Autotrophs in the aquatic ecosystem, unlike their counterparts in the terrestrial ecosystem are mostly microscopic and very low in indigestible (to the herbivores) matter. Following some observation are given? 

A) Tropic level transfer efficiency is greater in aquatic ecosystem than terrestrial ecosystem  

B) Tropical forest herbivores have higher consumption efficiencies than grassland herbivores

C) Flow of energy and nutrient is rapidly in aquatic ecosystem than terrestrial

D) Production efficiency of higher tropic level is greater than lower tropic level

#Question id: 10216

#Unit 6. System Physiology – Plant

One of the mechanism that is thought to be involved in protecting the photosynthetic machinery against overexcitation and subsequent damage such mechanism is known as

#Question id: 10217

#Unit 6. System Physiology – Plant

Another effect that appears to be a major factor in the stability of the photosynthetic apparatus, which occurs when excess excitation arriving at the PSII reaction center leads to its inactivation and damage is known as

#Question id: 10218

#Unit 6. System Physiology – Plant

An effect that appears to be a major factor in the stability of the photosynthetic apparatus is photoinhibition, which occurs when excess excitation arriving at the PSII reaction center leads to its inactivation and damage due to

#Question id: 10219

#Unit 6. System Physiology – Plant

The PSII reaction center leads to easily  inactivation and damage by photoinhibition process while Photosystem I Is Protected from Active Oxygen Species, Why PSI protect from active oxygen species in compare to PSII

#Question id: 10220

#Unit 6. System Physiology – Plant

Thylakoid membranes contain a protein kinase that can phosphorylate a specific threonine residue on the surface of LHCII. How the kinase is activated?

#Question id: 10221

#Unit 6. System Physiology – Plant

plastoquinone is one of the electron carriers between PSI and PSII, accumulates in the reduced state. Reduced plastoquinone accumulates when

a.) PSI is being activated more frequently than PSII

b.) PSII is being activated more frequently than PSI  

c.) LHCII is not phophorylated

d.) LHCII is phophorylated

Which of the following state will correct?