The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?

TLS Online TPP Program

#Question id: 15677

#Section 6: Plant, Animal and Microbial Biotechnology

Ultraviolet (UV) radiation around 260 nm is quite lethal but does not penetrate

1. glass 

2. dirt films 

3. Water

March the correct answer

TLS Online TPP Program

#Question id: 15678

#Section 6: Plant, Animal and Microbial Biotechnology

Alcohols are among the most widely used disinfectants and antiseptics. They act by 

TLS Online TPP Program

#Question id: 15679

#Section 6: Plant, Animal and Microbial Biotechnology

Dry heat sterilization the items to be sterilized are placed in an oven at 

TLS Online TPP Program

#Question id: 15680

#Section 6: Plant, Animal and Microbial Biotechnology

A common environmental organism that may even grow in certain chemical disinfectants is

TLS Online TPP Program

#Question id: 15681

#Section 6: Plant, Animal and Microbial Biotechnology

 Moist heat kills microorganisms by

TLS Online TPP Program

#Question id: 15682

#Section 6: Plant, Animal and Microbial Biotechnology

Boiling is not reliable for sterilization because