GATE XL 2020 XL-S Q14: Control of Micro-organisms

Which one of the following statements about control of microbial growth is NOT correct?

Your answerChoose one option.

Nonionizing radiation leads to thymine dimers formation in DNA

Spores and mycoplasma can pass through membrane filters (0.22-0.45 μm)

Use of high concentration of salts and sugars to preserve food is a chemical method of microbial control

Thermoduric bacteria can survive pasteurization

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

EXPLORE & PRACTISE

Paper and topic context

See where this question comes from and choose what to practise next.

Explore more previous year questions using this question’s imported topic tags.

You’re not logged in. Log in or create an account to see discussions and add comments.