Match the group 1 with appropriate description of group 2.

Group 1                                                  group 2

(P) Carbon source                                       (1) Ammonium salts 

(Q) Nitrogen sources                                  (2)molasses, starch or corn syrup

(R) Phosphorus source                               (3) MgSO4

(S) Magnesium source                                (4)KH2PO4

#Question id: 11281

#Part-B Specialized Branches in Biotechnology

Owls eat rats, mice, shrews, and small birds. Assume that, over a period of time, an owl consumes 5,000 J of animal material. The owl loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular respiration. What is the production efficiency of this owl?

#Question id: 11281

#Part-B Specialized Branches in Biotechnology

Owls eat rats, mice, shrews, and small birds. Assume that, over a period of time, an owl consumes 5,000 J of animal material. The owl loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular respiration. What is the production efficiency of this owl?

#Question id: 11282

#Part-B Specialized Branches in Biotechnology

Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?

#Question id: 11282

#Part-B Specialized Branches in Biotechnology

Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?

#Question id: 11283

#Part-B Specialized Branches in Biotechnology

Herbivore ingests plant material with 1000 k j energy form producer and assimilated only 200 k J energy in their blood stream; additionally herbivore invests 120 k j energy in their maintenance. What is production efficiency of that herbivore?

#Question id: 11284

#Part-B Specialized Branches in Biotechnology

Which of the following could qualify as a top-down control on a grassland community?