List of top Questions asked in CUET (PG)

The ability of a molecule to function as an antigen depends on its:
A. Size
B. Structural complexity
C. Chemical nature
D. Degree of foreign nature to the host
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Match LIST-I with LIST-II

LIST-I (Immunoglobulin Class)		LIST-II (Characteristics)
A. IgG	I. Serves as part of B-cell receptor complex
B. IgA	II. Anaphylactic mediating antibody
C. IgD	III. Most abundant in body fluid, neutralize toxins, opsonizes bacteria
D. IgE	IV. Secretory antibody and protect mucous membrane

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The cationic antimicrobial peptide, histatin is found in human's_____________.

Convalescent sera belongs to

A method for culturing anaerobes is the GasPak System, which uses hydrogen and a ___________ catalyst to remove O\(_2\).

The antimicrobial agent mercuric chloride functions by

Match LIST-I with LIST-II

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Tetracycline is usually mixed with the culturing medium as selective agents in selecting transformants in gene cloning technique. It acts by:

Match LIST-I with LIST-II

LIST-I (Commercial Production)		LIST-II (Microorganism)
A. Citric acid	I. Corynebacterium glutamicum
B. Ethanol	II. Aspergillus niger
C. Amino acids and nucleotides	III. Claviceps purpurea
D. Alkaloids	IV. Saccharomyces cerevisiae

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For sterilization, the culture media and glasswares must be generally autoclaved at:

Benzoic acid or benzoates are used to preserve food from
A. Insects
B. Yeast
C. Clostridia
D. Molds
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The Bdellovibrios bacteria is a _________ bacteria:
A. Gram negative
B. Predator of gram negative bacteria
C. It has a single polar flagellum
D. Reproduce by producing spores called myxospore during nutrient deficit conditions
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Organisms belongs to the genus bacteroides are:

Which one of the following statement is incorrect regarding the work of Erwin Chargaff?

Which of the following amino acids are essential amino acids in humans:
A. Leucine
B. Lysine
C. Isoleucine
D. Serine
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Match LIST-I with LIST-II

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The glycosidic bond between the monomers of sucrose is-

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Arrange the steps of recombinant DNA-cloning procedure in correct sequence of their occurance:
A. Joining the target DNA with cloning vector DNA by ligase enzyme.
B. Targeted DNA from a source organism is cleaved and cloning vector DNA is also cleaved by the same restriction endonuclease.
C. Selection of transformants from non-transformants through antibiotic resistance and color indicators
D. Introduction of recombinant DNA into host cell.
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In humans, one of the most recognized satellite DNA sequences, found mainly in the centromere region is:

Select correct statement about Euchromatin :

Match the LIST-I with LIST-II

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Telomerase acts as a cellular reverse transcriptase that provides the active site for:

Which of the following molecule/ion is not transported/buffered by hemoglobin?

Which of the following pair of class and organism is not correctly matched?