Incorporation of the gene for phytoene synthase and carotene desaturase to make a particular variety of yellowish rice has proven useful in the treatment of-

(1) Congenital heart disease

(2) Night blindness

(3) Xeroderma

(4) Phrenoderma

Subtopic:  Other GM Crops |
 91%
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Cry toxin acts by

(1) Lysis of intestinal cells

(2) Binding to midgut epithelium

(3) Cell swelling

(4) More than one correct

Subtopic:  Bt Crops |
 82%
From NCERT
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Humulin production through microbial factories does not include the incorporation of the gene for

(1) A peptide

(2) B peptide

(3) C peptide

(4) Both (1) and (2)

Subtopic:  Med Applications & Humulin |
 87%
From NCERT
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What is true for molecular diagnosis?

a. It is inexpensive

b. It involves drawing of serum for the test

c. It can be used in the initial stages of the onset of the disease

d. All of the above

Subtopic:  Molecular Diagnosis |
From NCERT
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The Cry toxin does not kill the bacterium in which it is produced because
a. Bacterium is resistant to the toxin
b. The bacterial cytoplasm is highly acidic
c. The bacterial cytoplasm is highly alkaline
d. The toxin is activated in alkaline medium

Subtopic:  Bt Crops |
 75%
From NCERT
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A transgenic organism is one which has

(1) Foreign DNA in some of its cells

(2) Foreign RNA in all of its cells

(3) Foreign DNA in all of its cells

(4) Both (1) and (2)

Subtopic:  Transgenic Microbes & Animals |
 54%
From NCERT
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First transgenic plant was
a. Rice
b. Maize
c. Tobacco
d. Pea

Subtopic:  Transgenic Microbes & Animals |
 69%
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The toxin that is effective against cotton bollworm is
a. Cry IAc
b. Cry II Ac
c. Cry I Ab
d. All of these

Subtopic:  Bt Crops |
 69%
From NCERT
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Dicer and Argonaut protein plays a role in
a. Antisense RNA
b. RNA interference
c. cDNA therapy
d. Gene therapy

Subtopic:  Interference RNA Tech |
 59%
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Monoclonal antibodies are not used in
a. Pregnancy tests
b. Cancer detection
c. ELISA
d. Diagnosis of diabetes

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