JAMB - Biology (1980 - No. 2)
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