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 2281: A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin? Options:
  A) AA
  B) OO
  C) AO
  D) AS
  E) SS
  Show Answer
  The correct answer is D .
• Question 2282: Which type of the following cells is thin-walled and living at maturity? Options:
  A) Collenchyma
  B) Sieve tube
  C) xylem vessel
  D) sclerenchyma
  Show Answer
  The correct answer is A .
• Question 2283:

  

  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 2284:

  Which of the following pairs of organisms are photosynthetic?

  Options:
  A) Amoeba and paramecium
  B) Euglena and chlamydomonas
  C) Volvox and Rhizopus
  D) Nostoc and plasmodium
  Show Answer
  The correct answer is B .
• Question 2285:

  Which of the following is a mixed gland?

  Options:
  A) Pituitary
  B) Adrenal
  C) Pancreas
  D) Ovary
  Show Answer
  The correct answer is C .
• Question 2286:

  

  Which of the following is an omnivore?

  Options:
  A) Praying mantis
  B) Hawk
  C) Mouse
  D) Grasshopper
  Show Answer
  The correct answer is C .
• Question 2287: The region of cell division in a root is Options:
  A) Root cap
  B) Endodermis
  C) Xylem
  D) Piliferous layer
  E) Meristem
  Show Answer
  The correct answer is E .
• Question 2288: Angiosperms and gymnosperms belong to the plants group known as Options:
  A) schizophyta
  B) bryophyta
  C) pteridophyta
  D) spermatophyta
  Show Answer
  The correct answer is D .
• Question 2289: The removal of remnant particles of digestion from the body is called Options:
  A) assimilation
  B) egestion
  C) elimination
  D) excretion
  Show Answer
  The correct answer is B .
• Question 2290: The loss of soil through erosion can be reduced by Options:
  A) watering
  B) crop rotation
  C) manuring
  D) irrigation
  Show Answer
  The correct answer is B .