NEET Botany Biotechnology Principles And Processes Class 12 Questions

Polymerase chain reaction (PCR) amplifies DNA following the equation.

In the above represented plasmid an alien piece of DNA is inserted at EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies?

Identify the part of a bio-reactor which is used as a foam breaker from the given figure.

What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism?

The capacity to generate a whole plant from any cell of the plant is called:

Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:

Which of the following are fused in somatic hybridization involving two varieties of plants?

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out

In gene gun method used to introduce alien DNA into host cells, microparticles of ________ metal are used.

Upon exposure to UV radiation, DNA stained with ethidium bromide will show

Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence. A. Insertion of recombinant DNA into the host cell. B. Cutting of DNA at specific location by restriction enzyme. C. Isolation of desired DNA fragment. D. Amplification of gene of interest using PCR. Choose the correct answer from the options given below :

Which one of the following statement is not true regarding gel electrophoresis technique?

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Polymerase chain reaction is used in DNA amplification Reason (R): The ampicillin resistant gene is used as a selectable marker to check transformation In the light of the above statements, choose the correct answer from the options given below:

Transposons can be used during which one of the following?

In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?

The sequence that controls the copy number of the linked DNA in the vector, is termed:

Which of the following statements is not correct?

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

Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the INCORRECT statement.

The correct order of steps in Polymerase Chain Reaction (PCR) is

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

Which of the following is NOT a feature of the plasmids?

An analysis of chromosomal DNA using the Southern hybridization technique does not use

To obtain virus – free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising:

Which one of the following vectors is used to replace the defective gene in gene therapy?