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 811: 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 812: 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 813: The ratio of carriers to sicklers in the F₁ generation derived from a parental cross of two carriers of haemoglobin S gene is Options:
  A) 3 : 1
  B) 1 : 3
  C) 2 : 1
  D) 1 : 2
  Show Answer
  The correct answer is C .
• Question 814: In snails, the hard calcareous shells are secreted by the Options:
  A) radula
  B) ctenidium
  C) pneumostome
  D) mantle
  Show Answer
  The correct answer is D .
• Question 815: 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 816:

  When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because?

  Options:
  A) the tank was too small compared to the large-ocean
  B) the body cells of the fish swelled and burst as a result of the hypotonic fresh water
  C) the body cells of the fish shrank as their sap was hypertonic to the freshwater
  D) there was no food in the tank, so the fish starved
  Show Answer
  The correct answer is B .
• Question 817: Scales on reptiles are a feature for Options:
  A) conserving water
  B) conserving food
  C) protecting the skin
  D) locomotion
  Show Answer
  The correct answer is A .
• Question 818: The cell of an onion bulb can be differentiated from a cheek cell by the presence of Options:
  A) plasmalemma
  B) chloroplast
  C) cell wall
  D) nucleus
  Show Answer
  The correct answer is C .
• Question 819: 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 820: Spirogyra reproduces vegetatively by Options:
  A) spore production
  B) fragmentation
  C) multiple fission
  D) budding
  E) binary fission
  Show Answer
  The correct answer is B .