Endocrinology Mcq … (b): Leg haemoglobin is a red respiratory pigment found in the root nodules of leguminous plant if Rhizobium is present. The movement of water, from one cell of cortex to adjacent one in roots, is due to, (a) accumulation of inorganic salts in the cells, (b) accumulation of organic compounds in the cells. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. Greatest producers of organic matter are. MCQ on Human Physiology Part 2 (Human Physiology MCQ – 03) Dear Students, Welcome to Human Physiology MCQ-03 (Human Physiology Part 2).This MCQ set consists of Human Physiology, Metabolism and Endocrinology Multiple Choice Questions from the topic General Animal Physiology and Metabolism with Answer Key. With an increase in the turgidity of a cell, the wall pressure will be. endobj In C4 plants, Calvin cycle operates in. 186. Green light is absobed in less amounts. View More. (b): The 16 elements necessary for plants called essential elements, are as : C, H, O, N, P, S, K, Mg, Ca, Fe, Cu, B, Zn, Mn, Mo and CI. 105. (b): Klinostat is used to study growth movements. These catalyse a variety of reactions including epoxidation, A-dialkylation, o-dialkylation, .s-oxidation and hydroxylation. It is localized on the chloroplasts. Publish your original essays now. Which one of the following elements is not an essential micronutrient for plant growth? Guyton & Hall Physiology Review PDF contains standard USMLE-styled multiple choice questions that are actually based on Guyton and Hall Textbook of Medical Physiology 13th Edition PDF. c, Cyt. MCQ Kidney . Before reproductive stage there is too much elongation of internodes but there is less leaf formation. (b): a-Naphthalene acetic acid (N A A) is a synthetic or exogenous auxin. The prize – winning discovery is known as “reversible protein phosphorylation”. Photophosphorylation is of 2 types –. WHAT ARE THE SYSTEMS OF THE HUMAN BODY 11 HUMAN BODY. So the dormancy of these teeben can be overcome be applying gibberilling tubers. 161. (c): Photosynthesis is actually oxidation reduction | process in which water is oxidised and CO2 is reduced to carbohydrates. This is just one of the solutions for you to be successful. 79. (b): Zelitch (1963) suggested that glycolic acid is formed in the guard cells. 13. 98. Both those complexes are on involved in light reactions of photosynthesis. 132. If a tree flowers thrice in a year (Oct., Jan. and July) in Northern India, it is said to be, (c) photosensitive but thermo-insensitive. Potassuim is rich in actively dividing cells of buds, young leaves root tips. (a): Rate of salt absorption increases when temperature increases but to a certain limit as salt absorption is inhibited at higher temperature because certain enzymes are not active at higher temperature and carriers are not synthesised. 1. 81. (d): Gibberellins are growth promoting phytohormones. So that NADP+ is reduced to NADPH + H+. (d) in long day plants under short day conditions. The regulator which retards ageing/senescence of plant parts is. They contain iron porphyrin or copper porphyrin as prosthetic groups. Cell elongation in internodal regions of the green plants takes place due to. But this event is preceded by a series of biochemical reactions. 18. (a): Photosynthesis occurs in chloroplasts that contain photosynthetic pigments – chlorophylls, carotenoids etc. ABA (abscisic acid) is a powerful growth inhibitor. Maximum rate of photosynthesis occur when light is brightest. This quantum of energy is absorbed by single antenna chlorophyll and then migrates from one molecule to the other till it reaches the reaction center. 122. 154. 188. RESPIRATORY. This concept was proposed by Dixon and Joly, 1884. 140. 161. (a): Active transport involves movement of materials across the membrane against the concentration gradient of the solute particles. Seed coats may contain relatively high concentrations of growth inhibitors that can suppress germination of the embryo. (b): Glycolate (glycolic acid) is the chief metabolite of photorespiration and also its substrate. A methyl group (CH,) is attached to the third carbon in the porphyrin head. (a): In C4 plants, there are 2 carboxylation reactions, first in mesophyll chloroplast and second in bundle sheath chloroplast. (d) stomata on lower surface away from direct sun rays. When water enters in roots due to diffusion, is termed as. 26. C 260 . One molecule of ATP is produced between plastoquinone and cytochrome f. Whereas in cyclic photophosphoylation only PS-I is involved. (b): Photoperiodism is the response of plants to relative length of light and darkness. (d): Stomata are tiny pores found in the epidermis of leaves and other soft aerial parts. Here electrons are not cycled back and are used in the reduction of NADP to NADPH2. What is the correct sequence of events A. Differentiation of odontoblast, elongation of enamel epithelium, dentine formation Page 4/11. 138. Which aquatic fern performs nitrogen fixation? At constant temperature, the rate of transpiration will be higher at. Some C4 species are even saturated by normal atmospheric CO2 concentrations. 22. (b): In a full turgid cell. (a): Gibberellin is the hormone that breaks seed/ bud dormancy. It occurs in the form of minerals as hornblende, magnetite, biotite etc., from where it is released by weathering. 