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TLS Online TPP Program
#Question id: 10413
#Unit 6. System Physiology – Plant
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: 6958
#Unit 5. Developmental Biology
Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
TLS Online TPP Program
#Question id: 11793
#Unit 1. Molecules and their Interaction Relevant to Biology
On the proteoglycan the glycosaminoglycan chain can bind to extracellular proteins through
TLS Online TPP Program
#Question id: 17264
#Unit 11. Evolution and Behavior
The strata of sedimentary rocks in the different regions of the world, have classified geologic history into eras;
Match the following;
TLS Online TPP Program
#Question id: 23200
#Unit 13. Methods in Biology
Scanning electron microscopy (SEM) allows investigators to view the