Biotechnology and its applications practice · Mixed difficulty

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

The application of biotechnology includes all except

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

Bt toxin proteins shows their effect on which insect of Lepidopteran group?

(I) Armyworm (II) Beetles (III) Flies (IV) Tobacco bud worm

Assertion : Hybridoma cells are shifted to a
medium deficient in nutrient which cannot be
synthesised by myeloma cells.

Reason : This medium allows selection of
hybridoma cells.

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?

Assertion (A): The main challenge for production of insulin using r-DNA technique was getting insulin assembled into a mature form.

Reason (R): The C-peptide is not present in mature insulin & is removed during maturation process.

(a) Rosie, the first transgenic buffalo, produced milk enhanced with human alpha lactal albumin.
(b) Restriction enzymes are employed in the separation of DNA from other macromolecules.
(c) One stage of R-DNA technology is downstream processing.
(d) To introduce R-DNA into the host, disarmed pathogen vectors are also utilized.
Which two statements stated 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

How many matching are correct:

(a) Natural Genetic Engineer – E.coli

(b) Natural Genetic Engineer – Salmonella typhi

(c) Plasmid – Extra chromosomal DNA

(d) Acidic pH – Required for activation of Bt Toxin

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?

Which of the following is the part of biotechnology?

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?

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

Diabetic patients are successfully treated with

Assertion (A): Using conventional methods of diagnosis (serum and urine analysis, etc.) early detection is not possible.
Reason (R): Very low concentration of a bacteria or virus cannot be detected by serum and urine analysis, etc.

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?

In children born with adenosine deaminase deficiency, permanent cure is possible by

The term ‘Humulin’ is used for

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

GEAC is responsible for making decisions regarding?