HomeCSIR NET Life sciences Practice Test Plant System Physiology Practice Test | CSIR UGC NET JRF Exam 1.Which of the following mechanism is NOT involved in providing photo protection to plants thermal dissipation photolysis of water degradation of D1 protein zeaxanthin formation 2.DCMU inhibits electron transport in chloroplast by preventing the reduction of P680 PQ QA QB 3.The CO2 compensation point for C3 plants is greater than C4 plants because in C3 plants dark respiration is higher dark respiration is lower Photorespiration is present photorespiration is absent 4.During the operation of C2 oxidative photosynthetic cycle, which of the following metabolites is transported from chloroplats to peroxisome Glycine Serine Glycolate Glycerate 5.The alternate pathway of respiration can be inhibited by Cyanide SHAM Ampicillin Arachidonic acid 6.Among the following which microorganism is involved in nitrogen fixation with woody trees? Frankia Azotobacter Azospirillum Rhizobium 7.Nitrogenase, a complex metal containing enzyme is involved in conversion of N2 to NH3. Which one of the following metal is NOT involved in the activity of nitrogenase Iron(Fe) Cobalt (Co) Vanadium (V) Molybdenum (Mo) 8.Out of several gibberellins identified in plants, which one of the following is NOT bioactive GA1 GA3 GA4 GA5 9.S-adenosyl methionine is a precursor of which plant hormone ABA Auxin Ethylene Cytokinin 10.Chromophore associated with phytochrome of plants is Pterin Beta carotene Phycobilin Flavin adenine dinucleotide Score = Correct answers: Tags: CSIR NET Life sciences Practice Test Facebook Twitter