Practice Questions

TLS Online TPP Program

#Question id: 4949

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

#XL - T Zoology

DNA is chemically more stable and replicates with fewer errors (mutations) than RNA.
Only DNA can replicate during cell division.
RNA is too involved with translation of proteins and cannot provide multiple functions.
DNA forms the rod-shaped chromosomes necessary for cell division.

More Questions

TLS Online TPP Program

#Question id: 35958

#XL - U Food Technology

Which of the following microbial activities contribute to spoilage of high-protein foods like meat and fish?

TLS Online TPP Program

#Question id: 35959

#XL - U Food Technology

Spoilage of eggs due to microbial action may result in which of the following types of rot?

TLS Online TPP Program

#Question id: 35960

#XL - U Food Technology

Which of the following conditions promote fungal spoilage of cereal grains during storage?

TLS Online TPP Program

#Question id: 35961

#XL - S Microbiology

Which of the following pairs is/are correct ?

TLS Online TPP Program

#Question id: 35962

#XL - S Microbiology

Which of following statements is/are correct about RecBCD ?

TLS Online TPP Program

#Question id: 35963

#XL - S Microbiology

Select correct statements regarding RecA protein ?