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 1751: An example of a caryopsis is Options:
  A) Guava
  B) Maize grain
  C) Coconut
  D) Tomato
  Show Answer
  The correct answer is B .
• Question 1752: The organisms with the least number of individuals in a pyramid of numbers are the Options:
  A) secondary consumers
  B) tertiary consumers
  C) primary producers
  D) primary consumers
  Show Answer
  The correct answer is B .
• Question 1753:

  Which of the following is a characteristic of cells related to irritability?

  Options:
  A) Ability to respond to stimuli
  B) Ability to synthesize proteins
  C) Ability to generate energy
  D) Ability to replicate DNA
  Show Answer
  The correct answer is A .
• Question 1754: The part of the mammalian skin involved in excretion is the Options:
  A) sweat glands
  B) malpighian layer
  C) sebaceous gland
  D) horny layer
  Show Answer
  The correct answer is A .
• Question 1755: The axial skeleton is found in the Options:
  A) skull, ribs, vertebral column and breast bone
  B) skull, humerus,vertebral column and ribs
  C) breastbone, clavicle, ribs and vertebral column
  D) femur, sternum,ulna and skull
  Show Answer
  The correct answer is A .
• Question 1756: The dry indehiscent, winged fruit formed from one one carpel is known as Options:
  A) Schizocarp
  B) Caryopsis
  C) Samara
  D) Nut
  E) Follicle
  Show Answer
  The correct answer is C .
• Question 1757: Which of the following ions is involved in the conduction of the nerve impulse? Options:
  A) Ca²⁺
  B) K⁺
  C) H⁺
  D) Mg²⁺
  Show Answer
  The correct answer is B .
• Question 1758: The genetic make-up of an organism is described as Options:
  A) Allele
  B) Chromosome
  C) Phenotype
  D) Genotype
  Show Answer
  The correct answer is D .
• Question 1759: The features that makes locomotion in water easy for fish is the Options:
  A) scaly body
  B) slimy body
  C) streamlined body
  D) lateral line
  Show Answer
  The correct answer is C .
• Question 1760: The pioneer organisms in ecological succession are usually the Options:
  A) mosses
  B) ilohens
  C) ferns
  D) algae
  Show Answer
  The correct answer is B .