Practice Questions

TLS Online TPP Program

#Question id: 3301

Following statement is correct regarding convergent evolution.

#Section 3: Genetics, Cellular and Molecular Biology

Spreading of species to different and isolated environments which blocks the gene flow among the distinct populations
Flipper of whale and Fin of fish is one example of convergent evolution
Environmental induced force allowed to homologous organ being modified to new function
Sympatric speciation leads to divergence of one species in to two are more descendant species

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TLS Online TPP Program

#Question id: 16072

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is not a benefit of FASTA over BLAST?

TLS Online TPP Program

#Question id: 16073

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The initiation of FASTA format has ___ symbol.

TLS Online TPP Program

#Question id: 16074

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the items in Group 1 with an appropriate description in Group 2

Group 1 Group 2

P. PSI-BLAST 1. ungapped, aligned motif

Q. CLUSTALW 2. Profiles

R. BLOCK 3. Heuristic method

S. FASTA 4. Multiple sequence alignment

TLS Online TPP Program

#Question id: 16436

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The PCR consists of three defined sets of times and temperatures, termed steps

TLS Online TPP Program

#Question id: 16438

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

^{A DNA sample having mass
1 picogram undergoes PCR, the eluted DNA is weighted about 1 microgram, the
minimum number of cycles required}

TLS Online TPP Program

#Question id: 16440

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In RNA isolation, for protein free solution what will be the ratio at nm A260/A280