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 1261: The stem differs from the root in having the xylem and phloem strands Options:
  A) on the same radii
  B) scattered
  C) on alternate radii
  D) towards the pith
  Show Answer
  The correct answer is A .
• Question 1262: Which path does sound entering the human ear follow? Options:
  A) Oval window → ossicles → ear drum
  B) Ear drum → oval window → ossicles
  C) Ear drum → ossicles → oval window
  D) Ossicles → ear drum → oval window
  Show Answer
  The correct answer is C .
• Question 1263: The mode of nutrition exhibited by a tapeworm is Options:
  A) symbiotic
  B) saprophytic
  C) parasitic
  D) holozoic
  Show Answer
  The correct answer is C .
• Question 1264:

  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 1265: The organ which secretes digestive enzymes as well as hormones is the Options:
  A) liver
  B) salivary gland
  C) pancreas
  D) spleen
  Show Answer
  The correct answer is C .
• Question 1266: Spines and shells on animals are adaptation for Options:
  A) camouglage
  B) chemical defence
  C) physical defence
  D) mimicry
  Show Answer
  The correct answer is C .
• Question 1267: The biological factor that is unique to each individual is the Options:
  A) DNA
  B) eye colour
  C) blood group
  D) RNA
  Show Answer
  The correct answer is A .
• Question 1268: The male reproductive organ of a flower is the Options:
  A) carpel
  B) stamen
  C) petal
  D) sepal
  Show Answer
  The correct answer is B .
• Question 1269: The absence of anti-diuretic hormone in humans results in Options:
  A) decreasing dehydration
  B) drastic dehydration
  C) eliminating dehydration
  D) increasing dehydration
  Show Answer
  The correct answer is D .
• Question 1270:

  

  Which structure is known as the power house of the cell?

  Options:
  A) 6
  B) 5
  C) 4
  D) 3
  Show Answer
  The correct answer is C .