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 1: 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 2: An amoeba and an unlaid chicken egg are Options:
  A) anial tissue
  B) organelles
  C) single cell
  D) organisms
  Show Answer
  The correct answer is C .
• Question 3:

  The most abundant group of organisms in the animal kingdom?

  Options:
  A) Mammalia
  B) Aves
  C) Insecta
  D) Annelida
  Show Answer
  The correct answer is C .
• Question 4:

  In natural selection, Darwin proposed that evolution occurred because of the following conditions except

  Options:
  A) that nature selects those that will survive to reproduce their kind
  B) there is a fierce competition among the offspring
  C) that the weaker offspring are eliminated
  D) food and other needs are abundant
  Show Answer
  The correct answer is D .
• Question 5: Insects that goes through adult stage without becoming pupa are except ________ Options:
  A) crickets
  B) cockroach
  C) grasshopper
  D) bees
  Show Answer
  The correct answer is D .
• Question 6: Which of the following tissue are made up of dead cells? Options:
  A) Meristematic
  B) Xylem vessels
  C) Cambium
  D) Mesophyll
  E) Palisade
  Show Answer
  The correct answer is B .
• Question 7:
  

  The above diagram represents a competitive interaction between organism in communities I and II. Which of the following statements is CORRECT?

  Options:
  A) The population of I was higher than II at the beginning of the experiments
  B) II was wiped out from the enviroment at the end of the experiments
  C) The population of II was always lower than that of
  D) The population of I was lower at the end of the experiment than at the beginning
  Show Answer
  The correct answer is B .
• Question 8: The presence of sunken stomata and the folding of leaves are adaptations to Options:
  A) Prevent entry of pathogens
  B) Reduce water loss
  C) Remove excess water
  D) Prevent guttation
  Show Answer
  The correct answer is B .
• Question 9: Which of following is NOT involved in the transport of substance in the body? Options:
  A) Lymph
  B) Plasma
  C) Leucocytes
  D) Erythrocytes
  Show Answer
  The correct answer is C .
• Question 10: The organisms with the least number of individuals in a pyramid of numbers are the Options:
  A) secondary consumers
  B) tertiary consumers
  C) primary producers
  D) primary consumers
  Show Answer
  The correct answer is B .