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 2321: Which enzymes are contained in the pancreatic juice? Options:
  A) Ptayalin, lipase and pepsin
  B) Maltase, erepsin and trypsin
  C) Renin, sucrase and lipase
  D) Amylase, lipase and trypsin
  Show Answer
  The correct answer is D .
• Question 2322: In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in Options:
  A) copper
  B) iron
  C) magnesium
  D) calcium
  Show Answer
  The correct answer is B .
• Question 2323: The soil type that will be most difficult to plough in a wet season is one that is Options:
  A) loamy
  B) clayey
  C) sandy
  D) silty
  Show Answer
  The correct answer is B .
• Question 2324: When an ovary is placed on the receptacle above the other floral parts it is referred to as Options:
  A) half inferior ovary
  B) superior ovary
  C) inferior ovary
  D) half superior ovary
  Show Answer
  The correct answer is B .
• Question 2325:

  

  Protein-like bodies are borne on the part labelled

  Options:
  A) II
  B) III
  C) IV
  D) V
  Show Answer
  The correct answer is A .
• Question 2326:

  Which of the following is an example of an abiotic ecological factor?

  Options:
  A) Temperature
  B) Competition
  C) Predation
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 2327: If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome Options:
  A) X
  B) XY
  C) XX
  D) YY
  E) Y
  Show Answer
  The correct answer is A .
• Question 2328: If a nursing mother is not producing enough milk, her hormonal system is probably deficient in Options:
  A) prolactin
  B) testosterone
  C) thyroxin
  D) insulin
  Show Answer
  The correct answer is A .
• Question 2329: In Mucor or Rhizopus carbohydrate is absorb in the form of Options:
  A) starch
  B) sucrose
  C) glucose
  D) glycogen
  E) arabinose
  Show Answer
  The correct answer is C .
• Question 2330: Organisms living in an estuarine habitat are adapted to Options:
  A) withstand wide fluctuations in temperature
  B) survive only in water with low salinity
  C) withstand wide fluctuations in salinity
  D) feed only on phytoplankton and dead organic matter
  Show Answer
  The correct answer is C .