Practice Questions

TLS Online TPP Program

#Question id: 3833

Regarding DNA replication, which, if any, of the following statements is incorrect?

#Unit 3. Fundamental Processes

DNA replication is said to be semi-conservative because for each DNA helix only one strand serves as a template for new DNA synthesis.
The two DNA strands of the parental DNA helix are unwound using a DNA helicase.
The replication fork marks the point at which DNA is actively being replicated from a single DNA duplex to form new DNA strands.
The synthesis of new DNA strands always proceeds in the 5’ → 3’ direction.

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TLS Online TPP Program

#Question id: 11894

#General Aptitude

The number between 3000 and 4000 which is exactly divisible by 30, 36 and 80 is

TLS Online TPP Program

#Question id: 13035

#Unit 13. Methods in Biology

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.

TLS Online TPP Program

#Question id: 15710

#Unit 12. Applied Biology

A phenolic compound, is sometimes added to inhibit the enzyme IAA oxidase responsible for the breakdown of IAA.

TLS Online TPP Program

#Question id: 19466

#Unit 13. Methods in Biology

Hematoxylin is a basic dye which which basically bind to which amino acids?

TLS Online TPP Program

#Question id: 11297

#Unit 10. Ecological Principles

What is the difference between gross and net primary production?