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 641: During the bending of the arm, the biceps muscles Options:
  A) contracts and the triceps muscles relaxes
  B) relaxes and the triceps muscles contracts
  C) and the triceps muscles contract
  D) and the triceps muscles relax
  Show Answer
  The correct answer is A .
• Question 642: 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 643: The hygrometer is used for measuring Options:
  A) relative humudity
  B) specific gravity
  C) rainfall
  D) salinity
  Show Answer
  The correct answer is A .
• Question 644: The highest level of ecological organization is the Options:
  A) ecosystem
  B) population
  C) biosphere
  D) niche
  Show Answer
  The correct answer is C .
• Question 645:

  The movement of Euglena towards the source of light is a?

  Options:
  A) tropic movement
  B) tactic movement
  C) nastic movement
  D) kinetic movement
  Show Answer
  The correct answer is B .
• Question 646: The causative agent of Poliomyelitis is Options:
  A) Virus
  B) Fungus
  C) Protozoan
  D) Bacterium
  Show Answer
  The correct answer is A .
• Question 647: The mammalian endocrine system is responsible for Options:
  A) transmitting impulse
  B) regulating body temperature
  C) regulating osmotic pressure of blood
  D) chemical co-ordination
  E) the manufacture of blood
  Show Answer
  The correct answer is D .
• Question 648:
  

  From the diagram above, the structure labelled I is the

  Options:
  A) incus
  B) malleus
  C) hammer
  D) stapes
  Show Answer
  The correct answer is D .
• Question 649: The least adaptive feature of aboreal life is the Options:
  A) possession of fouur limbs
  B) possession of claws
  C) development of long tail
  D) shading of coat colour
  Show Answer
  The correct answer is D .
• Question 650: Water retention is highest in soils which are rich in Options:
  A) sand, poor in humus and devoid of clay
  B) clay and sand, but poor in humus
  C) clay and humus, but poor in sand
  D) clay, poor in humus and devoid of sand
  E) sand and humus, but poor in clay
  Show Answer
  The correct answer is D .