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TLS Online TPP Program

#Question id: 181

Titration of valine by a strong base, for example NaOH, reveals two pK’s. The titration reaction occurring at pK2 (pK2 = 9.62) is:

#XL - T Zoology

  1. —COOH + OH-  -> —COO- + H2O.

  2. —COOH + —NH2 -> —COO- + —NH2+.

  3.  —COO- + —NH2+ -> —COOH + —NH2.

  4. —NH3+ + OH-  -> —NH2 + H2O.

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TLS Online TPP Program

#Question id: 4603

#XL - S Microbiology

Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
TLS Online TPP Program

#Question id: 19760

#XL - P Chemistry

Which of the following compound possesses covalent bond ?
TLS Online TPP Program

#Question id: 17673

#XL - R Botany

transport of water, minerals, and nutrients 
TLS Online TPP Program

#Question id: 27454

#XL - R Botany

Phaeophyceae vary in colour to various shades of brown depending upon the amount of the______
TLS Online TPP Program

#Question id: 4613

#XL - T Zoology

The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.  Which species is most closely related to species W?