Practice Questions

TLS Online TPP Program

#Question id: 11291

A small lake has three trophic levels- phytoplankton (autotrophs), Zooplankton (herbivore) and planktivorous fish (primary carnivore). In this lake, addition of nutrients is allowed to study the 'bottom up' effects". What is the expected biomass of phytoplankton and zooplankton tropic levels?

#Part-B Specialized Branches in Biotechnology

Zooplankton biomass will increase and phytoplankton biomass will decrease.
Zooplankton biomass will decrease and phytoplankton biomass will increase.
The biomasses of zooplankton and phytoplankton will increase while planktivorous remain unchange
The biomasses of all tropic level increases

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TLS Online TPP Program

#Question id: 19173

#Part-A Aptitude & General Biotechnology

The correct order of increasing strength of adsorption is ____________

TLS Online TPP Program

#Question id: 19174

#Part-A Aptitude & General Biotechnology

Which of the following cannot be used as adsorbent in Column adsorption chromatography?

TLS Online TPP Program

#Question id: 19175

#Part-A Aptitude & General Biotechnology

The substance used as an adsorbent in the column chromatography is_________

TLS Online TPP Program

#Question id: 19176

#Part-A Aptitude & General Biotechnology

Which of the following is separated through column chromatography?

TLS Online TPP Program

#Question id: 19177

#Part-A Aptitude & General Biotechnology

Hot-start PCR is a modification of PCR. Which of the following is not corresponding to it?

TLS Online TPP Program

#Question id: 19178

#Part-A Aptitude & General Biotechnology

Touch-down PCR is another modification. Its characteristics include: