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 1031:

  

  Which part of the twig produces auxins?

  Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is D .
• Question 1032:

  Use the list of ecological constituents below to answer the question below

  1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water

  Items 1-4 can be regarded as

  Options:
  A) a population
  B) a community
  C) an ecosystem
  D) a niche
  Show Answer
  The correct answer is B .
• Question 1033: In anaerobic respiration, glucose is converted to one of the following Options:
  A) Carbon dioxide and water
  B) Carbon dioxide only
  C) Carbon dioxide and alcohol
  D) Alcohol and water
  E) water and acetic acid
  Show Answer
  The correct answer is C .
• Question 1034: Insect show consideration powers of water conservation. This is due to the fact that Options:
  A) The chitinous cuticle is impregnated with tanned protein
  B) Nitrogenous waste is eliminated as urea
  C) Chitin is impermeable to water
  D) The malpighian tubules are impermeable to water
  E) The curticle is covered with wax
  Show Answer
  The correct answer is C .
• Question 1035: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) operculum → gills → mouth
  B) gills → operculum → mouth
  C) mouth → operculum → gils
  D) mouth → gills → operculum
  Show Answer
  The correct answer is D .
• Question 1036: Which of the following organs produces bile? Options:
  A) Gall bladder
  B) Pancreas
  C) Spleen
  D) Liver
  E) Stomach
  Show Answer
  The correct answer is D .
• Question 1037:

  

  Using the diagram, sexual reproduction is illustrated in

  Options:
  A) ii
  B) i
  C) iii
  D) iv
  Show Answer
  The correct answer is B .
• Question 1038:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 1039: Which of the following statements is NOT true of the piliferous layer of root? It Options:
  A) Has a very thin cuticle
  B) Is the outermost layer of the cortex
  C) May bear root hairs
  D) Breaks down as the root ages
  E) Is replaced by cork in old roots
  Show Answer
  The correct answer is A .
• Question 1040: An evidence of a common ancestral for fishes, amphibians, reptiles, birds and mammals is the Options:
  A) possession of wings by birds and bats
  B) cold-bloodedness of fishes, amphibians and reptile
  C) presence of gilll clefts in vertebrate embryos
  D) possession of scale by fish and reptiles
  Show Answer
  The correct answer is C .