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 311: Short-sightedness can be corrected by lenses which are Options:
  A) convex
  B) biconvex
  C) plano-convex
  D) concave
  Show Answer
  The correct answer is D .
• Question 312:

  The under secretion of thyroxine in children results in?

  Options:
  A) goitre
  B) gigantism
  C) kwashiorkor
  D) cretinism
  Show Answer
  The correct answer is D .
• Question 313:

  Which of the following is an example of discontinous variatio?

  Options:
  A) The range in height of a pea plant from 30cm to 50cm
  B) Offsprings including two male cats and three female cats
  C) The colour of pear plants grown in the dark
  D) The adult body weight ranging from 50kg to 95kg
  Show Answer
  The correct answer is B .
• Question 314: A green snake in green grass is able to escape notice from predators because of its Options:
  A) disruptive colouration
  B) counter shading
  C) warning colouration
  D) cryptic colouration
  Show Answer
  The correct answer is D .
• Question 315:

  Metamorphosis is a biological process that involves

  Options:
  A) The growth and development of an organism from a zygote to an adult
  B) The change in form and structure during the life cycle of certain organisms
  C) The regeneration of lost body parts in an organism
  D) The transformation of an organism from an adult stage to a larval stage
  Show Answer
  The correct answer is B .
• Question 316: Fruits which develop without fertilization are described as Options:
  A) simple
  B) pathencorpic
  C) aggregate
  D) compound
  Show Answer
  The correct answer is B .
• Question 317: The path followed by air as it passes through the lungs in mammals is Options:
  A) bronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
  B) bronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
  C) trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
  D) trachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
  Show Answer
  The correct answer is C .
• Question 318: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of Options:
  A) wings and segmented body
  B) compound eyes
  C) claws on the leg
  D) dorso-ventrally flattened body
  Show Answer
  The correct answer is D .
• Question 319: The dominant phase in the life cycle of a fern is the? Options:
  A) prothallus
  B) sporophyte
  C) antheridium
  D) gametophyte
  Show Answer
  The correct answer is B .
• Question 320: A dry dehiscent fruit which breaks up into one-seeded part is a Options:
  A) schizocarp
  B) capsule
  C) follicle
  D) legume
  Show Answer
  The correct answer is A .