Users Also Read
Read MCQ's/Objective questions
MCQ's Search Engine
Allosteric Effects
Amino Acid Metabolism
Anti Bodies
Antigen
ATP Synthesis and Fatty Acid Oxidation
Carbohydrate
Cell Signalling and Transduction
Cell Structure and Compartments
Chromatography
Disease Associated with Immune System
DNA Structure and Replication
Enzymes
FT IR Spectroscopy
Gas Chromatography
Gel Electrophoresis
Genetic Code and Regulation
Genetic Regulation Prokaryotes
Glycolysis
HPLC
Immune Response
Immune System
Immunological Techniques
Lipid
Membrane Structure and Functions
Minerals
Nitrogen Metabolism
NMR Spectroscopy
Nucleic Acids
Oxidative Phosphorylation
Polymerase Chain Reaction
Protein and Nucleic Acid Interactions
Protein Purification
Protein Stability
Protein Structure
Protein Synthesis
Recombinant DNA Technology
RNA Structure
Spectroscopy
Structure and Properties of Amino Acids
Structure and Properties of Peptides
TCA Cycle
Thermodynamics and Free Energy
Transcription and Regulation
UV Luminance Spectroscopy
Vitamins and Coenzymes
Water, pH and Macromolecules
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] ![]() ![]() They are part of the dark reactions of photosynthesis They are part of the reactions of lactic acid fermentation They are all elements of oxidative phosphorylation |
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] ![]() ![]() Glycolysis; citric acid cycle; oxidative phosphorylation Glycolysis; oxidative phosphorylation; citric acid cycle Oxidative phosphorylation; citric acid cycle; glycolysis |
Q3 ⇒ In oxygenic photosynthesis, the electron donor is water [other wrong options] [Discuss in forum] ![]() ![]() oxygen NADH NADPH |
Q4 ⇒ Carbon dioxide is reduced in the Calvin cycle [other wrong options] [Discuss in forum] ![]() ![]() noncyclic photophosphorylation the light reactions both light and dark reactions |
Q5 ⇒ In the Calvin cycle, carbon dioxide is fixed in a reaction with the ribulose diphosphate [other wrong options] [Discuss in forum] ![]() ![]() ribulose phosphate ribose tri phosphate 3-phosphoglyceric acid |
Q6 ⇒ In the initial step of photosynthesis, sunlight energizes the electron pair of chlorophyll pigments [other wrong options] [Discuss in forum] ![]() ![]() adenosine triphosphate (ATP) water carbon dioxide |
Q7 ⇒ Which of the following is the reduced form of a temporary electron carrier molecule? FADH2 [other wrong options] [Discuss in forum] ![]() ![]() ATP NADP+ CO2 |
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] ![]() ![]() formation of glucose during the Calvin cycle replenishment of chlorophyll none of the above |
Q9 ⇒ Hydrogen (electron) acceptor in the light reactions is NADP+ [other wrong options] [Discuss in forum] ![]() ![]() ADP NAD+ FADH |
Q10 ⇒ Which enzyme is involved in carbon-fixation reaction? Ribulose bisphosphate carboxylase [other wrong options] [Discuss in forum] ![]() ![]() NADP reductase Cytochrome reductase Glycerol kinase |
Q11 ⇒ Electron transport systems play a vital role in light-dependent reactions [other wrong options] [Discuss in forum] ![]() ![]() Calvin cycle photorespiration all of these |
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] ![]() ![]() cell membrane endoplasmic reticulum none of these |
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] ![]() ![]() Glucose ATP NADPH |
Q14 ⇒ The manufacture of ATP in both photosynthesis and respiration is made possible by All of the above [other wrong options] [Discuss in forum] ![]() ![]() the existence of a proton gradient across specific membranes the action of ATP synthase energy from the movement of electrons |
Q15 ⇒ What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis? Citric acid cycle [other wrong options] [Discuss in forum] ![]() ![]() Glycolysis Oxidative phosphorylation Alcohol fermentation |
Q16 ⇒ NADP+ is reduced to NADPH during light dependent reactions [other wrong options] [Discuss in forum] ![]() ![]() photorespiration calvin cylcle none of these |
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] ![]() ![]() the nucleus the Golgi apparatus the cytosol |
Q18 ⇒ Which of the following structures or processes are logically associated with chloroplasts? All of these [other wrong options] [Discuss in forum] ![]() ![]() Plant cells Chlorophyll Thylakoid membranes |
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] ![]() ![]() NADP+ chlorophyll a chlorophyll b |
Q20 ⇒ The electrons that are released by the splitting of water during photosynthesis ultimately end up in NADPH [other wrong options] [Discuss in forum] ![]() ![]() ATP O2 rubisco |
Or |