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 11: 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 12:

  Aged erythrocytes are destroyed in the?

  Options:
  A) pancreas
  B) liver
  C) lymph nodes
  D) kidney
  Show Answer
  The correct answer is B .
• Question 13: Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have Options:
  A) a large volume of surface area ratio
  B) a large surface area to volume ratio
  C) their bodies immersed in the nutrients
  D) their outer membrane made of cellulose
  Show Answer
  The correct answer is B .
• Question 14:

  A freshwater plant such as water lily can solve the problem of buoyancy by the possession of?

  Options:
  A) aerenchyma tissues
  B) dissected leaves
  C) thin cell walls of the epidermis
  D) water-repelling epidermis
  Show Answer
  The correct answer is A .
• Question 15: 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 16: If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of Options:
  A) codominance
  B) incomplete dominance
  C) mutation
  D) linkage
  Show Answer
  The correct answer is B .
• Question 17: During ovulation, an egg is released from the Options:
  A) corpus luteum
  B) ovarian funnel
  C) graafian follicle
  D) fallopian tube
  Show Answer
  The correct answer is C .
• Question 18: Which of the following is NOT true of spirogyra? Options:
  A) Reproduces by conjugation
  B) Reproduces by fragmentation
  C) Consist of branched filaments
  D) Consist of unbranched filaments
  Show Answer
  The correct answer is C .
• Question 19: The legs and beak of an egret resemble those of the heron because they Options:
  A) both feed on fishes
  B) are both birds
  C) occupy similar niche
  D) occupy the same trophic level
  Show Answer
  The correct answer is A .
• Question 20: The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the Options:
  A) eye
  B) chorion
  C) allantois
  D) gill-silts
  Show Answer
  The correct answer is D .