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 1151: An example of monohybride inheritance in man is Options:
  A) astigmatism
  B) cretinism
  C) hyperthyroidism
  D) albinism
  Show Answer
  The correct answer is D .
• Question 1152: The hyphal wall of fungi is rigid owing to the Options:
  A) cell wall
  B) lignin
  C) cellulose
  D) chitin
  Show Answer
  The correct answer is D .
• Question 1153: During the manufacture of food by plants, which of the following organism use energy from the sun? Options:
  A) anabaena
  B) sulfur bacteria
  C) nitrosomonas sp
  D) nitrobacter sp
  Show Answer
  The correct answer is A .
• Question 1154: The process of deamination is essential for the Options:
  A) digestion of protein
  B) secretion of bile
  C) formation of urea
  D) formation of antibody
  Show Answer
  The correct answer is A .
• Question 1155:

  Which of the following statement is correct about Southern Guinea Savanna in Nigeria

  Options:
  A) It is the largest of all the biotic community in Nigeria
  B) It has plants species like Iroko, Opepe etc
  C) It has plants species like Iroko, Opepe etc
  D) It has no trees
  Show Answer
  The correct answer is A .
• Question 1156: Which of the following is a sex-linked character? Options:
  A) Sickle-cell anaemia
  B) Tongue rollling
  C) Skin colour
  D) Colour blindness
  Show Answer
  The correct answer is D .
• Question 1157: The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the Options:
  A) eye
  B) chorion
  C) allantois
  D) gill-silts
  Show Answer
  The correct answer is D .
• Question 1158: Which of the following features are all associated with monocots? Options:
  A) Fibrous root system, branched network of veins and one seed leaf
  B) Fibrous root system, two seed leaves and floral parts in threes
  C) One seed leaf, petals in threes or group of thees and parallel venation of leaves
  D) One seed leaf, net-veined leaves and petals in threes or multiple of three
  Show Answer
  The correct answer is C .
• Question 1159: The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is Options:
  A) pith, phloem, cambium, xylem, parenchyma, collenchyma and epidermis
  B) xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis
  C) pith, xylem, cambium, phloem, collenchyma, parenchyma and epidermis
  D) phhloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis
  Show Answer
  The correct answer is C .
• Question 1160: The rate of transpiration of a leafy shoot would be highest under Options:
  A) damp, cold, still air
  B) damp, warm, moving air
  C) dry, warm, moving air
  D) dry, cold, moving air
  E) dry, warm, still air
  Show Answer
  The correct answer is C .