Home⇒ Medical Science⇒ Biochemistry⇒ Photosynthesis and respiration
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ What do coenzyme A, CO2, oxaloacetate, and FADH2 all have in common? They are all components or products of the citric acid cycle [other wrong options] [Discuss in forum] |
| Q2 ⇒ Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2? Glycolysis; fermentation [other wrong options] [Discuss in forum] |
| Q3 ⇒ In oxygenic photosynthesis, the electron donor is water [other wrong options] [Discuss in forum] |
| Q4 ⇒ Carbon dioxide is reduced in the Calvin cycle [other wrong options] [Discuss in forum] |
| Q5 ⇒ In the Calvin cycle, carbon dioxide is fixed in a reaction with the ribulose diphosphate [other wrong options] [Discuss in forum] |
| Q6 ⇒ In the initial step of photosynthesis, sunlight energizes the electron pair of chlorophyll pigments [other wrong options] [Discuss in forum] |
| Q7 ⇒ Which of the following is the reduced form of a temporary electron carrier molecule? FADH2 [other wrong options] [Discuss in forum] |
| Q8 ⇒ Carbon fixation requires the expenditure of ATP molecules which is generated by ETS (electron transfer system) during the light reactions [other wrong options] [Discuss in forum] |
| Q9 ⇒ Hydrogen (electron) acceptor in the light reactions is NADP+ [other wrong options] [Discuss in forum] |
| Q10 ⇒ Which enzyme is involved in carbon-fixation reaction? Ribulose bisphosphate carboxylase [other wrong options] [Discuss in forum] |
| Q11 ⇒ Electron transport systems play a vital role in light-dependent reactions [other wrong options] [Discuss in forum] |
| Q12 ⇒ In cells having organelles, the steps of the Krebs cycle and the electron transport system occur in the mitochondria [other wrong options] [Discuss in forum] |
| Q13 ⇒ Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis? H2O [other wrong options] [Discuss in forum] |
| Q14 ⇒ The manufacture of ATP in both photosynthesis and respiration is made possible by All of the above [other wrong options] [Discuss in forum] |
| Q15 ⇒ What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis? Citric acid cycle [other wrong options] [Discuss in forum] |
| Q16 ⇒ NADP+ is reduced to NADPH during light dependent reactions [other wrong options] [Discuss in forum] |
| Q17 ⇒ The vast majority of the molecules that act as energy carriers to power cellular activities are made in the mitochondria and chloroplasts [other wrong options] [Discuss in forum] |
| Q18 ⇒ Which of the following structures or processes are logically associated with chloroplasts? All of these [other wrong options] [Discuss in forum] |
| Q19 ⇒ In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is carbon dioxide [other wrong options] [Discuss in forum] |
| Q20 ⇒ The electrons that are released by the splitting of water during photosynthesis ultimately end up in NADPH [other wrong options] [Discuss in forum] |
| Or |