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Test: Biotechnology & its Applications- 2 - NEET MCQ


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25 Questions MCQ Test Biology Class 12 - Test: Biotechnology & its Applications- 2

Test: Biotechnology & its Applications- 2 for NEET 2024 is part of Biology Class 12 preparation. The Test: Biotechnology & its Applications- 2 questions and answers have been prepared according to the NEET exam syllabus.The Test: Biotechnology & its Applications- 2 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Biotechnology & its Applications- 2 below.
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Test: Biotechnology & its Applications- 2 - Question 1

What is the term used to refer to the use of bio-resources by multinational companies and other organizations without proper authorization from the countries and people concerned without contemporary payment is?

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 1

The term used to refer to the use of bio-resources by multinational companies and other organizations without proper authorization from the countries and people concerned without contemporary payment is Bio-piracy. It happens when biological resources are taken or exploited without official sanction.

Test: Biotechnology & its Applications- 2 - Question 2

Seeds of golden rice are yellow in colour because

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 2

The seeds of golden rice are yellow in colour due to presence of provitamin A in entire gene. This rice is natural source of vitamin A along with starch and proteins.

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Test: Biotechnology & its Applications- 2 - Question 3

Flavr Savr tomato is produced______.

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 3

Flavr Savr tomato has thick fruit coat that enhance the self-life of the fruits and do not get spoiled soon. Common Indian tomato have thin coat and easily get destroyed during transportation and handling.

Test: Biotechnology & its Applications- 2 - Question 4

GM Arabidopsis produces dsRNA to

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 4

Genetically modified (GM) Arabidopsis produces double stranded RNA to knock out specific parasitic genes in the nematode that harms the crops by silencing specific mRNA of nematodes.

Test: Biotechnology & its Applications- 2 - Question 5

Cry genes introduced in a plant will not be affective against

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 5

Cry gene produce toxin protein that chocks the gut of insects in presence of alkaline pH to cause death of insects. It is not effective against rodents.

Test: Biotechnology & its Applications- 2 - Question 6

The cry1Ac gene in Bt Brinjal is under the transcriptional control of an enhanced cauliflower mosaic virus 35S (CaMV35S) promoter, which ensures

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 6

The cry1Ac gene in Bt Brinjal is under the transcriptional control of an enhanced cauliflower mosaic virus 35S (CaMV35S) promoter, which ensures the gene is expressed in all the Brinjal tissue throughout its complete life-cycle.

Test: Biotechnology & its Applications- 2 - Question 7

Agrobacterium naturally inserts DNA into plants by

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 7

Using Agrobacterium vectors, nematodes-specific genes were introduced into the host plant. Agrobacterium naturally inserts DNA into plants by its Ti plasmid.

Test: Biotechnology & its Applications- 2 - Question 8

Cry toxin is released from the crystal in the insect gut as

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 8

Cry gene produce protein crystals in the insects gut as alkaline medium renders it insoluble and the activated toxin binds to surface of midgut epithelial cells and creates pores that cause cell swelling and death of the insect.

Test: Biotechnology & its Applications- 2 - Question 9

Biotechnology has advantages over conventional breeding as

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 9

Conventional breeding programme takes several years to develops a new variety of crop. By use of biotechnology, required gene can be directly inserted into host plant to get required result.

Test: Biotechnology & its Applications- 2 - Question 10

Which of the following methods should be used to increase crop production without use of chemicals and fertilizers?

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 10

Use of genetically modified crops may increase crop production many times without use of chemicals and fertilizers. Gene coding form higher nutrient and resistance to disease can be incorporated in crop.

Test: Biotechnology & its Applications- 2 - Question 11

Assertion: Bacillus thuringiensis forms protein crystals during particular phase of growth.Reason: These crystals contain a toxic insecticidal protein that kills the certain insects.

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 11

Bacillus thuringiensis bacterium forms protein crystals during particular phase of growth. The crystal of toxic protein has insecticidal protein. This protein get activated in alkaline medium in the gut of insects and kills them.

