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 1221: 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 1222: In the onion bulb, food is stored in the Options:
  A) stem
  B) lateral buds
  C) cotyledons
  D) outer scale leave
  E) leaf base
  Show Answer
  The correct answer is E .
• Question 1223: The oxidative part of the respiratory process takes place in the Options:
  A) mitochondria
  B) ribosomes
  C) endoplasmic reticulum
  D) golgi bodies
  Show Answer
  The correct answer is A .
• Question 1224: When a peacock displays its colourful feathers, it is Options:
  A) ready for a fight
  B) protecting itself from predators
  C) protecting its mate from predators
  D) courting a female
  Show Answer
  The correct answer is D .
• Question 1225: The flame cells are used for excretion in Options:
  A) Fluke
  B) Nematode
  C) Bacteria
  D) Volvox
  Show Answer
  The correct answer is A .
• Question 1226: The role of the male adult honey bee is to Options:
  A) clean the hive
  B) ventilates the hive
  C) mate with the queen
  D) care for the young
  Show Answer
  The correct answer is C .
• Question 1227: Carbon (IV) oxide content of the atmosphere is least affected by Options:
  A) cutting down and clearing of forests
  B) forest fires
  C) burning of fossil fuels
  D) plant and animal respiration
  Show Answer
  The correct answer is A .
• Question 1228: The most efficient respiratory structure used by free living protozoan is ________ Options:
  A) body surface
  B) gills
  C) buccal cavity
  D) spiracle
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  The correct answer is A .
• Question 1229: Asexual reproduction does NOT occur in Options:
  A) Mucor, Spirogyra and Paramecium
  B) Penicillium, Paramecium and Amoeba
  C) Mucor, Rhizophus and Penicillium
  D) Amoeba, Spyrogyra and Mucor
  E) Rhizophus, Ascaris and Amoeba
  Show Answer
  The correct answer is E .
• Question 1230:

  Long neck in giraffe is used to illustrate the theory of

  Options:
  A) Use and Disuse
  B) Origin of species
  C) Origin of life
  D) Natural selection
  Show Answer
  The correct answer is A .