TLS Online TPP Program

#Question id: 35157


Which are true for tissue patterning in the shoot epidermis of Arabidopsis?

#XL - R Botany
  1. Trichomes form in regular spacing due to inhibitory signaling from existing trichomes
  2. Epidermal patterning involves both activator and repressor transcription factors
  3. All epidermal cells have the same potential to become trichomes initially
  4. Trichome development is independent of positional information
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TLS Online TPP Program

#Question id: 11284

#XL - R Botany

Which of the following could qualify as a top-down control on a grassland community?

TLS Online TPP Program

#Question id: 11285

#XL - R Botany

Terrestrial herbivores are animals that eat only plants and their digestive systems contain microbes that aid in the digestion of cellulose, Carnivores eat primarily animal flesh or fluids. Which of the following is correct is correct statement?

TLS Online TPP Program

#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

TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 11290

#XL - R Botany

Which of the following statement are incorrect?

TLS Online TPP Program

#Question id: 11290

#XL - R Botany

Which of the following statement are incorrect?