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TLS Online TPP Program

#Question id: 9178

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

#Unit 9. Diversity of Life Forms
  1. The high water flow would make the fish expend more energy.
  2. The low oxygen content would give the fish difficulty in swimming aerobically.
  3. The temperature change would stress the fish by denaturing its proteins.
  4. The change in water solute content would challenge the osmotic balance of the fish.
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TLS Online TPP Program

#Question id: 28078

#Unit 6. System Physiology – Plant

Chlorophyll functions on the phenomenon of absorption of light and shows excitation of electron
(a) Chlorophyll absorbs blue or red light 
(b) blue light absorption resulting in a higher excited state 
(c) red light absorption resulting in a higher excited state 
(d) From IInd exited state returning ground state heat will be observed from blue and fluorescence from red light
Which of the following is incorrect
TLS Online TPP Program

#Question id: 11597

#Unit 6. System Physiology – Plant

GA 2-oxidase catalyzing the addition of a hydroxyl group to C-2 by inactivates
TLS Online TPP Program

#Question id: 7108

#Unit 5. Developmental Biology

Relative to the primitive streak and Henson's node, somite formation in the chick embryo occurs:
TLS Online TPP Program

#Question id: 5746

#Unit 8. Inheritance Biology

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 33151

#Unit 2. Cellular Organization

Which sequences are required for the inhibitory phosphorylation of tyrosine and threonine residues which is essential for the regulation of mitotic CDKs?