Emerson's enhancement effect and red drop have instrumental in the discovery of
two photosystems operating simultaneously
photophosphorylation and cyclic electron transport
oxidative phosphorylation
oxidative phosphorylation
A.
two photosystems operating simultaneously
Emerson performed photosynthetic experiment on Chlorella. The enhancement effect is due to the presence of two photosystems PsI and PSII.
Select the correct statement
Salvinia, Gingko and Pinus all are gymnosperm
Sequoia is oneis one ot the talles trees
The leaves of gymnosperm are not well adapted to extremes of climate
The leaves of gymnosperm are not well adapted to extremes of climate
Which of the following is not a characteristic feature during mitosis in somatic cells?
Disappearance of nucleolus
Chromosome movement
Synapsis
Synapsis
Blood pressure in the pulmonary artery is
more than that in the carotid
more than that in the pulmonary vein
less than that in the Vena cava
less than that in the Vena cava
Spindle fibres attach on to
kinetochore of the chromosome
centrosome of the chromosome
kinetosome of the chromosome
kinetosome of the chromosome
Stems modified into flat green organs performing the functions of leaves are known as
phyllodes
phylloclades
scales
scales
In a chloroplast the highest number of protons are found in
lumen of thylakoids
inter membrane space
antennae complex
antennae complex
Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
The first word in biological name represents the genus name and the second is a specific epithet
The names are written in Latin and are Italicised
When written by hand, the names are to be underlined
When written by hand, the names are to be underlined
The standard petal of papilionaceae corola is also called
pappus
vexillum
corona
corona