are the products of sucrose hydrolysis? Options:
  A) Glucose + glucose
  B) Fructose + fructose
  C) Glucose + fructose
  D) Galactose + glucose
  E) Fructose + galactose
  Show Answer
  The correct answer is C .
• Question 483: During cell division, the two strands of chromosomes are joined at a point called Options:
  A) spindle
  B) chromatid
  C) centromere
  D) aster
  Show Answer
  The correct answer is C .
• Question 484: The severe deficiency of vitamin C leads to Options:
  A) Kwashiokor
  B) beriberi
  C) pellagra
  D) scurvy
  Show Answer
  The correct answer is D .
• Question 485: Which of the following is used to test for the presence of lime in a soil sample? Options:
  A) H₂SO_4(aq)
  B) NaOH_(aq)
  C) HCl_(aq)
  D) HNO_3(aq)
  Show Answer
  The correct answer is C .
• Question 486:

  When bacteria swim from cold to warm regions, this is known as

  Options:
  A) positive phototaxis
  B) negative phototaxis
  C) positive thermotaxis
  D) negative chemotaxis
  Show Answer
  The correct answer is C .
• Question 487: Which of the following diseases could be exclusively associated with river basin? Options:
  A) Malaria
  B) Syphilis
  C) Onchocerciasis
  D) Cholera
  E) Poliomyelitis
  Show Answer
  The correct answer is C .
• Question 488: Which of the following ions is involved in the conduction of the nerve impulse? Options:
  A) Ca²⁺
  B) K⁺
  C) H⁺
  D) Mg²⁺
  Show Answer
  The correct answer is B .
• Question 489: Which of the following statements on the mammalian circulatory system is NOT true? Options:
  A) Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein
  B) The blood in the hepatic portal vein is the richest in food substance
  C) Blood flow is controlled by valves in the veins
  D) Arteries are generally thicker and larger than veins
  E) Fibrin helps in the formation of blood clot
  Show Answer
  The correct answer is A .
• Question 490: Which of the following is the simplest living organism? Options:
  A) Paramecium
  B) Virus
  C) Amoeba
  D) Chlamydomonas
  Show Answer
  The correct answer is B .