Test: Biotechnology & its Applications- 2 - Question 12

Gene used to treat emphysema is

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 12

Alpha-1-antitrysin gene is used to treat emphysema disease. This disease causes breakdown of alveoli cell and reducing the surface area for exchange of gases.

Test: Biotechnology & its Applications- 2 - Question 13

The main challenge for production of insulin using rDNA technique was

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 13

The main challenge for production of insulin using rDNA technique was getting insulin assembled into a mature form

Test: Biotechnology & its Applications- 2 - Question 14

A person born with hereditary disease can be treated by

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 14

Hereditary diseases are due to defects in gene. Gene can be corrected at embryonic stage by gene therapy technique in which genes are inserted into person cells or tissue to take over the function of defective gene.

Test: Biotechnology & its Applications- 2 - Question 15

The two polypeptide chains in insulin are linked via Sulphur. The bond formed is

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 15

Two peptide chains A and B in insulin are linked via sulphur to form a disulphide linkage or disulphide bridge.

Test: Biotechnology & its Applications- 2 - Question 16

A radioactively labeled Probe can be detected by

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 16

Radioactively labeled probe can be detected by autoradiography. A single stranded DNA or RNA tagged with a radioactive molecule is allowed to hybridise to its complementary DNA in a clone of cells followed by detecting using autoradiography.

Test: Biotechnology & its Applications- 2 - Question 17

Mature insulin is different from pro-insulin in

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 17

Pro-insulin differ from mature insulin as pro-insulin contain C-peptide which is absent in mature insulin.

Test: Biotechnology & its Applications- 2 - Question 18

Detection of bands on a southern blot is done by_____.

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 18

Detection of bands on a southern blot is done by probe that contain radioactive single stranded DNA or RNA.

Test: Biotechnology & its Applications- 2 - Question 19

Transgenic cow Rosie, produced human protein enriched milk that contain:

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 19

Transgenic cow Rossie produced human protein enriched milk that contain 2.4 gram of protein per litre. The milk contained the human alpha-lacalbumin protein.

Test: Biotechnology & its Applications- 2 - Question 20

For which of the disease transgenic models do not exists now days?

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 20

Transgenic model for treatment of disease is available today for cancer, cystic fibrosis, Alzheimer’s disease and rheumatoid arthritis disease.

Test: Biotechnology & its Applications- 2 - Question 21

Toxicity of drug on human can be studied by using transgenic animal by

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 21

Toxicity of drug on human can be studied by using transgenic animal by Inoculating gene that make them more sensitive to toxic substances and exposing to toxic substance to be studied.

Test: Biotechnology & its Applications- 2 - Question 22

Assertion: For toxicity testing, transgenic animals are made to carry genes which make them more sensitive to toxic substance.

Reason: Transgenic animals are exposed to toxic substance to be study to know their effect.

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 22

Transgenic animals are used to study the toxicity effects of certain chemical in which animals are made to carry gene which make them more sensitive to toxic substance and exposed to toxic substance to be studied.

Test: Biotechnology & its Applications- 2 - Question 23

Useful biological products are obtained from transgenic animals to treat disease like
i. Emphysema
ii. AIDS
iii. Cystic fibrosis
iv. Phenylketonuria

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 23

Useful biological products are obtained from transgenic animals to treat disease like Emphysema, Cystic fibrosis and Phenylketonuria.

Test: Biotechnology & its Applications- 2 - Question 24

In 1997, an American company got patent rights on

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 24

In 1997, an American company got patent rights on Basmati rice through the US patent and trademark office. This allowed the company to sell a new variety of Basmati in the US and abroad.

Test: Biotechnology & its Applications- 2 - Question 25

A company has developed a GM maize plant which produces high amount of sugar. The right granted to the company because of which others cannot use it is

Detailed Solution for Test: Biotechnology & its Applications- 2 - Question 25

The right granted to the company or organization of which others cannot use it is called biopatent. This right is given as intellectual right to the company.

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