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 431: The butterfly is of great economic importance because Options:
  A) of its use in scientific studies
  B) it sucks nectar from flowers
  C) it adds to the beauty of the enviroment
  D) it polllinates flowers of crops and other plants
  Show Answer
  The correct answer is D .
• Question 432: Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers Options:
  A) 2 → 1 → 4 → 3 → 5
  B) 5 → 4 → 3 → 2 → 1
  C) 2 → 4 → 5 → 1 →3
  D) 3 → 2 → 4 → 5 → 1
  E) 4 → 3 → 2 → 5 → 1
  Show Answer
  The correct answer is E .
• Question 433: Which of the following statement is NOT correct with respect to inhalation in mammals? The Options:
  A) intercostal muscles contract
  B) diaphragm is raised
  C) ribs are raised
  D) Pressure of the thoracic cavity decreases
  Show Answer
  The correct answer is B .
• Question 434: Important abiotic factors which affects all plants and animals in the habitat are Options:
  A) temperature and turbidity
  B) rainfall and relative humididty
  C) salinity and wind direction
  D) temperature and rainfall
  Show Answer
  The correct answer is D .
• Question 435: The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by Options:
  A) birds and reptiles
  B) fishes and birds
  C) reptiles and fishes
  D) birds and molluscs
  Show Answer
  The correct answer is A .
• Question 436:

  Man can contact tapeworm through

  Options:
  A) ingesting uncooked meat
  B) from fish
  C) from breathing
  D) through contact
  Show Answer
  The correct answer is A .
• Question 437: The sequence of ear ossicles from the fenestra ovalis is Options:
  A) malleus, incus and stapes
  B) malleus, stapes and incus
  C) stapes, incus and malleus
  D) stapes, malleuls and incus
  Show Answer
  The correct answer is C .
• Question 438: A larger percentage of tropical soils tends to be acidic because they Options:
  A) contain large quantities of potash
  B) contain large quantities of lime
  C) lose a high proportion of their organic matter to running water
  D) lose lime and potash from the top soil through rain action
  Show Answer
  The correct answer is D .
• Question 439:

  

  Which organism in the pyramid functions as a tertiary consumer?

  Options:
  A) Algea
  B) Shark
  C) Tadpole
  D) Tilapia
  Show Answer
  The correct answer is B .
• Question 440: The movement response of a cockroach away from a light source is Options:
  A) negative phototropism
  B) positive phototaxism
  C) negative phototropism
  D) postive phototropism
  Show Answer
  The correct answer is A .