Practice Questions

TLS Online TPP Program

#Question id: 11290

Which of the following statement are incorrect?

#Unit 10. Ecological Principles

Productivity/Biomass ratios in aquatic ecosystem are higher and energy transfer rates to higher trophic levels are faster than terrestrial ecosystem
In aquatic ecosystems most plant and algal biomass can be consumed by herbivores than herbivore of terrestrial ecosystem
Assimilation efficiencies for herbivores average only about 5–20% and are lower because even plant leaves have many indigestible cell walls
Invertebrates tend to have higher production efficiencies than vertebrates, because they devote more energy to sustaining their metabolism

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TLS Online TPP Program

#Question id: 1234

#Unit 4. Cell Communication and Cell Signaling

Which of the following mutations would likely have a similar cancer-promoting effect as the RasD mutation?

a. mutation in Grb2 so that it cannot bind Sos

b. mutation in Sos so that it binds Ras independent of Grb2

c. mutation in GAP so that it cannot bind Ras

d. mutation in EGF receptor so that it binds GRB2 independent of EGF

TLS Online TPP Program

#Question id: 31368

#Unit 5. Developmental Biology

In which condition a stem cell stabilize the stem cell pool as well as generate a daughter cell that goes on to differentiate?

TLS Online TPP Program

#Question id: 896

#Unit 1. Molecules and their Interaction Relevant to Biology

van’t Hoff plot is drawn between

TLS Online TPP Program

#Question id: 2092

#Unit 2. Cellular Organization

Peripheral membrane proteins

TLS Online TPP Program

#Question id: 11964

#Unit 7. System Physiology – Animal

Animals cannot produce enzymes to digest cellulose, yet many termite species consume cellulose from plant material as a main part of their diet. How do termites access the nutrients contained in cellulose?