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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
glycolysis occurs in	cytoplasm
in glycolysis, glucose molecule is converted into	pyruvic acid
photorespiration in C3 plants starts starts from	phosphoglycerate
which of the following is the connecting link between glycolysis and krebs cycle	acetyl Co A
pyruvate kinase enzyme catalyses	third irreversible step of glycolysis
an enzyme of TCA cycle are located in the mitochonrial matrix except one which is located in inner mitochondrial membrane in eukaryotes and in cytosol in prokaryotes. this enzyme is	succinate dehydrogenase
by which of the follwing complex, proton is pumped to reach ATP synthase to participate in ATP synthesis	cytochrome b6f
in alcoholic fermentation, NAD+ is produced during the	reduction of acetyldehye to ethanol
the bacterium (clostrium botulinum ) that cause botulism is	an obligate anaerobe
net gain of ATP molecules during aerobic respiration is	36 molecules
maximum amount of energy/ATP is liberated on oxidation of	fats
life without air will be	anaerobic
phosphoenol pyruvate (PEP) is the primary CO2 acceptor in	C4 plants
in which process CO2 is not released	lactate fermentation
the energy releasing process in which the substrate is oxidised without an external electron acceptor is called	glycolysis
how many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal	fifty seven
in alcoholic fermentation	triose phosphate is the electron donor while acetaldehyde is the electron acceptor
in animal cells the first step of glucose breakdown is	glycolysis
out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in	respiratory chain
when one glucose molecule is completely oxidised, it changes	30 ADP molecules into 30 ATP molecules
out of 36 ATP molecules produced per glucose molecule during respiration	2 are produced outside mitochondria and 34 inside mitochondria
EMP can produce a total of	8 ATP
NADP+ is reduced to NADPH in	HMP
during which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP	electron transport chain
which one of the following concerns photophosphorylation	ADP+inorganic PO4--(light energy)---->ATP
other name for tricarboxylic acid cycle	citric acid cycle
the mechanism of ATP formation both in chloroplast and mitochondria is explained by	chemiosmotic theory of mitchell
in krebs cycle FAD participates as electron acceptor during the conversion of	succinic acid to fumaric acid
connecting link between glycolysis and krebs cycle is/ before entering krebs cycle pyruvate is changed into	acetyl co-A
which is essential to convert pyruvic acid into acetyl Co-A?	LAA, TPP and NAD
poisons like cyanide inhibit Na+ efflux and K+ influx during cellular transport. this inhibitory effect is reversed by an injection of ATP. this demonstrates that	ATP is the carrier protion in the transport system
end product of citric acid/ krebs cycle is	CO2 and H2O
oxidative phosphorylation is production of	NADPH in photosynthesis
terminal cytochrome of respiratory chain which donates electrons to oxygen is	Cyt. a3
in germinating seeds fatty acids are degraded exclusively in the	glyoxysomes
respiratory quotient quotient for fatty acids is	<1
apparatus to measure rate of respiration and R.Q. is	respirometer