Variation in population: JAMB Biology Past Questions and Answers

What the JAMB syllabus covers in Variation in population

Our summary: Morphological and physiological variation, continuous and discontinuous, and what causes it.

• Morphological variations in the physical appearance of individuals ((i) size (height and weight); (ii) colour (skin, eye, hair, coat of animals, scales and feathers); (iii) fingerprints.)
• Physiological variation ((i) ability to roll tongue; (ii) ability to taste phenylthiocarbamide (PTC); (iii) blood groups.)

Objectives

• differentiate between continuous and discontinuous variations with examples.
• relate the role of environmental conditions, habitat and the genetic constitution to variation.
• measure heights and weights of pupils of the same age group
• plot graphs of frequency distribution of the heights and weights.
• observe and record various colour patterns in some plants and animals.
• apply classification of fingerprints in identity detection.
• identify some specific examples of physiological variation among human population.
• categorize people according to their physiological variation.

Syllabus content © The Joint Admissions and Matriculation Board (UTME).