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 1231:

  In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?

  Options:
  A) prevent algal growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevents photosynthesis in the root
  Show Answer
  The correct answer is A .
• Question 1232: Flatworms and roundworms are said to be invertebrates because Options:
  A) they are small animals
  B) they can live inside the vertebrates
  C) some of them are unicellular
  D) they have no backbones
  E) they are parasitic
  Show Answer
  The correct answer is D .
• Question 1233:

  Which of the following are components of glomerular filtrate?

  Options:
  A) All the components of blood except mineral salts
  B) Water and salt only
  C) All the components of blood except plasma protein and cells
  D) Blood cells, amino acid, salts and nitrogenous wastes
  Show Answer
  The correct answer is C .
• Question 1234:

  

  Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

  Options:
  A) transportation
  B) water culture
  C) diffusion
  D) osmosis
  Show Answer
  The correct answer is D .
• Question 1235: Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because Options:
  A) the deposit have remains of organisms characteristic of when they were formed
  B) different strata have remains of organisms of the same kind
  C) only organisms with strong parts are fossilized
  D) most animal and plant fossils bear little resemblance to present day living specimens
  Show Answer
  The correct answer is A .
• Question 1236:

  The growth of mucor on a piece of bread is?

  Options:
  A) scavenging
  B) commensalism
  C) autotrophism
  D) saprophytism
  Show Answer
  The correct answer is D .
• Question 1237:

  

  Blood vessels usually pass through the structure labelled

  Options:
  A) III
  B) II
  C) V
  D) IV
  Show Answer
  The correct answer is B .
• Question 1238: One common feature of the fungi, algae, mosses and ferns is that they Options:
  A) are photosynthetic
  B) show alternation of generation
  C) reproduce by means of conjugation
  D) can survive dry conditions
  E) have no seeds
  Show Answer
  The correct answer is E .
• Question 1239: The specific number of chromosomes in each somatic cell is represented by Options:
  A) 2^N
  B) 23
  C) 2N
  D) N
  Show Answer
  The correct answer is C .
• Question 1240: Which of the following combinations differentiates a bony fish from a cartilaginous fish? I. Presence of gills II. Absence of gill slits III. Possession of bony skeleton IV. Possession of laterally compressed body V. Possession of dorso-ventrally compressed body Options:
  A) I, II and III
  B) I, III and IV
  C) II, III and IV
  D) II, III and V
  Show Answer
  The correct answer is A .