Biotechnology and It's Applications

The inactive form of Bt toxin is converted to the active form in the insect gut $\_\_\_\_$

The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes would contrl cotton bollworms and corn borer, respectively?

The human protein named $\boldsymbol{\alpha}$-1-antitrypsin, obtained from transgenic animals, is used for the treatment of $\_\_\_\_$ .

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?

Following are the steps involved in action of toxin in Bt. Cotton
A. The inactive toxin converted into active form due to alkaline pH of gut of insect.
B. Bacillus thuringiensis produce crystals with toxic insecticidal proteins.
C. The al...

The following diagram showing restriction sites in E. coli cloning vector pBR322. Find the role of ‘X’ and ‘Y’ genes :

Which of the following statements is incorrect?

Match List I with List II

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What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism?
A. The piece of DNA would be able to multiply itself independently in the progeny cells of the organism.
B. It may get integrated...

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

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

Given below are two statements:
Statement I : Bt toxins are insect group specific and coded by a gene cry IAc.
Statement II : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive prot...

Match List-I with List-II.

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Which of the following can act as molecular
scissors?

Which of the following statement is incorrect about Agrobacterium tumifaciens?

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 desi...

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

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

Milk of transgenic ‘Cow Rosie’ was nutritionally more balanced product for human babies than natural cow milk because it contained:

Statements related to human Insulin are given below.
Which statements is/are correct about genetically engineered Insulin?
(a) Pro-hormone insulin contain extra stretch of C-peptide
(b) A-peptide and B-peptide chains of insulin were produce...

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:

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

With regard to insulin choose correct options.(1) C-peptide is not present in mature insulin.(2) The insulin produced by rDNA technology has C-peptide.(3) The pro-insulin has C-peptide(4) A-peptide and B-peptide of insulin are interconnecte...

When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as :

Which of the following statements is not
correct?

Match the following columns and select the
correct option.



Column-I
Column-II




(a) Bt cotton
(i) Gene therapy



(b) Adenosine
deaminase
deficiency
(ii) Cellular defence


(c) RNAi
(iii)...

Which of the following glucose transporters is insulin-dependent?

Which of the following is commonly used as a
vector for introducing a DNA fragment in
human lymphocytes?

In India, the organisation responsible for
assessing the safety of introducing genetically
modified organisms for public use is

Use of bioresources by multinational
companies and organisations without
authorisation from the concerned country and
its people is called

A 'new' variety of rice was patented by a
foreign company, though such varieties have
been present in India for a long time. This is
related to

Which kind of therapy was given in 1990 to a four-year-old girl with adenosine deaminase [ADA] deficiency ?

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

The two polypeptides of human insulin are linked together by

The crops engineered for glyphosate are resistant/ tolerant to :

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

Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services ?

Golden rice is a genetically modified crop
plant where the incorporated gene is meant
for biosynthesis of -

The introduction of t-DNA into plants
involves -

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

The first human hormone produced by recombinant DNA technology is :

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

Which of the following statements is not true about
somatic embryogenesis ?

RNA interference involves :-

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 of the following Bt crops is being grown in India by the farmers ?

Which part would be most suitable for raising virus free plants for microporpagation ?

Consumption of which one of the following foods can prevent the kind of blindness associated with
vitamin 'A' deficiency

Which one of the following is a case of wrong matching ?

What is it that forms the basis of DNA Fingerprinting ?