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 2351:

  

  The structure above represents a

  Options:
  A) caudal vertebra
  B) lumbar vertebra
  C) thoracic vertebra
  D) cervical vertebra
  Show Answer
  The correct answer is D .
• Question 2352: In lizards, the lowering of the gular fold is used to Options:
  A) catch insects
  B) attract mates
  C) defend their territory
  D) frighten enemies
  Show Answer
  The correct answer is B .
• Question 2353:

  Blood circulation in a mammal is said to be double because?

  Options:
  A) it passes twice through the heart in a complete circuit
  B) it moves in both arteries and veins
  C) it circulates in both the heart and other organs
  D) the heart contains auricles and ventricles
  Show Answer
  The correct answer is A .
• Question 2354: the larval stage of a mosquito is called Options:
  A) wriggler
  B) grub
  C) maggot
  D) caterpillar
  Show Answer
  The correct answer is A .
• Question 2355: The soil type that contain nutrients which are not readily available for plants is Options:
  A) alluvial
  B) clayey
  C) sandy
  D) loamy
  Show Answer
  The correct answer is B .
• Question 2356: Manufactured food in the plant is transported through the Options:
  A) xylem
  B) phloem
  C) cambium
  D) cortex
  Show Answer
  The correct answer is B .
• Question 2357: The vitamin which is important in the formation of the retina pigment is Options:
  A) vitamin A
  B) vitamin B
  C) vitamin C
  D) vitamin D
  Show Answer
  The correct answer is A .
• Question 2358: The two keys cation involved in the action potential of nervous transmissions are Options:
  A) Na⁺ an Fe²⁺
  B) Mg²⁺ and K⁺
  C) Na⁺ and K⁺
  D) Fe²⁺ and Mg²⁺
  Show Answer
  The correct answer is C .
• Question 2359:

  When the original king and queen of termites die, they are replaced by

  Options:
  A) the king and queen of another colony
  B) some adult reproductives from the same colony
  C) some adult workers which are specially fed to breed
  D) developing nymphs nurtured as secondary reproductives
  Show Answer
  The correct answer is D .
• Question 2360: Carbon (iv) oxide is added to the atmosphere when ________? Options:
  A) plants build-up organic compounds
  B) plants absorb mineral salts
  C) sugars are completely broken down in animals
  D) there is thunderstorm
  Show Answer
  The correct answer is A .