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TLS Online TPP Program

#Question id: 378

Which of the following statements about buffers is true?

#1. Molecules and their Interaction Relevant to Biology

  1. A buffer composed of a weak acid of pKa = 5 is stronger at pH 4 than at pH 6.

  2. At pH values higher than the pKa, the salt concentration is higher than that of the acid.

  3. The strongest buffers are those composed of strong acids and strong bases.

  4. When pH = pKa, the weak acid and salt concentrations in a buffer are equal.

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TLS Online TPP Program

#Question id: 16099

#7. System Physiology – Animal

 Following adaptation to a hot climate there is an increase in:
TLS Online TPP Program

#Question id: 747

#1. Molecules and their Interaction Relevant to Biology

In nucleic acids, the bases are covalently attached to the 1-position of a pentose sugar ring, to form a:
TLS Online TPP Program

#Question id: 12002

#10. Ecological Principles

Which of the following can be correctly concluded from this experiment?
TLS Online TPP Program

#Question id: 1564

#4. Cell Communication and Cell Signaling

When antibodies bind antigens, the clumping of antigens results from ________.
TLS Online TPP Program

#Question id: 23997

#Aptitude

Generally the students have throat-cut competition to sit on front benches in the class. To overcome this problem you will be making seating arrangements. What will be the rationale of seat allocation to the students?