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 721: The sequence of the biomes in Nigeria from port Harcourt to Damaturu is Options:
  A) estuarine → rain forest → Guinea Savannah → Sahel Savannah
  B) rain forest → Guinea savannah → estuarine → desert
  C) estuarine → Guinea savannah → rain forest → Sahel savannah
  D) rain forest → estuarine → Guinea savannah → desert
  Show Answer
  The correct answer is A .
• Question 722: The vascular tissues in higher plants are responsible for Options:
  A) the movement of food and water
  B) suction pressure
  C) transpiration pull
  D) the transport of gases and water
  Show Answer
  The correct answer is A .
• Question 723: The leech and the earthworm belong to the Options:
  A) mollusces
  B) crustaceans
  C) arachnides
  D) annelides
  Show Answer
  The correct answer is D .
• Question 724: Which of these is NOT an adaptive features for arboreal life? Options:
  A) Possession of long tail
  B) Possession of claws
  C) Possession of teeths
  D) counter shading in coat colour
  Show Answer
  The correct answer is C .
• Question 725: Lack of space in a population could lead to an increase in Options:
  A) water scarcity
  B) birth rate
  C) disease rate
  D) dought
  Show Answer
  The correct answer is C .
• Question 726:

  Which of the following is a nitrifying bacterium?

  Options:
  A) Rhizobium
  B) Nictrobacter
  C) Azotobacter
  D) Pseudomonas
  Show Answer
  The correct answer is B .
• Question 727:

  

  Use the diagram to answer the question. The breeding posture illustrated in the diagram is known as

  Options:
  A) mating
  B) amplexus
  C) courtship display
  D) reproductive swimming
  Show Answer
  The correct answer is B .
• Question 728: In vascular plants, the sieve tubes and companion cells are present in the Options:
  A) cambium
  B) cortex
  C) xylem
  D) phloem
  Show Answer
  The correct answer is D .
• Question 729:

  The lowest level of organization in living organisms is

  Options:
  A) organ
  B) cell
  C) system
  D) tissue
  Show Answer
  The correct answer is B .
• Question 730:

  

  Yam is used in this set-up because it

  Options:
  A) is a permeable to the salt solution
  B) is a plant material
  C) acts as a storage organ
  D) acts as a semi-permeable membrane
  Show Answer
  The correct answer is D .