Practice Questions

TLS Online TPP Program

#Question id: 1099

How does the toxin of Vibrio cholerae cause profuse diarrhea?

#XL - Q Biochemistry

It modifies a G protein involved in regulating salt and water secretion.
It modifies adenylyl cyclase and triggers excess formation of cAMP.
It signals IP3 to act as a second messenger for the release of calcium.
It modifies a ligand-gated ion channel.

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TLS Online TPP Program

#Question id: 19983

#XL - P Chemistry

If (TH is the change In enthalpy and the change in tunnel enemy accompanying a gement medico reaction

TLS Online TPP Program

#Question id: 20029

#XL - P Chemistry

An electron of a velocity ‘’ is found to have a certain value of de-Broglie wavelength. The velocity to be possessed by the neutron to have the same de-Broglie wavelength is

TLS Online TPP Program

#Question id: 20030

#XL - P Chemistry

The momentum of a particle associated with de-Broglie’s wave length of 6 A⁰ is

TLS Online TPP Program

#Question id: 20031

#XL - P Chemistry

Frequency of matter wave is equal to v = frequency, v = velocity of particle

TLS Online TPP Program

#Question id: 20032

#XL - P Chemistry

If threshold wavelength for ejection of electron from metal is 300nm, then work function for photoelectric emission is

TLS Online TPP Program

#Question id: 20033

#XL - P Chemistry

The mass of one mole of electron is