Question 1
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
(a) absence of mitochondria (b) presence of cell wall
(c) presence of haemoglobin (d) absence of nucleus
The presence of biconcave, circular, and anucleated RBC is the characteristic feature of which animal?
Compare the characteristic features of terrestrial and aquatic plants.
Terrestrial plants Aquatic plants.
(a)Roots _________________ ______________________
(b)Stems _________________ ______________________
(c)Leaves_________________ ______________________