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.
One of the following statement is NOT true of spirogyra
it is a simple multicellular plant
during conjugation, its gametes, which are structurally and physiologically similar, fuses to form a zygote
it possesses spiral chloroplast which enables the plant to photosynthesize
its cells are protected externally by layer of mucilage
there are pyrenoids along the chloroplast
Correct answer is B
No explanation has been provided for this answer.
In Mucor or Rhizopus carbohydrate is absorb in the form of
starch
sucrose
glucose
glycogen
arabinose
Correct answer is C
No explanation has been provided for this answer.
Root hair have their origin from
Endodermis
Pericycle
Cortex
Epidermis
Xylem
Correct answer is D
Asymmetric cell division in an epidermal cell gives rise to a large cell (atrichoblast) that develops into a hairless epidermal cell and a shorter 'specialized' cell that forms a root hair (trichoblast).
trap all the sunlight
trap a small percent of the sun energy
are primary producers
are eaten by primary consumers
contains chlorophyll
Correct answer is A
No explanation has been provided for this answer.
grasses
grasshopper
lizards
snakes
hawks
Correct answer is E
No explanation has been provided for this answer.