A diver is breathing 10% O2 at a pressure of 2000 mm Hg. The diver’s body temperature is 37°C, and PCO2 = 32 mm Hg. What is the alveolar PO2?

#Question id: 10878

#Part-B Specialized Branches in Biotechnology

The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?

#Question id: 10880

#Part-B Specialized Branches in Biotechnology

Which marine zone would have the lowest rates of primary productivity (photosynthesis)?

#Question id: 10881

#Part-B Specialized Branches in Biotechnology

In deep water, which of the following abiotic factors would most limit primary productivity?

#Question id: 10882

#Part-B Specialized Branches in Biotechnology

The difference between net and gross primary productivity would likely be greatest for

#Question id: 10883

#Part-B Specialized Branches in Biotechnology

Ecosystem having a three trophic level in which number of species is given in table

 Total 50 number of link among these trophic levels present. What is value of connectance in ecosystem? 

#Question id: 10884

#Part-B Specialized Branches in Biotechnology

Herbivore ingests plant material with 1000 k j energy form producer and 300 kJ loss as feces waste; additionally herbivore invests 300 k j energy in respiration. What is production efficiency of that herbivore?