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 121: In the internal structure of plants, a wide pith in the centre is common to Options:
  A) dicot stems and monocot stems
  B) dicot stem and monocot roots
  C) dicot roots and monocot roots
  D) dicot roots and monocot stems
  Show Answer
  The correct answer is B .
• Question 122:

  The process by which a red blood cell placed in distilled water absorbs water until it burst and realease it's content into the surrounding is known as

  Options:
  A) osmosis
  B) plasmolysis
  C) turgidity
  D) hemolysis
  Show Answer
  The correct answer is D .
• Question 123: The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that Options:
  A) solution X was stronger than Y
  B) solution Y was stronger than X
  C) Spirogyra used up the sugar in solution X
  D) solution X is good for stimulating sexual reproduction in Spirogyra
  E) solution Y was less contaminated than X
  Show Answer
  The correct answer is A .
• Question 124: If a tall man (TT) maries a dwarf woman (gg) and they have four male children, the offspring will be Options:
  A) All short
  B) Three short and one tall
  C) Two short and two tall
  D) One short and three tall
  E) All tall
  Show Answer
  The correct answer is E .
• Question 125: Which of the following will not allow osmosis to take place Options:
  A) pig's bladder
  B) cellophane
  C) parchment paper
  D) transparent polythene
  E) cow's bladder
  Show Answer
  The correct answer is D .
• Question 126: Rodents gnaw on food with their Options:
  A) molar teeth
  B) strong jaws
  C) flat-ridged teeth
  D) chisel - like front teeth
  Show Answer
  The correct answer is D .
• Question 127:

  The internal structure of a leaf that has larger air space is?

  Options:
  A) palisade mesophyll
  B) epidermis
  C) spongy mesophyll
  D) vascular bundles
  Show Answer
  The correct answer is C .
• Question 128: The study of plants is called Options:
  A) Zoology
  B) Entomology
  C) Parasitology
  D) Botany
  Show Answer
  The correct answer is D .
• Question 129: In lizards, the lowering of the gular fold is used to Options:
  A) catch insects
  B) attract mates
  C) defend their territory
  D) frighten enemies
  Show Answer
  The correct answer is B .
• Question 130: 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 .