Practice Questions

TLS Online TPP Program

#Question id: 3864

RNA polymerase:

#Unit 3. Fundamental Processes

binds tightly to a region of DNA thousands of base pairs away from the DNA to be transcribed.
can synthesize RNA chains de novo (without a primer).
has a subunit called lambda, which acts as a proofreading ribonuclease.
separates DNA strands throughout a long region of DNA (up to thousands of base pairs), then copies one of them.

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TLS Online TPP Program

#Question id: 23154

#Unit 13. Methods in Biology

When the organelles pH is acidic the how the SNARF-1 dye measures this acidity?

TLS Online TPP Program

#Question id: 9226

#Unit 9. Diversity of Life Forms

The main purpose of movement corridors is to ________.

TLS Online TPP Program

#Question id: 7590

#General Aptitude

The ratio of the length of two trains X and Y is 4 : 7 and the ratio of the time taken by both trains to cross a man standing on a platform is 2 : 3. If the speed of the train y m/sec

TLS Online TPP Program

#Question id: 11295

#Unit 10. Ecological Principles

The amount of energy entering a food chain depends on the

TLS Online TPP Program

#Question id: 15604

#Unit 12. Applied Biology

The bacteria which cause septicaemia are fast becoming resistant to the antibiotics used for controlling them. Which one of the following explanations fits best?