Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following are correct statement ?

A.Consumption efficiencies higher in  forests than grassland

B-In aquatic ecosystems consuption efficiencies of hervivore are greater than terrestrial hervivore

C- Consumption efficiencies for carnivores are typically higher than those of herbivores

D-Primary production consumption is increased where it is high in nutrients such as nitrogen and phosphorus

TLS Online TPP Program

#Question id: 38771

#Plant Biotechnology

Q. Statement I: PEG can interact with both negatively and positively charged components of the plasma membrane.

Statement II: Such interactions reduce electrostatic repulsion between protoplasts.

TLS Online TPP Program

#Question id: 38772

#Plant Biotechnology

Q. Statement I: Protoplasts are isolated by enzymatic digestion of the cell wall using a combination of cellulase and pectinase.

Statement II: Cellulose microfibrils and pectic substances are major structural components of plant cell walls.

TLS Online TPP Program

#Question id: 38773

#Plant Biotechnology

Q.Statement I: The pH of the enzyme solution for protoplast isolation is maintained between 4.7 and 8.0.

Statement II: Enzymes involved in cell wall degradation show activity only at neutral pH.

TLS Online TPP Program

#Question id: 38774

#Plant Biotechnology

Q. Statement I: Protoplast isolation is usually carried out at a temperature range of 25–30°C.

Statement II: This temperature range supports optimal enzyme activity and maintains protoplast viability.

TLS Online TPP Program

#Question id: 38775

#Plant Biotechnology

Q. Statement I: High osmotic concentration of the enzyme mixture is maintained using sorbitol or mannitol.

Statement II: Elevated osmoticum prevents protoplast bursting by balancing internal turgor pressure.

TLS Online TPP Program

#Question id: 38776

#Plant Biotechnology

Q. Statement I: Calcium chloride is added to the osmoticum during protoplast isolation.

Statement II: Calcium ions improve plasma membrane stability of protoplasts.