Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 24505
TLS Online TPP Program

#Question id: 11598

How the GA3 is differ from GA1______

#Part-B Specialized Branches in Biotechnology
  1. having three bond, is relatively, more in higher plants it is not able to substitute for GA1
  2. GA3 differ from GA1 only in having one double bond, is relatively rare in higher plants but is able to substitute for GA1 in most
  3. GA1 differ from GA3 in having three double bond, is relatively more in higher plants
  4. one double bond, is relatively rare in higher plants but is able to substitute for GA1
More Questions
TLS Online TPP Program

#Question id: 11291

#Part-A Aptitude & General Biotechnology

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?
TLS Online TPP Program

#Question id: 11292

#Part-B Specialized Branches in Biotechnology

In an pond ecosystem the _____ is always greater than the _____ .

(a) number of primary producers . . . number of secondary consumers

(b) biomass of secondary consumers . . . biomass of primary consumer

(c) assimilation efficiency of primary consumers . . . assimilation efficiency of secondary consumers

(d) biomass of primary producers . . . biomass of primary consumers
TLS Online TPP Program

#Question id: 11292

#Part-B Specialized Branches in Biotechnology

In an pond ecosystem the _____ is always greater than the _____ .

(a) number of primary producers . . . number of secondary consumers

(b) biomass of secondary consumers . . . biomass of primary consumer

(c) assimilation efficiency of primary consumers . . . assimilation efficiency of secondary consumers

(d) biomass of primary producers . . . biomass of primary consumers
TLS Online TPP Program

#Question id: 11293

#Part-B Specialized Branches in Biotechnology

Measurement of phytoplankton production, take sample of phytoplankton suspended in two bottles in lake. One bottle (D) is dark in colour but second bottle (L) light in colour. After some time productivity measure as follow Where Lo –oxygen concentration in light bottle, Do –oxygen concentration in Dark bottle, Io –oxygen concentration in bottle before incubation    

A)  Lo- Do                     B) Lo- Io  C) Io- Do
TLS Online TPP Program

#Question id: 11294

#Part-B Specialized Branches in Biotechnology

A small lake has three trophic level – Phytoplankton(autotroph) , Zooplankton (herbivore ) and planktivorous fish ( primary carnivore) . In to this lake Population of some other primary carnivore introduced to study top down effect . What is expected long term consequence of this  introduction ?
TLS Online TPP Program

#Question id: 11295

#Part-B Specialized Branches in Biotechnology

The amount of energy entering a food chain depends on the