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 241: The lungs of the lung fish is an adaptation for respiration _______? Options:
  A) to complement gills while in water
  B) to complement gills while on land
  C) while on land
  D) while in water
  Show Answer
  The correct answer is D .
• Question 242:

  A plant tissue that carries water and mineral salt is

  Options:
  A) Xylem
  B) Cortex
  C) Phloem
  D) Cambium
  Show Answer
  The correct answer is A .
• Question 243:

  The function of pith in plant is

  Options:
  A) absorb mineral salt and nutrient from the soil
  B) store and transport nutrients throughout the plant
  C) trap chlorophyll from the sunlight
  D) Removal of waste product from the plant
  Show Answer
  The correct answer is B .
• Question 244: A trawler on a fishing trip caught a type of animal with hairs on its body. This animal could have been Options:
  A) An amphibian
  B) a reptile
  C) a shark
  D) a mammal
  E) a seagull
  Show Answer
  The correct answer is D .
• Question 245:

  

  Stage 3 breathes

  Options:
  A) with the lungs
  B) with the external gills
  C) with the internal gills
  D) through the skin
  Show Answer
  The correct answer is D .
• Question 246:

  

  The sweat gland is the structure labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 247: All living organisms are constantly involved in a struggle for existence. This was proposed by Options:
  A) Morgan
  B) Darwin
  C) Lamarck
  D) Wallace
  Show Answer
  The correct answer is B .
• Question 248: Which of the following elements is essential for the formation of haemoglobin? Options:
  A) Sodium
  B) Potassium
  C) Calcium
  D) Iron
  Show Answer
  The correct answer is D .
• Question 249: The farmer cannot check soil erosion effectively by Options:
  A) Constructing is ridges of planting across the slope
  B) Cultivating cover crops
  C) Practising strip farming
  D) Clearing the land of vegetation
  E) Constructing terraces
  Show Answer
  The correct answer is D .
• Question 250:

  Ecological succession refers to

  Options:
  A) The movement of organisms from one habitat to another
  B) The competition among species for limited resources
  C) The process of natural selection in a population
  D) The gradual and predictable change in a community over time
  Show Answer
  The correct answer is D .