Biotechnology Questions

Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?

DNA precipitation out of a mixture of biomolecules can be achieved by treatment with:

Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement.

Which of the following is true for Golden rice?

What triggers activation of protoxin to active $Bt$ toxin of Bacillus thuringiensis in bollworm?

Which part of the tobacco plant is infected by Meloidogyne incognita?

In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to:

In RNAi, the genes are silenced using:

An enzyme catalysing the removal of nucleotides from ends of DNA is:

Match the following enzymes with their functions:Column I: (a) Restriction endonuclease, (b) Exonuclease, (c) DNA ligase, (d) Tag polymeraseColumn II: (i) joins DNA fragments, (ii) extends primers, (iii) cuts DNA at specific position, (iv) removes nucleotides from ends

Identify the incorrect statements pertaining to gel electrophoresis:(a) DNA is loaded on gel towards the anode.(b) Gel concentration does not affect DNA movement.(c) Smaller DNA fragments travel greater distances.(d) Pure DNA can be visualized directly by UV radiation.

The two antibiotic resistance genes on vector $\text{pBR 322}$ are for:

A selectable marker is used to:

The exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as: