Practice Questions

TLS Online TPP Program

#Question id: 19186

In another method of quantitative PCR, reporter-quencher set up is used. Which of the statement holds true for this methodology?

#Unit 13. Methods in Biology

It allows detection of all double stranded molecules
The reporter and quencher are the molecules present on the same probe
The quencher is having a fluorescent group
Fluorescence is observed only when both the groups are present in1- 10 angstrom distance

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TLS Online TPP Program

#Question id: 5541

#Unit 5. Developmental Biology

What is the valued average rate at which the human brain produces neurons during development?

TLS Online TPP Program

#Question id: 2677

#Unit 2. Cellular Organization

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?

TLS Online TPP Program

#Question id: 27678

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect of the following

TLS Online TPP Program

#Question id: 12342

#Unit 10. Ecological Principles

Which of the following is a biological attribute that would most likely allow a species to become cosmopolitan in distribution?

TLS Online TPP Program

#Question id: 13170

#Unit 10. Ecological Principles

Which of the following events might you predict to occur if the tilt of Earth's axis relative to its plane of orbit was increased 33.5 degrees?