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Bitechnology and its Applications Biology Quiz for NEET

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Details of Bitechnology and its Applications Biology Quiz for NEET
No. of Questions in Quiz 25 with Explanation
Time for each Questions 60 Seconds
Attempts Allowed Unlimited
Available Always
Pass Percentage 70 %

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

Retrovirus is commonly used as vector for introducing a DNA fragment in human lymphocyte.
Gene therapy : Lymphocyte from blood of patient are grown in culture outside the body, a functional gene is introduced by using a retroviral vector, into these lymphocyte.

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

#3. In RNAi, the genes are silenced using

RNAi involves silencing of a specific mRNA and therefore the expression of a gene by formation of a dsRNA molecule.

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

#5. Exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as

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

#7. Which of the following is true for Golden rice?

Golden rice is vitamin A enriched rice, with a gene from daffodil and is rich in carotene.

#8. 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

The diversity of rice in India is one of the richest in the world, 27 documented varieties of Basmati are grown
in India.
Indian basmati was crossed with semi-dwarf varieties and claimed as an invention or a novelty.

#9. What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

Bacillus thuringiensis forms protein crystals during a particular phase of their growth. These crystals contain a toxic insecticidal protein. exist as inactive protoxins but once an insect ingest the inactive toxin, it is converted into an active form of toxin due to alkaline pH of the gut which solubilize the crystals.

The activated toxin binds to the surface of midgut epithelial cells and create pores that cause cell swelling and lysis and eventually cause death of insect.

#10. The process of separation and purification of expressed protein before marketing is called

Biosynthetic stage for synthesis of product in recombinant DNA technology is called upstreaming process while after completion of biosynthetic stage, the product has to be subjected through a series of processes which include separation and purification are collectively referred to as downstreaming processing.

#11. Which kind of therapy was given in 1990 to a four- year-old girl with adenosine deaminase (ADA) deficiency?

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

Meloidogyne incognita cause root knot disease in tobacco plant.

#13. The two polypeptides of human insulin are linked together by

Mature insulin has two polypeptide chains (A and B) which are linked together by disulphide linkages (bridges).

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

#15. The introduction of t-DNA into plant involves

#16. The crops engineered for glyphosate are resistant/tolerant to

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

Bt toxin crystals are solubilised in alkaline pH of the insect gut.

#18. In vitro clonal propagation in plants is characterized by

#19. Commonly used vectors for human genome sequencing are

Commonly used vectors for human genome sequencing are BAC (Bacterial artificial chromosome) and YAC (Yeast Artificial chromosome)

#20. The first human hormone produced by recombinant DNA technology is

#21. An analysis of chromosomal DNA using the Southern hybridization techinque does not use:

PCR is only for amplification of DNA.

#22. Which of the following Bt crops is being grown in India by the farmers?

#23. Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?

Golden rise is rich in provitamin A, hence can help counter vitamin A deficiency.

#24. The first clinical gene therapy was given for treating

#25. Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein :

Activation of cry protein requires alkaline conditions.

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35 thoughts on “Bitechnology and its Applications Biology Quiz for NEET”

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  13. PLZ make more questions from biotechnology. According to latest trend of NEET, questions of biotechnology are out of ncert.
    Soo plz provide those type of question that are not directly but indirectly from ncert.
    This will be a great help….

    Reply

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