Plant Physiology MCQ on Photosynthesis Part I-Light Reaction Lecture Notes MCQ Biology Welcome to Plant Physiology MCQ 01 Plant Physiology Quiz on Photosynthesis Part I This question set on Plant Physiology MCQ-01: Photosynthesis Part-I Light Reactions consists of 15 questions in MCQ format. Please select the correct answer and at the end of the test, you have to click on 'SUBMIT' button to see your Score and the Correct Answers. Please click 'NEXT' button to start the quiz... 1. Which of the following monochromatic lights are more suitable for plant growth? Red, far-red Red, blue, far-red Red, green Blue, far red2. The chlorophyll is formed from proto-chlorophyll in the presence of light. For the formation of a chlorophyll molecule from a proto-chlorophyll how many hydrogen atom(s) are required? 2 1 4 33. Which of the following statements are true about phytochromes?(A). They are photoreceptors sensitive to red and far-red region of the light(B). Two types (Type I and Type II)(C). Type I phytochromes are activated by far-red light(D). Type II phytochromes are activated by red light A, B, C and D B, C and D A, B and C A, and B4. The region of visible light which is most useful for photosynthesis is: Green and Red Blue and Red Violet and Blue Green and Blue5. Red-drop occurs at ______ wavelength of light. 720 nm 650 nm 680 nm 700 nm6. The Oxygen Evolving Complex (OEC) of photosynthesis contains a metalloenzyme core containing _______. Manganese alone Manganese and Iron Magnesium and Manganese Manganese and Calcium7. Which mineral ion play important role in the functioning of photosystem II? Molybdenum Manganese Iron Magnesium8. Which of the following statement regarding the photosystem is true? PS I found in green sulfur bacteria, PS II is found in non-sulfur bacteria. Both PS I and PS II are present in non-sulfur bacteria PS I is found in non-sulfur bacteria, PS II is found in green sulfur bacteria Both PS I and PSII are present in Green sulfur bacteria9. What is the correct molecular formula of Chlorophyll-a? C55H70O4N5Mg C55H70O5N4Mg C55H72O4N5Mg C55H72O5N4Mg10. DCMU inhibits photosynthesis at photosystem during: QB → Cytbf6 Phe → QA Cyt-bf6 → PC QA → QB11. The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is: Quinone Ferredoxin Iron-sulphur protein Cytochrome12. Which of the following statement is true regarding the number of pyrrole rings and the Magnesium atoms in a chlorophyll molecule? Two pyrrole rings and 2 Magnesium atoms Four pyrrol rings and 1 Magnesium atom One pyrrole ring and 1 Magnesium atom Four pyrrole rings and 4 Magnesium atoms13. The process of photosynthesis which leads to the formation of glucose is a type of Fixation Reduction Oxidation Condensation14. Plants dissipate excess excitation energy as heat so as to protect from photo‐oxidative damage. The mechanism is known as Photo chemical quenching Non ‐Photochemical quenching Photo-inhibition Warburg effect15. Which of the following statement is true regarding the magnesium porphyring ring and the phytol chain of a chlorophyll molecule? Both Magnesium porphyrin and phytol chain is hydrophilic Both Magnesium porphyrin and phytol chain is lipophilic Magnesium porphyrin ring is hydrophilic whereas phytol chain is lipophilic Magnesium porphyrin ring is lipophylic whereas phytol chain is hydrophilicYou have reached at the End of this Quiz. Please Click 'SUBMIT' button to see your Score and the Correct Answers... Get our Updates on PLANT PHYSIOLOGY in your E-mail Inbox We will not spam your account… Enter your e-mail address Don’t forget to Activate your Subscription…. Please See Your E-Mail… More Plant Physiology MCQs Biology / Life Sciences MCQ: Plant Physiology MCQ-01: Plant Physiology Multiple Choice Questions (Quiz) with answer Key for the Preparation of Competitive Examinations in Biology / Life Sciences such as CSIR JRF NET Life Science Examination, ICMR JRF Entrance Exam, DBT BET JRF Exam, GATE (XL) Life Science Exam, GATE (BT) Biotechnology Exam, ICAR JRF Exam, University PG Entrance Exam, JAM Exam, GS Biology Exam, GRE, Medical Entrance Examination, NEET Exam etc. Other resources from Easybiologyclass: | Lecture Notes | Video Tutorials | PPTs | Question Paper Bank | Biology MCQs | Mock Tests | Difference between… | Practical Aids for your preparation | Lecture Notes from Easy Biology Class… BotanyZoologyBiochemistryGeneticsMolecular BiologyBiotechnologyHuman PhysiologyPlant PhysiologyMicrobiologyImmunologyEmbryologyEcologyEvolutionBiophysicsResearch Meth.BiostatisticsChemistryPhysics Browse more in Easy Biology Class… Lecture NotesBiology PPTVideo TutorialsBiology MCQQuestion BankDifference betweenPractical AidsMock Tests (MCQ)Biology Exams Do you have any Queries / Comments? Please leave me in the Comments Section below. I will be Happy to Read your Comments and Reply. Please Share with your Friends, Relatives, Students and Colleagues… No related posts. Posted in Biochemistry, Biology MCQ, Physiology MCQ, Plant Physiology and tagged Physiology MCQ with Answer Key, Physiology Online Test, Plant Physiology MCQ, Plant Physiology Mock Test, Plant Physiology Practice Questions.