Biotechnology and its applications practice · Medium

Choose the incorrect statement

Consider the following statements
I. Transgenic animals are more sensitive to the toxic substance than non-transgenic animals
II. Useful biological products can be produced by introducing into transgenic animals the portion of DNA which codes for a particular product
III. Brazzein is a protein produced by a west African plant, Pentadiplandra brazzeana which is approximately 2000 time as sweet as sugar
Which of the statements are given above are correct?

Assertion (A): Specific Bt toxin genes were isolated from Bacillus thuringiensis and incorporated into the several crop plants such as cotton.

Reason (R): The choice of genes depends upon the crop and the targeted pest, as most Bt toxins are not insect-group specific.

Which of the following transgenic human protein product has been used to treat emphysema?

Biopiracy is related to which of the following

Which of the following transgenic plant is used for the synthesis of hirudin ?

Assertion: Using biotechnology human insulin
can be produced into bacterial cells.

Reason: To produce human insulin the A, B and
C polypeptides of the human insulin are
produced in the bacterial cells, separately
extracted and combined by creating disulfide
bonds.

Consider the following statements
I. Specific $Bt$ toxin gene have been isolated from $Bacillus\mathrm{ }thuringiensis$
II.$Bt$ toxin is coded by a gene named $cry$
III. $Bt$ toxin protein exists as inactive protoxins
Which of the statements given above are correct?

Which of the following vector is commonly used in transfer of gene of interest into the crop plants

ELISA is based on the principle of?

Identify the mis-match

India’s wheat yield revolution in the 1960s was possible primarily due to

A monopoly granted to a person who has either invented a new and useful article, made improvement in an existing article or invented a new process of making an article is called

Which step has been taken by Government of India to cater to the requirements of patent terms and other emergency provisions in this regards

All are the biotechnological application in order to increase food production, except

The aims and objectives of Genetic Engineering Approval Committee are
I. To permit the use of genetically modified organisms and their product for commercial applications
II. To adopt the procedures for restriction, production and application of GM organisms
III. approval to conduct large scale field trails and release of transgenic crops in the environment
Which of the statements are given above are correct?

Correct chronological order of the steps occurring during gene therapy are I. Lymphocytes are obtained from the patients II. Lymphocytes are transferred to the culture dishes III. Lymphocytes are transfected with the normal ADA genes . The transfected cell are returned to the patients The chronological order should be

Assertion (A): Basmati rice is distinct for its unique aroma and flavour and 72 documented varieties of Basmati are grown in India.
Reason (R): In 1997, an American company got patent rights on all rice varieties through the US Patent and Trademark Office.

Assertion (A): The 'new' variety of Basmati of American company had actually been derived from Indian farmer's varieties.
Reason (R): Indian Basmati was crossed with dwarf varieties and claimed as an invention or a novelty by the American company.

Most widely used bioweapon is

Consider the following statements about insulin
I. Human insulin is made-up of 51 amino acids arranged in two polypeptide chains
II. The two polypeptide chains are interconnected by two disulphide bridges
III. In mammals including humans, insulin is synthesized as a pro-hormone, which contains an extra stretch called the C-peptide
IV. C-peptide is not present in the mature insulin
Which of the statements given above are correct?

Which gene was introduced in the first transgenic cow?

Choose the correct options about Basmati rice
I. In 1997, an American company got patent rights for Basmati rice through the US Patent and Trademark office and was allowed to sell a ‘new variety’ in US and abroad
II. This new variety of Basmati was derived from Chinese farmer’s varieties
III. Indian Basmati was crossed with semidwarf varieties and claimed as an invention or a novelty
Which of the above statements are correct?

Diabetic patients are successfully treated with

RNAi is a method of gene silencing, which when done in tobacco plant to prevent infestation by Meloidogyne incognita may involve all except

Transgenic crops are modified through genetic engineering to develop natural resistance to insect pests. Which one is a transgenic plant?

Assertion: ELISA test is a technique based on
antigen-antibody interactions where a pathogen
can be detected by the presence of antibodies
(proteins, glycoproteins etc) on it.

Reason: The pathogen antibody to be identified
is immobilised on the surface of specially
constructed ELISA plates and is then tested.

Consider the following statements about the responsibility of GEAC (set-up by the Indian Government)
I. GEAC make decisions regarding the validity of the GM research
II. It checks the safety of introducing GM organisms for the public services for their large scale use
Which of the statements given above is/are correct?

Humulin is

Which one of the following gene is defective in patients suffering from Severe Combined Immunodeficiency Disease (SCID)?