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 1391: If calcium is deficient in food this may cause Options:
  A) anaemia
  B) retarded growth
  C) sterility
  D) goitre
  E) beri-beri
  Show Answer
  The correct answer is B .
• Question 1392: The region that control most of the unconscious processes of a mammalian body is the Options:
  A) cerebellum
  B) cerebrum
  C) spinal cord
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 1393:

  The growth of mucor on a piece of bread is?

  Options:
  A) scavenging
  B) commensalism
  C) autotrophism
  D) saprophytism
  Show Answer
  The correct answer is D .
• Question 1394: The excretory organ in insects is the Options:
  A) kidney
  B) malpighian tubule
  C) flame cell
  D) nephridium
  Show Answer
  The correct answer is B .
• Question 1395: The modes of nutrition in Nitrobacter, Ascaris and Homo sapiens respectively are Options:
  A) photosynthetic , parasitic and holozoic
  B) chemosynthetic, parasitic and holozoic
  C) photosynthetic, parasitic and heterophytic
  D) chemosynthetic, holophytic and holozoic
  Show Answer
  The correct answer is B .
• Question 1396: Underground stems which grow horizontally through the soil are Options:
  A) Bulbs
  B) Rhizomes
  C) Runners
  D) Corms
  E) Stolons
  Show Answer
  The correct answer is B .
• Question 1397: The primary and secondary hosts respectively of bilharzia are Options:
  A) fish and man
  B) man and dog
  C) snail and man
  D) man and snail
  E) fish and snail
  Show Answer
  The correct answer is D .
• Question 1398:
  

  Use the diagram above to answer this question. Arrows represent directional movement materials.

  The arrow labelled ll represents the

  Options:
  A) release of oxygen
  B) intake of carbon (IV) oxide
  C) movement of photosynthates
  D) movement of nutrients
  Show Answer
  The correct answer is A .
• Question 1399: One significant difference between roots and stem is that Options:
  A) Branch roots originate in the pericycle while stem do not
  B) Stems are always bove the ground while root are always below the ground
  C) Stems are positively geotropic while roots are negatively geotropic
  D) Stem are sometime used for storage while roots are never used
  E) Stems grow in both length and circumference while root grow only in length
  Show Answer
  The correct answer is A .
• Question 1400: The substance that is responsible for optical dominance in plants is known as Options:
  A) gibberellin
  B) tannin
  C) auxin
  D) kinin
  Show Answer
  The correct answer is C .