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 551: Metabolic production of urea is carried out in the Options:
  A) urinary bladder and kidney
  B) Liver
  C) Pancreas
  D) Kidney and malphigian tubule
  Show Answer
  The correct answer is B .
• Question 552: In the earthworm, the cocoon is secreted by the Options:
  A) chaeta
  B) prostomium
  C) peristomium
  D) citellum
  Show Answer
  The correct answer is D .
• Question 553: Which of these is not true of the insect? The possession of Options:
  A) two pairs of antennae
  B) jointed appendages
  C) exoskeleton
  D) three pairs of legs
  E) segmented body
  Show Answer
  The correct answer is A .
• Question 554: Which of the following organs regulates the levels of water, salts , hydrogen ions and urea in the mammalian blood? Options:
  A) Liver
  B) Kidney
  C) Bladder
  D) Colon
  Show Answer
  The correct answer is B .
• Question 555: A sex-linked character cannot be passed on directly from Options:
  A) father to son
  B) mother to daughter
  C) mother to son
  D) father to daughter
  Show Answer
  The correct answer is A .
• Question 556:

  

  The function of the structure labelled G is to

  Options:
  A) carry out initial photosynthesis for the seedlings
  B) protect the young leaves from mechanical damage
  C) protect the young leaves from sun light
  D) protect the young leaves from insects pest
  Show Answer
  The correct answer is A .
• Question 557:

  

  Use the diagram above to answer this question. The male inflorescence is labelled

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is A .
• Question 558: Nastic movement is Options:
  A) response to light stimulus
  B) non-directional
  C) directional
  D) response to internal stimulus
  Show Answer
  The correct answer is B .
• Question 559: A tall plants crossed with a dwarf one produces offspring of which half are tall and half are dwarf. What are the genotypes of the parents? Options:
  A) TT, TT
  B) Tt, tt
  C) TT, tt
  D) Tt, Tt
  Show Answer
  The correct answer is B .
• Question 560: 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 .