Search SchoolNGR

Wednesday, 29 April 2026
Register . Login

Biology Past Questions and Answers

Jamb Biology Questions

Question 581:
A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of
  • A Complete dominance
  • B Blending inheritance
  • C Interaction of genes
  • D Back crossing
View Answer & Explanation
Question 582:
The turbidity of a pond can be measured using the
  • A Anaemometer
  • B Secchi disc
  • C Theodolite
  • D Hydrometer
View Answer & Explanation
Question 583:
The most important substance necessary for the maintenance of life are carbon , oxygen
  • A Hydrogen, soil and enzymes
  • B Hydrogen, salt and water
  • C Nitrogen, salt and soil
  • D Nitrogen, salt and water
View Answer & Explanation
Question 584:
IF an organism obtains its food by means of haustoria, it is said to be
  • A Holophytic
  • B Heterophytic
  • C Saprophytism
  • D Parasitic
View Answer & Explanation
Question 585:
Which of the following relationship involves only one organism?
  • A Saprophytism
  • B Commensalism
  • C Parasitism
  • D Symbiosis
View Answer & Explanation