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 251:

  

  In the diagram, The economic importance of the larva is that it

  Options:
  A) is eaten by birds
  B) develop into a moth
  C) resembles the plant on which it lives
  D) feeds on the leaves of crops
  Show Answer
  The correct answer is D .
• Question 252: Kwashiorkor is caused by severe deficiency of Options:
  A) Water
  B) Oil
  C) Drugs
  D) Proteins
  E) Sugars
  Show Answer
  The correct answer is D .
• Question 253: The Cerebellum of the Brain controls Options:
  A) Reflex Action
  B) Muscular Activity
  C) Emotional Expressions
  D) the Endocrine System
  Show Answer
  The correct answer is B .
• Question 254: The mammalian lung is made air tight by the Options:
  A) pleural cavity
  B) mucous membrane
  C) pleural membrane
  D) diaphragm
  Show Answer
  The correct answer is C .
• Question 255: Which of the following is lacking in the diet of a person with kwashiorkor? Options:
  A) proteins
  B) carbohydrates
  C) minerals
  D) vitamins
  Show Answer
  The correct answer is A .
• Question 256: A fresh water plant such as water lily can solve the problem of buoyancy by the possession of Options:
  A) aerenchymarous tissues
  B) dissected leaves
  C) thin cell walls of the epidermis
  D) water-repelling epidermis
  Show Answer
  The correct answer is A .
• Question 257: A flower that has both stamens and pistils is said to be Options:
  A) staminate
  B) pistillate
  C) perfect
  D) imperfect
  Show Answer
  The correct answer is C .
• Question 258: The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as Options:
  A) free-central placentation
  B) axile placentation
  C) parietal placentation
  D) marginal placentation
  Show Answer
  The correct answer is C .
• Question 259:

  The appendicular skeleton is composed of the pectoral girdle?

  Options:
  A) pelvic girdle, fore and hind limbs
  B) pelvic girdle and fore limbs
  C) lumbar vertebrae and pelvic girdle
  D) lumbar vertebrae, fore and hind limbs
  Show Answer
  The correct answer is A .
• Question 260:

  

  Use the diagram above to answer this question.The main function of the feathers covering the part labelled is to

  Options:
  A) prevent ectoparasites from attacking the animal
  B) generate heat to keep the animal warm
  C) provide some power for flight
  D) serve as insulator to maintain body heat
  Show Answer
  The correct answer is D .