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 471: Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat? Options:
  A) Turbidity
  B) Temperature
  C) pH
  D) Salinity
  Show Answer
  The correct answer is D .
• Question 472: In snails, the hard calcareous shells are secreted by the Options:
  A) radula
  B) ctenidium
  C) pneumostome
  D) mantle
  Show Answer
  The correct answer is D .
• Question 473: A feature which adapts birds to flight is the possession of Options:
  A) scaly legs
  B) light bones
  C) two walking legs
  D) a pointed beak
  Show Answer
  The correct answer is B .
• Question 474: Which of the following are non-green plants? Options:
  A) Euglena
  B) Fungi
  C) Spirogyra
  D) Angiosperms
  Show Answer
  The correct answer is B .
• Question 475: which of these diseases cannot be controlled by killing the vector? Options:
  A) River blindness
  B) Malaria
  C) Polio
  D) Cholera
  E) Bilharzia (shistosoma)
  Show Answer
  The correct answer is C .
• Question 476: IF an organism obtains its food by means of haustoria, it is said to be Options:
  A) holophytic
  B) heterophytic
  C) saprophytism
  D) parasitic
  Show Answer
  The correct answer is D .
• Question 477: Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones Options:
  A) 3 → 1 → 2 → 4
  B) 3 → 2 →4 → 1
  C) 3 → 1 →2 → 4
  D) 3 → 4 → 1 → 2
  E) 3 → 1 → 4 → 2
  Show Answer
  The correct answer is D .
• Question 478: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 479: The animals that move by means of flagella include Options:
  A) Chlamydomonas and Euglena
  B) Planeria and Amoeba
  C) Amoeba and Hydra
  D) Paramecium and Planeria
  Show Answer
  The correct answer is A .
• Question 480:

  

  Which parts provide food for the developing chick?

  Options:
  A) 2 and 3
  B) 4 and 5
  C) 3 and 4
  D) 2 and 5
  E) 1 and 2
  Show Answer
  The correct answer is C .