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 1021: A characteristic of the phylum coelenterata is that Options:
  A) most of them are marine
  B) they possess a gut with a single opening
  C) thy possess numerous pores on their body
  D) they are bilaterally symmetrical
  Show Answer
  The correct answer is B .
• Question 1022: The matured sex cell which takes part in sexual reproduction is referred to as Options:
  A) gamete
  B) fetus
  C) embryo
  D) zygote
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  The correct answer is A .
• Question 1023: Which of the following is true of the transverse section of a dicot system? Options:
  A) the xylem is more interiory located than the phleom
  B) the cambium lies between the cortex and the vascular bundles
  C) the vascular bundles are randomly scattered within the cortex
  D) the epidemis is completely encircled by the cortex
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  The correct answer is A .
• Question 1024: In man, the ability to roll the tongue is a variation classified as Options:
  A) anatomical
  B) physiological
  C) structural
  D) morphological
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  The correct answer is B .
• Question 1025: What is the primary function of cofactors? Options:
  A) To aid in enzyme function
  B) To synthesize enzymes
  C) To inhibit enzymes
  D) To break down old enzymes
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  The correct answer is A .
• Question 1026: The rate of transpiration is NOT affected by Options:
  A) the weight of the stomata pores
  B) humidity
  C) temperature
  D) the size of the stomata pores
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  The correct answer is A .
• Question 1027:

  The reason why the flow of blood through the capillaries is very slow is

  Options:
  A) because the walls of Capillaries are very thin
  B) to avoid high blood pressure
  C) to ensure that the individual does not get dizzy
  D) to allow adequate time for exchange of materials
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  The correct answer is D .
• Question 1028: Which of the following vertebrates has the most simple structured heart Options:
  A) reptile
  B) fish
  C) mammal
  D) amphibian
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  The correct answer is B .
• Question 1029:

  The function of ribosome in cells is

  Options:
  A) protein synthesis
  B) starch synthesis
  C) transport of material
  D) lipid storage
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  The correct answer is A .
• Question 1030: Drancunculiasis can be contacted through Options:
  A) eating contaminated food
  B) drinking contaminated water
  C) bathing in contaminated water
  D) bites of blackfly
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  The correct answer is B .