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 371:

  

  Evapouration and transpiration are respectively represented by the components labelled

  Options:
  A) I and III
  B) II and III
  C) III and IV
  D) IV and I
  Show Answer
  The correct answer is A .
• Question 372: The severe deficiency of vitamin C leads to Options:
  A) Kwashiokor
  B) beriberi
  C) pellagra
  D) scurvy
  Show Answer
  The correct answer is D .
• Question 373: A person whose blood can be donated to all other people, must have the blood group Options:
  A) O
  B) AB
  C) B
  D) A
  E) none of the above
  Show Answer
  The correct answer is A .
• Question 374: The excessive use of agro-chemicals could lead to the pollution of Options:
  A) the lithosphere
  B) the atmosphere
  C) fresh water
  D) space
  Show Answer
  The correct answer is C .
• Question 375: The farmer cannot check soil erosion effectively by Options:
  A) Constructing is ridges of planting across the slope
  B) Cultivating cover crops
  C) Practising strip farming
  D) Clearing the land of vegetation
  E) Constructing terraces
  Show Answer
  The correct answer is D .
• Question 376: Blood clotting is initiated by Options:
  A) Leucocytes
  B) Platelets
  C) Haemolymph
  D) Haemoglobin
  E) Erythrocytes
  Show Answer
  The correct answer is B .
• Question 377:

  

  A function of the part labelled II is to

  Options:
  A) equalize pressure on both sides of the tympanum
  B) conduct sound waves to the brain
  C) help the animal maintain balance or posture
  D) transform sound waves into electric impulses
  Show Answer
  The correct answer is A .
• Question 378: An individual in the AB blood group is a universal recipient for blood donation because Options:
  A) all the red blood cells do not carry antigen
  B) all the red blood cells carry antigen
  C) all the red blood cells carry antigen
  D) there are no anti-A and anti-B antibodies in the serum
  Show Answer
  The correct answer is D .
• Question 379: The structure that is most commonly identified in all living cells under the light microscope is the Options:
  A) mitochondrion
  B) chloroplast
  C) nucleus
  D) ribosome
  Show Answer
  The correct answer is C .
• Question 380: Accommodation of the human eye is best described as the Options:
  A) ability to see distant objects
  B) movement of upper and lower eyelids
  C) focusing of near and distant objects
  D) changing of lens shape due to varying light intensities
  E) constant adjustment of the iris
  Show Answer
  The correct answer is C .