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TLS Online TPP Program

#Question id: 3640

Which of the following is true for the mechanism of excision repair?

#Part-A Aptitude & General Biotechnology

  1. Endonuclease cleavage removes a portion of the damaged strand.

  2. The gap is filled in by DNA polymerase I

  3. The sugar-phosphate backbone is resealed by DNA ligase.

  4. All of the above are correct.

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TLS Online TPP Program

#Question id: 11289

#Part-B Specialized Branches in Biotechnology

Consumption efficiency (CE) is the proportion of production at one trophic level (Prodn n-1) that is eaten by, or ingested, by the next trophic level (In) but Assimilation efficiency (AE) is the proportion of ingested energy assimilated in to blood stream

Which of the following is incorrect statement?

A) In terrestrial herbivore, AE is greater than CE

B) In aquatic herbivore AE is equal to CE 

C) CE of grass land herbivore is often greater than forest herbivore

D) AE of herbivore is often greater than carnivore
TLS Online TPP Program

#Question id: 11289

#Part-B Specialized Branches in Biotechnology

Consumption efficiency (CE) is the proportion of production at one trophic level (Prodn n-1) that is eaten by, or ingested, by the next trophic level (In) but Assimilation efficiency (AE) is the proportion of ingested energy assimilated in to blood stream

Which of the following is incorrect statement?

A) In terrestrial herbivore, AE is greater than CE

B) In aquatic herbivore AE is equal to CE 

C) CE of grass land herbivore is often greater than forest herbivore

D) AE of herbivore is often greater than carnivore
TLS Online TPP Program

#Question id: 11290

#Part-B Specialized Branches in Biotechnology

Which of the following statement are incorrect?
TLS Online TPP Program

#Question id: 11290

#Part-B Specialized Branches in Biotechnology

Which of the following statement are incorrect?
TLS Online TPP Program

#Question id: 11291

#Part-B Specialized Branches in 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: 11291

#Part-B Specialized Branches in 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?