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?

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#Question id: 12285

#10. Ecological Principles

The principle of competitive exclusion states that

TLS Online TPP Program

#Question id: 12286

#10. Ecological Principles

Keystone predators can maintain species diversity in a community if they

TLS Online TPP Program

#Question id: 12287

#10. Ecological Principles

Food chains are sometimes short because

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#Question id: 12300

#7. System Physiology – Animal

Which of the following changes, compared with normal, would be expected to occur, under steady-state conditions, in a patient whose severe renal disease has reduced the number of functional nephrons to 25% of normal?

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#Question id: 12301

#7. System Physiology – Animal

Which of the following would likely lead to hyponatremia?

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#Question id: 12371

#10. Ecological Principles

Succession results from disturbance by fire.