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TLS Online TPP Program

#Question id: 11294

A small lake has three trophic level – Phytoplankton(autotroph) , Zooplankton (herbivore ) and planktivorous fish ( primary carnivore) . In to this lake Population of some other primary carnivore introduced to study top down effect . What is expected long term consequence of this  introduction ?

#Unit 10. Ecological Principles
  1. Zooplankton biomass will increase and phytoplankton biomass will decrease
  2. Zooplankton biomass will decrease and phytoplankton biomass will increase
  3. biomass of both Phytoplankton, Zooplankton increase
  4. biomass of both Phytoplankton, Zooplankton decrease
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TLS Online TPP Program

#Question id: 1264

#Unit 4. Cell Communication and Cell Signaling

 Desmosomes
TLS Online TPP Program

#Question id: 15523

#Unit 4. Cell Communication and Cell Signaling

The appearance of ϒδ thymocytes and αβ thymocytes during mouse fetal development. Fetal animals generate
a) more αβ T-cells than ϒδ T-cells
b) the proportion of ϒδ T-cells generated drops off dramatically after birth
c) the proportion of αβ T-cells generated drops off dramatically after birth
d) more ϒδ T-cells than αβ T cells
TLS Online TPP Program

#Question id: 2548

#Unit 2. Cellular Organization

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?
TLS Online TPP Program

#Question id: 14145

#Unit 6. System Physiology – Plant

Which of the following spot is inhibted by Antimycin A
TLS Online TPP Program

#Question id: 10795

#Unit 6. System Physiology – Plant

basic carbon skeleton of a flavonoid contains 15 carbons arranged in two aromatic rings connected by a three-carbon bridge. This structure results from two separate biosynthetic pathways: