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 441: The mode of feeding in Amoeba and Hydra is Options:
  A) heterotrophic
  B) holophytic
  C) autotrophic
  D) symbiotic
  Show Answer
  The correct answer is A .
• Question 442: If a plant homozygous for round and yellow (RR : YY), is crossed with a wrinkle green type (rr : yy) all of the resulting seeds will be Options:
  A) blue and wrinkled
  B) round and yellow
  C) wrinkled and yellow
  D) round and greenish yellow
  Show Answer
  The correct answer is B .
• Question 443: The transfer of pollen grains from the anther to a sigma is Options:
  A) propagation
  B) placentation
  C) pollination
  D) fertilization
  Show Answer
  The correct answer is C .
• Question 444: When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to Options:
  A) the addition of saccharin
  B) the addition of sugar
  C) the addition of whisky or local gin
  D) some complex hydrolytic reaction
  E) anaerobic respiration of an organism
  Show Answer
  The correct answer is E .
• Question 445:

  Which of the following type of soil has the highest water retaining capacity?

  Options:
  A) Loam
  B) Laterite
  C) Clay
  D) Sand
  Show Answer
  The correct answer is C .
• Question 446: Euglena may be classified as a plant because it Options:
  A) has chloroplast
  B) has a gullet
  C) lives in a pond
  D) possesses a flagellum
  E) has pellicle
  Show Answer
  The correct answer is A .
• Question 447:

  Albinism is an expression of trait controlled by

  Options:
  A) Chromosomes
  B) Recessive genes
  C) Dominant genes
  D) Mutation
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  The correct answer is B .
• Question 448: The mineral nutrient that is most bound to the soil is Options:
  A) phosphorus
  B) calcium
  C) iron
  D) potassium
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  The correct answer is C .
• Question 449: The mouth parts of the housefly are adapted for Options:
  A) Lapping and sponging
  B) Sucking and chewing
  C) Piercing and sucking
  D) Chewing and lapping
  E) Biting and chewing
  Show Answer
  The correct answer is A .
• Question 450: An evidence of the relationship between living organisms and their extinct relatives can best be obtained from Options:
  A) embryology
  B) comparative anatomy
  C) comparative physiology
  D) palaeontology
  Show Answer
  The correct answer is D .