Search SchoolNGR

Wednesday, 01 April 2026
Register . Login

Biology Past Questions and Answers

Jamb Biology Questions

Question 21:
In his theory of evolution, Darwin implied that
  • A The struggle for existence among living organisms is sporadic
  • B The most successful organisms are those that best adapt to their environment
  • C Organs of the body which are not regularly used by an organism will disappear
  • D Any traits acquired by an organism during its lifetime can be passed on its offspring
View Answer & Explanation
Question 22:
The carnassial teeth of a carnivorous animal consist of the
  • A Last upper premolar and the first lower molar
  • B Last upper molar and the last lower molar
  • C First upper premolar and the lower molar
  • D First upper molar and the first lower molar
View Answer & Explanation
Question 23:
Birds which are large with long straight pointed beaks, long necks and long legs are likely to be
  • A Insect eaters
  • B Fish catchers
  • C Nectar feeders
  • D Fruit eaters
View Answer & Explanation
Question 24:
A feature of the caste system of bees and termites ia that
  • A The workers are sterile
  • B The kings are bigger than the queens
  • C Only the worker perform duties
  • D Nuptial flight is performed by all members
View Answer & Explanation
Question 25:
The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the
  • A Eye
  • B Chorion
  • C Allantois
  • D Gill-silts
View Answer & Explanation