Jamb Biology Past Questions and Answers

Question 1956:

• JAMB 2016

The function of the red head in male Agama lizards is to

A. Scare other males from the territory
B. Warn predators of the distastefulness of the animal
C. Attract female lizards for mating purposes
D. Conceal and camouflage the animal from predators

Question 1957:

• JAMB 2016

The activity of ptyalin is likely to decrease with an increase in the concentration of

A. Oxygen
B. Starch
C. Protein
D. Acid

Question 1958:

• JAMB 2016

Seed plants are divided into

A. Monocoty ledons and dicotyledons
B. Tracheophytes and ferns
C. Angiosperms and gymnosperms
D. Thallophytes and bryophytes

Question 1959:

• JAMB 2016

The adaptive importance of the nuptial flight from termite colonies is to

A. Ensure cross-breeding between members of one colony and another
B. Disperse the reproductives in order to establish new colonies
C. Provide abundant food for birds and other animals during the early rains
D. Expel the reproductives so as to provide enough food for other members

Question 1960:

• JAMB 2016

The sequence of the one-way gaseous exchange mechanism in a fish is

A. Gills ⇢ operculum ⇢ mouth
B. Mouth ⇢ gills ⇢ operculum
C. Mouth ⇢ operculum ⇢ gills
D. Operculum ⇢ mouth ⇢ gills