Practice Questions

TLS Online TPP Program

#Question id: 4313

Which of the following statements best describes the characteristics of siRNA?

#Part-A Aptitude & General Biotechnology

a double-stranded RNA, one of whose strands can complement and inactivate a sequence of mRNA
a single-stranded RNA that can, where it has internal complementary base pairs, fold into cloverleaf patterns
a double-stranded RNA that is formed by cleavage of hairpin loops in a larger precursor
a portion of rRNA that allows it to bind to several ribosomal proteins in forming large or small subunits

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TLS Online TPP Program

#Question id: 5695

#Part-B Specialized Branches in Biotechnology

Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

TLS Online TPP Program

#Question id: 5698

#Part-B Specialized Branches in Biotechnology

A mechanism that can cause a gene to move from one linkage group to another is

TLS Online TPP Program

#Question id: 14138

#Part-A Aptitude & General Biotechnology

BLAST uses heuristics to align a query sequence with all sequences in a database.

Reason(R): BLASTX uses protein sequences as queries to search against a protein sequence database.

TLS Online TPP Program

#Question id: 4302

#Part-A Aptitude & General Biotechnology