Which of the following is called stress hormone?
Abscisic acid
Auxin
Cytokinin
Gibberellic acid
A.
Abscisic acid
Abscisic acid is also called stress hormone because the production of this hormone is stimulated by drought, water logging and other adverse environmental conditions.
Plants purify air by which process?
Photorespiration
Photosynthesis
Photophosphorylation
Transpiration
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
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