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 1071: Osmosis can be defined as the movement of Options:
  A) Molecules from solution of higher concentration to low concentration
  B) Molecules from solution of low concentration to high concentration
  C) Water from solution of high concentration to low concentration
  D) Water across a semi-permeable membrane from solution of low concentration to high concentration
  E) Water across a semi-permeable membrane from solution of high concentration to low concentration
  Show Answer
  The correct answer is E .
• Question 1072:

  Cytokinesis of mitosis is a process that ensures that

  Options:
  A) each daughter cell gets the necessary organelles
  B) there is distribution of a complete set of genes into each daughter cell
  C) daughter cell inherit new genetic combinations
  D) worn out organelles are excluded from daughter cells
  Show Answer
  The correct answer is B .
• Question 1073: The structure that prevents food particle from escaping through the fish gills are called gill Options:
  A) arches
  B) filaments
  C) rakers
  D) lamellae
  Show Answer
  The correct answer is C .
• Question 1074: Which of the following is a characteristics of a bacteria except _______? Options:
  A) they can be seen under microscope
  B) they range from 0.5 µ m in diameter
  C) They are grouped accordingly to their cell shape
  D) they do not cause disease
  Show Answer
  The correct answer is D .
• Question 1075:

  

  The diagram represents the structure of

  Options:
  A) proteins
  B) chromosomes
  C) RNA
  D) DNA
  Show Answer
  The correct answer is D .
• Question 1076:

  

  An example of a plant having the placentation shown is

  Options:
  A) allamander
  B) hibiscus
  C) water lily
  D) pride of Barbados
  Show Answer
  The correct answer is D .
• Question 1077: The hygrometer is used for measuring Options:
  A) relative humudity
  B) specific gravity
  C) rainfall
  D) salinity
  Show Answer
  The correct answer is A .
• Question 1078: The mode of nutrition in which digestion is extracellular is Options:
  A) holophytic
  B) parasitic
  C) holozoic
  D) saprophytic
  Show Answer
  The correct answer is D .
• Question 1079: The product after the union of the male and female gamete in animals is called Options:
  A) sperm
  B) egg
  C) embryo
  D) zygote
  Show Answer
  The correct answer is D .
• Question 1080: The main function of the caudal fin in Tilapia is to Options:
  A) propel it forward in water
  B) steer it while changing direction
  C) balance it in water
  D) enable it to float in water
  Show Answer
  The correct answer is A .