In light reaction the reaction centre of PSII  receives electron from water molecules by splitting into oxygen, If 5 oxygen molecules evolved per 50 quanta was

absorbed then what is the quantum yield?

TLS Online TPP Program

#Question id: 9190

#Unit 9. Diversity of Life Forms

What is the probable role of salicylic acid in the defense responses of plants?

TLS Online TPP Program

#Question id: 9191

#Unit 9. Diversity of Life Forms

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to

TLS Online TPP Program

#Question id: 9192

#Unit 9. Diversity of Life Forms

The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to

TLS Online TPP Program

#Question id: 9193

#Unit 9. Diversity of Life Forms

Which of the following best describes the consequences of White-band disease in Caribbean coral reefs?

TLS Online TPP Program

#Question id: 9194

#Unit 9. Diversity of Life Forms

Zoonotic disease

TLS Online TPP Program

#Question id: 9197

#Unit 9. Diversity of Life Forms

What is the biological significance of genetic diversity between populations?