Practice Questions

TLS Online TPP Program

#Question id: 1580

Advantages of Toxoid (inactivated exotoxin) can be

#XL - S Microbiology

Stable; safer than live vaccines; refrigerated storage not required
Immune system becomes primed to recognize bacterial toxins
Strong humoral and cellular immune response; relatively inexpensive to manufacture
Mimics natural infection, resulting in strong immune response

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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 ?

TLS Online TPP Program

#Question id: 19980

#XL - P Chemistry

Which is the paramagnetic species ?

TLS Online TPP Program

#Question id: 19981

#XL - P Chemistry

Which of the following statement is incorrect when N2 and O2 are convert into N2 ⁺ and O2 ⁺ respectively ?