List of top Questions asked in GRADUATE APTITUDE TEST-BIOTECHNOLOGY

Tuberculosis (TB) is caused by Mycobacterium tuberculosis. The TB vaccine is made using
Neoschizomers are the restriction endonucleases with

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Foreign DNA can NOT be transferred into a zygote by which one of the following methods?
What is the likely number of amino acids in a 11 KDa protein?

Given below are two statements:
Statement I: In general, a higher auxin to cytokinin ratio will induce root formation under in vitro culture conditions in plants.
Statement II: NAA is a cytokinin and BAP is an auxin.
In light of the above statements, choose the most appropriate answer from the options given below.

Of the amino acids listed below, which three amino acids can undergo posttranslational modification?
The presence of excess nutrients in aquatic system will lead to
Animal gut does NOT possess the enzymes required for digesting
Starting with a single cell, what will be number of cells after 'n' cycles of cell division, given that in each cycle every cell divides into two cells?
Which of the following viruses is a plus-sense single-stranded RNA virus?
In plant mycorrhizal fungi association, what is the most appropriate exchange between two organisms or partners?
Which one of the following statements most appropriately describes the concept of 'Codon Bias'?
Which of the following cell types has the highest surface area to volume ratio?
Complete the following statement with the correct option:
Agrobacterium-mediated plant transformation in the laboratory
Beggiatoa, a bacterium depends on organic carbon, inorganic chemicals and inorganic electron donor for its nutrition. On the basis of its nutritional type, it is classified as

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In case of prokaryotes, the start codon is usually preceded by a sequence complementary to the
Herpes simplex virus maintains latency in

Given below are two statements – one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): Human adeno-associated virus is used to deliver single-stranded DNA as a vaccine that does not require multiple booster doses.
Reason (R): Such vaccines are generally administered along with an adenovirus or a herpesvirus to avoid multiple booster doses. 
In light of the above statements, choose the most appropriate answer from the options given below:

Match the items in List I with items in List II


 

A mixture of proteins (A, B, C and D) is separated on a Sephadex G-200 column. The proteins elute in the order of A, B, C and D. Assuming that all proteins are globular and monomeric, the protein with minimum electrophoretic mobility on SDS-PAGE will be

Francis & Crick proposed the scheme called Central Dogma in 1958. Which of the following processes was NOT covered in this scheme?

Rancidity in spoiled foods is mainly due to

Given below are two statement - one is labelled as Assertion A and the other is labelled as Reason R: 
Assertion A: Bacterial lipopolysaccharide (LPS) on its own does not induce memory B-cell in humans.
Reason R: LPS does not activate T-cell.
In light of the above statements, choose the most appropriate answer from the options given below: