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

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

  • Only statement - I is true

  • Only statement - II is true 

  • Both statements - I and II are true

  • Both statements - I and II are false

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

  • I - B, II - A, III - D, IV - C

  • I - B, II - A, III - C, IV - D

  • I - B, II - C, III - A, IV - D

  • I - D, II - A, III - B, IV - C

The activated Bt toxin binds to

  • Surface of midgut epithelial cells

  • Surface of hindgut eithelial cells

  • Surface of foregut epithelial cells

  • Surface of gut endothelial cells

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

  • I - B, II - A, III - D, IV - C

  • I - B, II - A, III - C, IV - D

  • I - B, II - C, III - A, IV - D

  • I - D, II - A, III - B, IV - C

Probes are molecules of

  • DNA

  • RNA

  • Proteins

  • All of the above

New biotechnology utilizes new organisms developed from present organisms using

  • . Mutations
  • . Recombinant DNA Technology
  • . Recombinations
  • . All correct

The immobilization of enzymes is achieved by

  • . Killing the cells without affecting enzymes
  • . Attaching the enzymes covalently to a solid support
  • . Entrapping the living cells in gel
  • . All of these

A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of

  • . Trichoderma
  • . Mucuna
  • . Pseudomonas
  • . Bacillus

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-

  • Congenital heart disease

  • Night blindness

  • Xeroderma

  • Phrenoderma

Cry toxin acts by

  • Lysis of intestinal cells

  • Binding to midgut epithelium

  • Cell swelling

  • More than one correct

Humulin production through microbial factories does not include the incorporation of the gene for

  • A peptide

  • B peptide

  • C peptide

  • Both (1) and (2)

What is true for molecular diagnosis?

  • . It is inexpensive

  • . It involves drawing of serum for the test

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

  • . All of the above

The Cry toxin does not kill the bacterium in which it is produced because

  • . Bacterium is resistant to the toxin
  • . The bacterial cytoplasm is highly acidic
  • . The bacterial cytoplasm is highly alkaline
  • . The toxin is activated in alkaline medium

A transgenic organism is one which has

  • Foreign DNA in some of its cells

  • Foreign RNA in all of its cells

  • Foreign DNA in all of its cells

  • Both (1) and (2)

First transgenic plant was

  • . Rice
  • . Maize
  • . Tobacco
  • . Pea

The toxin that is effective against cotton bollworm is

  • . Cry IAc
  • . Cry II Ac
  • . Cry I Ab
  • . All of these

Dicer and Argonaut protein plays a role in

  • . Antisense RNA
  • . RNA interference
  • . cDNA therapy
  • . Gene therapy

Monoclonal antibodies are not used in

  • . Pregnancy tests
  • . Cancer detection
  • . ELISA
  • . Diagnosis of diabetes

The vaccine for Hepatitis B developed through genetic engineering is a

  • . First generation vaccine
  • . Second generation vaccine
  • . Third generation vaccine
  • . Fourth generation vaccine

The vaccine safety testing has been hitherto carried out on

  • Armadillos

  • Monkeys

  • reindeer

  • Koalas

α -1-Antitrypsin is used to treat

  • . Blood clots
  • . Emphysema
  • . Asphyxia
  • . Cancer

Transgenic animals can be used to

  • Study human physiology

  • Study microbial catalysis

  • study Weather phenomena

  • All of these

Interference RNA is derived from

  • .ds RNA
  • . ss RNA
  • . ds DNA
  • . ss DNA

A non pathogenic nematode used for elucidation of interference RNA technology is

  • . Meliodogyne incognita
  • c. Caenorhatidis elegans
  • . Heterorhabtidis megidis
  • . Longidorus sp.

A molecular diagnostic technique based on antigen antibody reaction is

  • .PCR
  • b. DNA hybridization
  • c. ELISA
  • d. Serum analysis

Rosie, the first transgenic cow produced milk that was exceptionally suitable for consumption by human infants as it was rich in

  • . Lactose
  • . Human milk protein
  • . Lactic acid
  • . All of these

The number of varieties of rice and Basmati rice respectively found in India are

  • 2000 and 20

  • 20000 and 24

  • 200000 and 27

  • 200000 and 32

How many amendments have been done to the Indian Patents Bill?

  • 1

  • 2

  • 3

  • 4

A technique used to detect AIDS in suspected patients in very early stages is

  • PCR

  • Autoradiography

  • ELISA

  • DNA hybridization

how many recombinant therapeutics are being marketed currebtly in India?

  • 30

  • 20

  • 12

  • 8

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