Correct Questions: 0 | Wrong Questions: 0 | Total Score: 0 Points

The enzymes required to obtain wall-free / naked protoplasts are

Cellulase and proteinase
Cellulase and pectinase
Cellulase and amylase
Amylase and pectinase


Check Answer

The specific triplet of nitrogen bases on the transfer RNA is called

Codon
Anticodon
Genetic code
none of the above


Check Answer

Transgenic plants are developed by

Introducing foreign genes
Introducing gene mutations
Deleting certain chromosomes parts
Stopping spindle formation


Check Answer

Which one is found only in RNA?

Cytosine
Adenine
Uracil
Guanine


Check Answer

The linking of antibiotic resistance gene with the plasmid vector became possible with:

Endonucleases
DNA ligase
Exonucleases
DNA polymerase


Check Answer

Which one of the following is used as vector for cloning genes into higher organisms?

Salmonella typhimurium
Retrovirus
Baculovirus
Neurospora crassa


Check Answer

Some of the characteristics of Bt cotton are

Medium yield, long fibre and resistance to beetle pests
Long fibre and resistance to aphids
High yield and resistance to bollworms
High yield and production of toxic protein crystals which kill dipteran pests


Check Answer

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

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


Check Answer

PCR proceeds in three distinct steps governed by temperature, they are in order of

Annealing, Synthesis, Denaturation
Synthesis, Annealing, Denaturation
Denaturation, Annealing, Synthesis
Denaturation, Synthesis, Annealing


Check Answer

Which of the following is correctly matched?

Ligase - Molecular scissors
Thermus aquaticus - Bt-gene
Agrobacterium tumefaciens - Tumour
Hind II - Plasmid vector


Check Answer
Play Again