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#Question id: 10413
#SCPH05 I Biotechnology
Following are certain statements are related to the effect of red and far-red light;
a) under a dense canopy much of the red light is absorbed by plant pigments, resulting in transmittance of mostly far-red light
b) Pr (red) has highest photon flux at 680 nm while Pfr (far-red) has highest photon flux at 730nm
c) Pfr far-red light–absorbing form, which is considered to be the physiologically active form of phytochrome
d) R:FR ratio is strongly affected by the presence of a canopy because chlorophyll absorbs far-red but not red light
Which one of the combinations of above statements is incorrect?
TLS Online TPP Program
#Question id: 4838
#SCPH12 I Genetics
The linked gene does not follow:
TLS Online TPP Program
#Question id: 7763
#I Life Science/ Life Sciences Group – I-V
Two major sources of mutation are radiation and reactive oxygen species (ROS).The reactive oxygen species hypothesis for aging postulates that
1) Senescence results from the accumulation of DNA, lipid, and protein damage inflicted by ROS of mitochondrial origin; and
2) Mitochondria of long-lived species should produce high ROS than do mitochondria of short-lived species.
3) the capacity of mitochondria to consume ROS might distinguish long-lived species from short-lived species, rather than differences in ROS generation.
TLS Online TPP Program
#Question id: 17280
#SCPH06 I Botany
During DNA isolation, phenol / chloroform extraction is performed to remove
TLS Online TPP Program
#Question id: 14344
#SCPH05 I Biotechnology
Cellular kinetics representation which are multicomponent are called?