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TLS Online TPP Program

#Question id: 31083

The rise in the cytosolic Ca2+ level is transient because: 

#Unit 4. Cell Communication and Cell Signaling
  1. Ca2+ pumps in the ER membrane passively transport Ca2+ from the cytosol to back into the ER lumen
  2. Ca2+ channels in the ER membrane actively transport Ca2+ from the cytosol to back into the ER lumen
  3. Ca2+ pumps in the ER membrane actively transport Ca2+ from the ER lumen to back into cytosol
  4. Ca2+ pumps in the ER membrane actively transport Ca2+ from the cytosol to back into the ER lumen
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TLS Online TPP Program

#Question id: 27044

#Unit 10. Ecological Principles

For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are

KA = 1000           KB = 1200    α of B= 1     β of A= .5       rB= .5         r A= .3                

AN= 500                  BN= 200

According to the Lotka-Voltera model, what is growth rate of species A?
TLS Online TPP Program

#Question id: 29074

#Unit 10. Ecological Principles

Given below is a matrix of possible interactions beneficial. (+), harmful (-), Neutral (0) between species 1 and 2. The names of interactions, A, B, C, D and E respectively;
TLS Online TPP Program

#Question id: 29075

#Unit 10. Ecological Principles

Identify the pollinators for the flowers with following pollination syndromes

I- Flowers evolved features such as blue purple yellow and various other except red

II- Flowers evolved features such as no fragrance because their pollinators has poor sense of smell

III- Flowers only white or light , reflective colors only with strong odori because their pollinators has good sense of smell

IV- flower has every colour including red colour with light floral scent and also providing landing place for nectar
TLS Online TPP Program

#Question id: 29076

#Unit 10. Ecological Principles

Corals and the Dinoflagellates showing which type of mutualism
TLS Online TPP Program

#Question id: 29077

#Unit 10. Ecological Principles

The relationship between acacia plants and the ants that live within their thorns is
TLS Online TPP Program

#Question id: 29078

#Unit 10. Ecological Principles

A specific kind of parasitism proposes that  in which cuckoos or cowbirds repeatedly check their host’s nests and destroy all eggs if their owner is not present. If the parasite egg has been removed, they destroy the host’s nest and kill or injure the nestlings, this is an example of____