TLS Online TPP Program

#Question id: 671


Which was a major scientific accomplishment by Linus Pauling?

#SCPH01 Biochemistry
  1. Determined the α-helix structure in keratin.

  2. Discovered β-strands and described their assembly into sheets.

  3. Determined the three-dimensional structure of hemoglobin and myoglobin.

  4. Determined the structure of penicillin.

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TLS Online TPP Program

#Question id: 11275

#SCPH06 I Botany

Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following are correct statement ?

A.Consumption efficiencies higher in  forests than grassland

B-In aquatic ecosystems consuption efficiencies of hervivore are greater than terrestrial hervivore

C- Consumption efficiencies for carnivores are typically higher than those of herbivores

D-Primary production consumption is increased where it is high in nutrients such as nitrogen and phosphorus

TLS Online TPP Program

#Question id: 11275

#SCPH28 | Zoology

Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following are correct statement ?

A.Consumption efficiencies higher in  forests than grassland

B-In aquatic ecosystems consuption efficiencies of hervivore are greater than terrestrial hervivore

C- Consumption efficiencies for carnivores are typically higher than those of herbivores

D-Primary production consumption is increased where it is high in nutrients such as nitrogen and phosphorus

TLS Online TPP Program

#Question id: 11276

#SCPH06 I Botany

Following statement regarding efficiency at different tropic level for secondary production?

A-high production efficiency individual able to survive at little food

B-production efficiency decrease toward increase tropic level 

C-aquatic herbivore is more efficient grazer than terrestrial grazer

D- Carnivore assimilation efficiency appear to average around 10%

Which above combination are correct?

TLS Online TPP Program

#Question id: 11276

#SCPH28 | Zoology

Following statement regarding efficiency at different tropic level for secondary production?

A-high production efficiency individual able to survive at little food

B-production efficiency decrease toward increase tropic level 

C-aquatic herbivore is more efficient grazer than terrestrial grazer

D- Carnivore assimilation efficiency appear to average around 10%

Which above combination are correct?

TLS Online TPP Program

#Question id: 11277

#SCPH06 I Botany

If a species is a keystone predator, then its removal from a community should

(A) Increase population size of the predator’s preferred prey

(B) decrease species diversity in the prey community

(C) decrease productivity of the predator’s preferred prey

(D) increase species diversity in the prey community

TLS Online TPP Program

#Question id: 11277

#SCPH28 | Zoology

If a species is a keystone predator, then its removal from a community should

(A) Increase population size of the predator’s preferred prey

(B) decrease species diversity in the prey community

(C) decrease productivity of the predator’s preferred prey

(D) increase species diversity in the prey community