Q.11 Every molecule of NADH, fed into ETC produces:
A) 2 ATP C) 4 ATP
B) 3 ATP D) 6 ATP
Q.12 Final acceptor of electrons in respiratory chain is:
A) Cytochrome a C) Cytochrome a
3
B) Oxygen D) Cytochrome c
Q.13 The end product of anaerobic respiration in humans and other mammals is:
A) Pyruvic acid C) Lactic acid
B) Ethanol D) Glucose
Q.14 A biochemical process which occurs within a cell to breakdown complex compounds to produce
energy is called:
A) Respiration C) Oxidation reduction
B) Photosynthesis D) Photophosphorylation
Q.15 Which part of chlorophyll molecule absorbs light?
A) Phytol C) Pyrrole
B) Porphyrin ring D) Thylakoid membrane