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Biotechnology Principles and Processes MCQs for NEET — Zoology Questions with Answers

Practice free Biotechnology Principles and Processes (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

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A technology which has found immense use in solving cases ofdisputed parentage is (Karnataka ET-2005)

A. DNA finger printing B. Polymerase chain reaction C. Recombinant DNA technology D. Mono clonal antibody production

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Explanation

DNA fingerprinting is a technique used to identify individuals by characteristics of their DNA. It has found immense use in solving cases of disputed parentage as it can accurately determine biological relationships by comparing genetic markers.

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Agarose extracted From weeds finds use in (A.I.PMT 2011)

spectrophoto metry

Tissue culture

Gel electrophoresis

PCR

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Explanation

Agarose, a polysaccharide extracted from seaweed, is widely used in gel electrophoresis. This technique is essential in molecular biology for the separation of DNA or RNA fragments based on size. Agarose gel electrophoresis helps visualize and analyze nucleic acids.

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The Prerequisites for biotechnological production of antibiotic is (MP PMT 2008)

A. to searchan antibiotic producing microorganism B. to isolate the antibiotic gene C. to join antibiotic gene with E coli plasmid D. All of the above

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Which one of the following is used for the vaccine safety test of polio vaccine initially ?

transgenic cow

transgenic sheep

transgenic mice

transgenic monkey

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Explanation

Transgenic mice are being developed for use in
testing the safety of vaccines before they are used on humans.
Transgenic mice are being used to test the safety of the polio vaccine.
If successful and found to be reliable, they could replace the use of
monkeys to test the safety of batches of the vaccine

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In which method rotary shaker is used ?

A. Embryo culture B. Bio fortification C. Suspension culture D. Symbiosis

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Which of the following enhances or induces fusion of protoplasts?

Sodium chloride and potassium chloride

Polyethylene glycol and sodium nitrate

IAA and kinetin

IAA and gibberellins

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Explanation

(b) Polyethylene glycol(PEG) and sodium nitrate enhances fusion of protoplasts.

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The first company to synthesize and market recombinant Humulin in 1983 was

Sun pharma

Torrent

Eli Lilly

Abbot laboratories

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Explanation

ncert pg 211

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In the currently followed approach of SCID gene therapy, patients cells are removed and a good copy of the gene is added to them using retroviral vectors. This approach is called

In vitro approach

In vivo approach

In situ approach

Ex vivo approach

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Explanation

ncert pg 211

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What key processes are involved in 'downstream processing' after the biosynthetic stage in biotechnology?

A. Separation and purification B. Only fermentation C. Genetic engineering and cloning D. Bioreactor operation and nutrient supply

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Explanation

According to the NCERT text, 'After completion of the biosynthetic stage, the product has to be subjected through a series of processes... The processes include separation and purification, which are collectively referred to as downstream processing.'

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Which of the following is NOT typically a component of downstream processing?

A. Quality control testing B. Formulation into a finished product C. Biosynthetic stage in a bioreactor D. Clinical trials for approval

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Explanation

Downstream processing occurs after the biosynthetic stage. The biosynthetic stage, where the product is actually made in a bioreactor, precedes downstream processing. Quality control, formulation, and potentially clinical trials are part of making the product ready for marketing, which falls under the broader scope of downstream processing activities.

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