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TLS Online TPP Program

#Question id: 1078

Which of the following statements about interferon is incorrect?

#XL - T Zoology

  1. It only works on a few specific types of virus.

  2. It makes cells resistant to viral infection.

  3. It is a species specific molecule.

  4. It does not directly inactivate viruses.

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TLS Online TPP Program

#Question id: 19974

#XL - P Chemistry

The transition in He+ ion that would have the same wave number as the first Lyman line in hydrogen spectrum is
TLS Online TPP Program

#Question id: 19975

#XL - P Chemistry

The work function of a metal is 4.2 eV. If radiations of 2000 A0 fall on the metal then the kinetic energy of the fastest photo electron is
TLS Online TPP Program

#Question id: 19976

#XL - P Chemistry

A certain metal when irradiated to light ( = 3.2 × 1016 Hz) emits photoelectrons with twice kinetic energy as did photo electrons when the same metal is irradiated by light ( = 2.0 × 1016Hz). The of metal
TLS Online TPP Program

#Question id: 19977

#XL - P Chemistry

The ratio of the radial of the first three Bohr orbit in H atom is
TLS Online TPP Program

#Question id: 19978

#XL - P Chemistry

Which of the following molecule has lowest bond space angle ?
TLS Online TPP Program

#Question id: 19979

#XL - P Chemistry

Which orbital has highest energy ?