List of top Questions asked in CUET (PG)

Conversion of ammonia to nitrates is called -
Media that contain some chemical with unknown chemical composition is called __________ media.
Copies of DNA strands generated during a polymerase chain reaction are known as -
In biological nitrogen fixation conversion of dinitrogen molecule into ammonia is carried out by enzyme.

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LIST-ILIST-II
A.AuxinI.Undifferentiated mass of cell
B.ProtoplastII.6-Furfuryl amino purine
C.CallusIII.Indole-3 Acetic Acid
D.CytokininIV.Pectinase


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Nitrogen fixing cyanobacteria Anabaena is found in the root pockets of -
Which of the following elements play key role in nitrogen fixation?
Arrange the following events in Western Blotting experiment in correct order:
A. Protein resolution by PAGE
B. Primary antibody binding
C. Transfer onto nitrocellulose membrane
D. Protein denaturation in loading dye.
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In cyanobacteria nitrogen fixation takes place in -
Autonomously replicating circular extrachromosomal DNA is called -
Antisense RNA technique is used -
Arrange the basic steps to develop G. M. O. (Genetically modified organisms) in sequence:
A. Transfer of DNA with desired genes to its progeny
B. Identification of DNA with desired genes
C. Introduction of the DNA into the host.
D. Maintenance of introduced DNA in the host.
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Full form of CRISPR, a term used in genome editing is -

Match LIST-I with LIST-II 

LIST-I (Technique)LIST-II (Used for)
A.Northern blottingI.To detect specific proteins in this sample of tissue homogenate
B.Southern blottingII.Detection of specific post translation modification of proteins
C.Western blottingIII.To detect specific RNA molecule in mixture of RNA
D.Eastern blottingIV.To detect specific DNA in a mix of samples


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Match LIST-I with LIST-II 

LIST-ILIST-II
A.Sea weedsI.Isolation of DNA from gel
B.Staining of DNAII.Gel electrophoresis
C.ElutionIII.Source of agarose
D.Separation of DNA fragmentsIV.Ethidium bromide


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Choose the correct statements regarding Agrobacterium tumefaciens -
A. It is a gram positive round shaped bacterium
B. It is a gram negative rod shaped bacterium
C. It is a photosynthetic spiral bacterium
D. It is also known as 'Natural genetic Engineer'
E. It is capable of naturally transferring DNA into plant genome
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Match LIST-I with LIST-II 

LIST-ILIST-II
A.Biological nitrogen fixationI.Nitrobacter
B.Conversion of ammonia to nitriteII.Paracoccus
C.Conversion of nitrite to nitrateIII.Rhizobium
D.DenitrificationIV.Nitrosomonas


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Choose the correct statements regarding cytology of haploids -
A. A haploid in Arabidopsis will have 5 chromosomes.
B. Haploids are found as bivalents at metaphase-I of meiosis.
C. Haploids are found as univalent at metaphase-I of meiosis.
D. The haploids in maize will have 10 chromosomes.
E. The haploids in maize will have 20 chromosomes.
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Using natural predators for the control of pathogens is known as __________ control.
Symbiotic nitrogen fixing bacteria are found in -
A. Azolla
B. Gnetum
C. Anthoceros
D. Cycas
E. Riccia
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Which of the following converts nitrites to nitrates?
Basundi is a popular product of
High Temperature Short Time (HTST) pasteurization gives a continuous flow of milk which is heated to -

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Slow melting quality of ice cream is due to -
A. Excessive stabilizer content.
B. Inadequate homogenization.
C. Excessive overrun
D. Excessive emulsifier content.
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