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 2031:

  

  What would happen if solution Y is more concentrated than solution X in fig 2?

  Options:
  A) The level of X would rise, Y would falls
  B) The level of X would rise, Y would rise
  C) The level of X and Y stands the same
  D) The level of Y would rise, X would fall.
  Show Answer
  The correct answer is D .
• Question 2032: The phenotype of an individual can be summed up as the Options:
  A) totality of the expressed traits
  B) individual's physical appearance
  C) individual's entire genetical make-up
  D) physiological traits of individual
  Show Answer
  The correct answer is B .
• Question 2033: In plant cells, the chloroplast are located Options:
  A) inside the cell wall
  B) outside the protoplasm
  C) within the vacuole
  D) within the cytoplasm
  Show Answer
  The correct answer is D .
• Question 2034: Evidence that a tooth is a living part of the mammalian can be found within the Options:
  A) gum
  B) pulp cavity
  C) cement
  D) enarmel
  Show Answer
  The correct answer is B .
• Question 2035:

  

  The part labelled II is

  Options:
  A) pellicle
  B) cytoplasmic connections
  C) flagella
  D) cells
  Show Answer
  The correct answer is B .
• Question 2036: A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that Options:
  A) the shoot absorbed 1g of water per hour
  B) 1g of water per hour evaporates from the potometer
  C) the shoot lost 1g of water per hour
  D) the potometer water receded at the rate of 1g per hour
  E) the shoot was respiring and lost weight at rate of 1g per hour
  Show Answer
  The correct answer is C .
• Question 2037: The very bright colours in some types of mushroom Options:
  A) are warning that they may be poisonous
  B) indicate they are very taste
  C) attract potential transporters of the spores
  D) perform the same function as bright colours in flowers
  Show Answer
  The correct answer is A .
• Question 2038:

  

  In mammals, reabsorption of salt takes place in

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is B .
• Question 2039:

  Which of the reproductive system in mammals secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system?

  Options:
  A) Cowper's gland
  B) Prostate gland
  C) Vas deferens
  D) Seminal Vesicle
  Show Answer
  The correct answer is A .
• Question 2040:

  In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called:

  Options:
  A) Homozygous
  B) Dominant
  C) Heterozygous
  D) Recessive
  Show Answer
  The correct answer is C .