#Question id: 11286
#XL - R Botany
Consumption, assimilation, and production efficiencies are measures of ecological efficiency. Following some statements are correct?
(A) Consumption efficiencies for carnivores are typically higher than those of herbivores
(B) Assimilation efficiencies of herbivore are often less than consumption efficiencies
(C) Vertebrates tend to have lower production efficiencies than invertebrates
#Question id: 11289
#XL - R Botany
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
#Question id: 11290
#XL - R Botany
Which of the following statement are incorrect?
#Question id: 11290
#XL - R Botany
Which of the following statement are incorrect?
#Question id: 11291
#XL - R Botany
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?
#Question id: 11292
#XL - R Botany
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