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During glycolysis in plants, alanine and related 10 acids are directly produced from which one of i‘he following precursors? (1) 3-Phosphoglycerate (2) Phosphoenolpyruvate (3) Pyruvate (4) Acetyl-CoA Introduction Alanine and […]

24. Glycolysis and citric acid cycle contribute precursors to many biosynthesis pathway in plants. column X lists names of the precursors and column Y lists the product synthesized.        Column […]

23. First committed precursor in biosynthesis of chlorophyll is: (1) delta-aminolevulinic acid                 (2)  Porphobilinogen (3) Protoporphyrin IX                         (4) coproporphyrinogen III The first committed precursor in the biosynthesis of chlorophyll is delta-aminolevulinic […]

22. Following are certain statements regarding respiratory metabolism on plants: A. Respiratory quotient during partial breakdown of carbohydrate (alcoholic fermentation) will be infinity. B. Respiratory quotient indirectly provides inforrnation about […]

21. Which of the following staternents with respect to altenate oxidase activity on cyanide- resistant respiration in plants. is not correct? (1) Alternate oxidase accepts electrons directly from cytochrorre C […]

20. According to the current model of alternative oxidase regulation, the following factors cause induction of atternative oxidase (A) significant increase on the ubiquitin pool in the cytosol. (B) Presence […]

19. Following are certain statements with regard to plant respiration: A. Metabolism of glucose into pyruvate through glycolysis generates NADH and not NADPH. B. Metabolism of glucose through oxidative pentose […]

18. The chemical salicyl hyrooxamic add (SHAM) inhibits (1) Cytochrome oxidase (2) Alternate oxidase (3) ATP synthase (4) NADH-dehydrogenase Salicylhydroxamic acid (SHAM) inhibits the alternate oxidase (AOX) in the mitochondrial electron transport […]

The alternative pathway of respiration can be inhibited by (1) Cyanide (2) SHAM (3) Arachidonic add (4) Ampicillin Introduction Plants have an alternative respiratory pathway that bypasses parts of the […]

16. In arum lily, the temperature of inflorescence rise around 10°C as compare to plant during blooming. The natural trigger for heat production in the inflorescences of Saummatum guttatum (voodoo […]