How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Examples of organisms that carry out extracellular digestion are?
fungus, loranthus, and housefly
rhizopus, sponges, and earthworm
roundworm, tapeworm. and hydra
rhizopus, housefly, and hydra
Correct answer is D
Rhizopus is a fungus and it uses extracellular digestion.
Houseflies digest their food externally by applying a solvent liquid to food particles to dissolve them, and then sucking up the liquid food.
Hydra also use extracellular digestion and secrete molecules to break down the substrate they will grow.
Animals aestivate when the environment where they live becomes
hot and dry
cold and wet
warm and humid
windy and snowy
Correct answer is A
No explanation has been provided for this answer.
eye
chorion
allantois
gill-slits
Correct answer is D
No explanation has been provided for this answer.
A feature of the caste system of bees and termites is that
the workers are sterile
the kings are bigger than the queens
only the workers perform duties
nuptial flight is performed by all members
Correct answer is A
No explanation has been provided for this answer.
Birds that are large with long, straight, pointed beaks, long necks and long legs are likely to be
insect eaters
fish catchers
nectar feeders
fruit eaters
Correct answer is B
No explanation has been provided for this answer.