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 41: Salts and water are absorbed in the roots and transported to leaves by Options:
  A) diffusion through the xylem tissues
  B) osmosis through the phloem tissues
  C) diffusion through the phloem tissues
  D) osmosis through the xylem tissues
  Show Answer
  The correct answer is D .
• Question 42:

  

  The aim of the experiment is to demonstrate

  Options:
  A) that in mammal gaseous exchange takes place in the lungs
  B) the part played by the pleural cavity and diaphragm in respiration
  C) that a large amount of oxygen is absorbed by the lungs
  D) the presence of carbon (IV) oxide in the exhaled air
  Show Answer
  The correct answer is B .
• Question 43: The following are kidney diseases except Options:
  A) diuresis
  B) hepatitis
  C) nephritis
  D) oedema
  Show Answer
  The correct answer is B .
• Question 44: A multinucleate body without internal cell boundaries is characteristics Options:
  A) bryop
  B) fungi
  C) algae
  D) gymnosperms
  Show Answer
  The correct answer is B .
• Question 45: The insects in which the maxillae are modified into a long coiled proboscis is Options:
  A) housefly
  B) butterfly
  C) mosquito
  D) grasshopper
  Show Answer
  The correct answer is B .
• Question 46: Double fertilization in higher plants is significant because it ensures the Options:
  A) formation of a fertile embryo
  B) formation of a fertile embryo and the endosperm
  C) developement of the seed
  D) developement of the fruit
  Show Answer
  The correct answer is B .
• Question 47: The best explanation for the theories of natural selection is that Options:
  A) all organisms have equal capacity for survival in their habitats
  B) organisms have varying capacities for survival in their habitats
  C) organisms compete for resource and better competitors survive and thrive
  D) habitats allow only organisms that will not have to compete for survival
  Show Answer
  The correct answer is C .
• Question 48:

  Which of the following animals is cold blooded?

  Options:
  A) Cat
  B) Lizard
  C) Whale
  D) Bird
  Show Answer
  The correct answer is B .
• Question 49: The protista that is a producer is an aquatic food chain is Options:
  A) trypanosome
  B) paramecium
  C) chamydomonas
  D) amoeba
  Show Answer
  The correct answer is C .
• Question 50: The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termed Options:
  A) anabolism
  B) catabolism
  C) growth
  D) development
  Show Answer
  The correct answer is C .