The tobacco plant has been made resistant to the tobacco mosaic virus by:

1.  introducing T -DNA of Agrobactermm

2.  introducing a gene for vims coat protein

3.  introducing meristematic activity in somatic cells

4.  applying newer generation pesticides to the crops

Concept Questions :-

Interference RNA Tech
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Plants are more easily manipulated by genetic engineering than are animals because:

(1) Plant genes do not contain introns

(2) More vectors are available to transfer rDNA into plant cells

(3) Totipotency is a feature generally associated with plant cells and not with animal cells

(4) Genes can be inserted into animal cells by microinjection.

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Identify the incorrectly matched pair :

(1)

 Humulin

First therapeutic rDNA product approved for human use

(2)

RNAi

Silencing of mRNA with the help of dsRNA

(3)

Rosie

Transgenic sheep producing alpha 1 antitrypsin

(4)

Golden rice

Vitamin A enriched rice variety

Concept Questions :-

Transgenic Microbes & Animals
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RNAi is a mechanism to silence genes with the help of 

(1) ssRNA

(2) dsRNA

(3) ssDNA

(4) dsDNA

Concept Questions :-

Interference RNA Tech
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To protect tobacco plants against Meloidegyne incognita using RNAi, nematode specific genes were introduced in the plant using:

1. Transposons

2. Retrotransposons

3. Virus with RNA genome 

4. Agrobacterium

Concept Questions :-

Interference RNA Tech
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A permanent cure for ADA deficiency could be:

(1) Enzyme replacement therapy

(2) Bone marrow transplant

(3) Introduction of a functional ADA cDNA into lymphocytes

(4) Introduction of gene isolate from marrow cells producing ADA into early embryonic cells

 

Concept Questions :-

Gene Therapy
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If gene isolate from marrow cells producing ADA is introduced into cells at early embryonic stage, it could be a permanant cure of ADA deficiency because the early embryonic cells :

1. Are more differentiated than the later stage cells

2. Are constantly dividing and do not get differentiated 

3. Are easy to manipulate than the later stage cells

4. Are virtually immortal 

Concept Questions :-

Gene Therapy
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To test the safety of polio vaccine, the organisms used are transgenic :

1. Mice

2. Pigs

3. Monkey 

4. Cattle

Concept Questions :-

Transgenic Microbes & Animals
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The first human hormone produced by recombinant technology was :

(1) Estrogen

(2) Growth hormone

(3) Erythropoietin

(4) Insulin

Concept Questions :-

Med Applications & Humulin
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If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective ?

(1) clonal propagation

(2) cybridization

(3) protoplast fusion

(4) mutant selection

Concept Questions :-

Intro to Agri Applications
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