Practice Questions

TLS Online TPP Program

#Question id: 787

Which of the following statement is INCORRECT with respect to the structure of DNA?

#Part-B Specialized Branches in Biotechnology

Six adenosines in a row in a DNA helix produce a bend of about 18 degrees.
DNA was first isolated and characterized by Friedrich Miescher who called the phosphorus-containing substance “nuclein.”
It is the pentoses that define the identity of a nucleic acid not the nitrogenous bases.
The Z-DNA tracts do not play any role in regulating the expression of some genes or in genetic recombination.

More Questions

TLS Online TPP Program

#Question id: 11284

#Part-B Specialized Branches in Biotechnology

Which of the following could qualify as a top-down control on a grassland community?

TLS Online TPP Program

#Question id: 19150

#Part-A Aptitude & General Biotechnology

What useful information can be found from a Van Deemter plot?

TLS Online TPP Program

#Question id: 18737

#Part-A Aptitude & General Biotechnology

RNase S1 method and homopolymer tailing method generates blunt ended cDNA molecules. Which of the following can be used for attaching them to vector?

TLS Online TPP Program

#Question id: 7466

#Part-A Aptitude & General Biotechnology

At the time between 6 AM and 7 AM will the minute hand and hour hand of a clock make an angle closest to 60° ?

TLS Online TPP Program

#Question id: 12678

#Part-A Aptitude & General Biotechnology

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.) ?