Statement-I: Non-homologous DNA will attach to a DNA probe. 

Statement-II: At high temperature, two complementary DNA strands will anneal. 

(1) Only statement - I is true

(2) Only statement - II is true 

(3) Both statements - I and II are true

(4) Both statements - I and II are false

Subtopic:  Molecular Diagnosis |
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Match the following :-

Column-I Column-II
I. Biopiracy (A)  Gene therapy
II.   Retroviral vector materials   (B)   Illegal removal of biological    
III. Biopatent entities (C) Right granted for biological
IV.   Kohler and Milstein         (D)  Monoclonal antibody

1. I - B, II - A, III - D, IV - C

2. I - B, II - A, III - C, IV - D

3. I - B, II - C, III - A, IV - D

4. I - D, II - A, III - B, IV - C

Subtopic:  Gene Therapy | Ethical Issues |
 85%
From NCERT
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Match the following :-

Column-I

Column-II

I. Escherichia coli

(A) Nif gene

II. Bacillus thuringiensis

(B) Interferon

III. Rhizobium meliloti

(C) Bt toxin

IV. Pseudomonas putida

(D) Bioremediation

(1) I - B, II - A, III - D, IV - C

(2) I - B, II - A, III - C, IV - D

(3) I - B, II - C, III - A, IV - D

(4) I - D, II - A, III - B, IV - C

Subtopic:  Bt Crops | Transgenic Microbes & Animals |
 90%
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Probes are molecules of

(1) DNA

(2) RNA

(3) Proteins

(4) All of the above

Subtopic:  Molecular Diagnosis |
 66%
From NCERT
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NEET 2021 - Achiever Batch - Aryan Raj Singh

New biotechnology utilizes new organisms developed from present organisms using
a. Mutations
b. Recombinant DNA Technology
c. Recombinations
d. All correct

Subtopic:  Transgenic Microbes & Animals |
 51%
From NCERT
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The immobilization of enzymes is achieved by
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these

 75%
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A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
a. Trichoderma
b. Mucuna
c. Pseudomonas
d. Bacillus

Subtopic:  Transgenic Microbes & Animals |
 78%
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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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NEET 2021 - Achiever Batch - Aryan Raj Singh