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A dividing and undifferentiated mass of cells is known as what ?

Callus
Embryo
Explant
Zygote


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The most common substrate used in distilleries for the production of ethanol is

Molasses
Corn meal
Soya meal
Ground gram


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The two strands of DNA are held together by bonds of

Nitrogen
Oxygen
Hydrogen
Carbon


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There is a restriction endonuclease called EcoRI. What does "co" part in it stand for?

coli
colon
coelom
coenzyme


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For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of

Silicon or Platinum
Gold or Tungsten
Silver or Platinum
Platinum or Zinc


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Plasmid has been used as vector because :

Both ends show replication
It can move between prokaryotic and eukaryotic cells
It is circular DNA which have capacity to join to eukaryotic DNA
It has antibiotic resistance gene


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Micropropagation is a technique

for production of true to type plants
for production of haploid plant
for production of Somatic hybrids
for production of Somaclonal plants


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Stirred-tank bioreactors have been designed for

Purification of the product
Addition of preservatives to the product
Availability of oxygen throughout the process
Ensuring anaerobic conditions in the culture vessel


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Which of the following terms is used to describe the component isolated from a plant, for in vitro culturing in the specific medium?

Synthetic seeds
Embryoid
Callus
Explant


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The genetically-modified (GM) brinjal in India has been developed for

Enhancing shelf life
Insect-resistance
Drought-resistance
Enhancing mineral content


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