One of the characteristic of sieve tube is
it is a part of phloem
function is transport of inorganic solutes
it is dead cell
sieve plate is not present
A.
it is a part of phloem
The phloem consists of sieve elements companion cells, phloem fibres and phloem parenchyma. Sieve tube members are long, slender, tube-like cells joined end to end to form long tubular channels, the sieve tubes.
Plants purify air by which process?
Photorespiration
Photosynthesis
Photophosphorylation
Transpiration
Which one of the following statement correctly define the term homonym?
Identical name of two different taxon
Two or more names belonging to the same taxon
When species name repeats the generic name
Other name of a taxon given in a language other than the language of zoological/ botanical nomenclature
The Gram (-) bacteria detect and respond to the chemicals in their surroundings by
muramic acid
lipopolysaccharide
volutin granules
porin
Mesoglia is seen in between
ectoderm and endoderm
ectoderm and mesoderm
mesoderm and endoderm
just below mesoderm