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 1241:

  A group of organism of different species living in a particular area is described as a

  Options:
  A) colony
  B) community
  C) population
  D) niche
  Show Answer
  The correct answer is B .
• Question 1242:

  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 1243:

  I. Stomata --> Spirogyra

  II. Alveoli --> Earthworm

  III. Malpighian tubule -> Mammal

  IV. Contractile vacuole -> Protozoa

  Which of the above structures is correctly matched with the organisms in which it is found?

  Options:
  A) II
  B) I
  C) IV
  D) III
  Show Answer
  The correct answer is C .
• Question 1244: The formation of water in the tissue respiration results from the Options:
  A) breakdown of water molecules
  B) reduction of oxygen by hydrogen
  C) reduction of carbon(IV) oxide
  D) combination of water molecules
  Show Answer
  The correct answer is B .
• Question 1245: An onion bulb stores its food in the Options:
  A) Stem
  B) Leaves
  C) Roots
  D) Cotyledon
  E) Branches
  Show Answer
  The correct answer is B .
• Question 1246:

  The male sex cells also called gametes are produced in the testes by a process called

  Options:
  A) Gametogenesis
  B) Implantation
  C) Spermatogenesis
  D) Spermatozoa
  Show Answer
  The correct answer is C .
• Question 1247: A collection of achenes formed from several carpels of a flower is Options:
  A) a multiple fruit
  B) an aggregate fruit
  C) a shizocarp
  D) a simple fruit
  Show Answer
  The correct answer is C .
• Question 1248: A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of Options:
  A) complete dominance
  B) blending inheritance
  C) interaction of genes
  D) back crossing
  Show Answer
  The correct answer is B .
• Question 1249: If the phloem of a healthy plant is killed by heat treatment the Options:
  A) the upward movement of salt will cease
  B) food manufactured in the leaves will accumulate
  C) whole plant will die immediately
  D) leaves of the plant will become yellow
  Show Answer
  The correct answer is B .
• Question 1250:

  

  The grand period of growth is represented by

  Options:
  A) N
  B) M
  C) L
  D) K
  Show Answer
  The correct answer is A .