64. Some lobes of the leaves become modified into bladder like structures for catching insects. 167. 76. These enzymes hydrolyze the starch stored in endosperm into glucose which is | necessary for use both as a respiratory substrate and as a source of carbon skeletons of the molecules needed for growth. It means that the cell has no further capacity to absorb any water. MCQ-05: Plant Physiology Questions from CSIR Papers (Advanced – Set 1) @. MCQs and Self assessment based on Harrison s Internal. Free MRCP revision Endocrinology. Plants absorb sulphur from soil in the form of sulphate ions (SO4~~). 177. The whole apparatus is filled with water and the joints are made air tight. An elongated internode without leaves in called a “bolt” like structure and the process is called “bolting” flowering takes place after bolting. The sunlight travels in the form of small particles called photons. Physiology - MCQ Bank[1] - Free download as Text File (.txt), PDF File (.pdf) or read online for free. 39. 8. It requires energy in the form of ATP and carrier molecules. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Explanation are given for understanding. Temperature, particularly the low temperature treatment induce flowering. In terrestrial habitats, temperature and rainfall conditions are influence by. In vernalization plants are exposed to low temperature in order to stimulate flowering or to enhance seed production. It is a process in which a plant responds to the relative durative duration of daily light and dark periods. 91. (c): During photosynthesis a portion of light energy absorbed by chlorophyll and carotenoids is eventually stored as chemical energy via the formation of chemical bonds. Carotenoids mostly absorb is the blue region of the spectrum. (c): Calcium is an essential macronutrient for plant growth. The lenticel of phellogen itself also has intercellular spaces. 172. Before publishing your Essay on this site, please read the following pages: 1. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport? g. Xanthium (cocklebur). (a): Sulphur is present in all the cells of the body in association with proteins made of sulphur containing amino acids, viz., cystine, cysteine and methionine. 147. (c): The C4 plants have a characteristic leaf anatomy called kranz anatomy. 137. It consists of a porphyrin head and a phytol tail. It is consisted of a porphyrin head and a phytol tail. (d): For a long time, Calvin cycle (C3 cycle) was considered to be the only photosynthetic pathway for reduction of CO2 into carbohydrates. Multiple Choice Questions on Endocrine System MCQ. If the auxin concentration is higher than cytokinin, the apical bud will dominate the growth. (a): Apical dominance is the phenomenon by which presence of apical bud does not allow the nearby lateral buds to grow. Here two types of chloroplasts are present – bundle sheath chloroplasts and mesophyll chloroplasts. The enzyme catalyzing this reaction is RuBP-carboxylase/ oxygenase (Rubisco). (b): Addition of CO2 to any compound is called carboxylation. 62. (b): In terrestrial habitats, temperature and rainfall conditions are influenced by transpiration. It moves mainly from the apical to the basal end (basipetally). 21. (d): Thigmotropism involves nastic movements resulting from touch. ‘The law of limiting factors’ was proposed by. The chlorophyll-I) has empirical formula of C55H70O6N4Mg. C, Cyt. Treatment of seeds at low temperature under moist conditions to break its dormancy is called. (c): Potassium is an essential mineral. Borthwick, Hendicks and Parker in 1952, discovered phytochrome, which is a pigment received light existed in two inter convertible forms active form and inactive form. This is called photoperiodism. Chlorophylls and other photosynthetic pigments are confined to grana. 116. c- lactic acid. This entry of water in the cell develops in a cell turgor pressure, which exerts pressure on the cell membrane or on the cell wall. After absorption of water by root hair, its T.P. 3 0 obj So when the auxins produced in the shoot tips are removed by decapitation it results in lateral growth and plants thus show bushy appearance. options in a question. (b): In C3 cycle, CO2 acceptor molecule is RuBP or RuDP (i.e., Ribulose 1, 5-biphosphate or Ribulose 1, 5-diphosphate). 54. It later gives these electron to ferredoxin and gets oxidized again. If the cell wall is absent as is the case in animal cells then the cells buarst due to turgor pressure. P-Protein bodies and callose form blocking plugs. Critical Care Physiology 93 Self-Scorers 1 – General Physiology 98 2 – Physiology of Nerve and Muscle 99 3 – Central Nervous System 101 4 – Endocrinology and Reproduction 104 5 – Gastrointestinal Physiology 108 6 – Cardiovascular Physiology 110 7 – Pulmonary Physiology 112 8 – Renal and Acid-Base Physiology 114 (c): Phytochrome is a photoreceptive pigment. It is needed for proper growth and development. (c): Plants can use a small portion of light which falls upon them. (b) amount of water absorbed equals the amount transpired. Physiology MCQ Bank. Physiology MCQ - Renal. Review of Medical Physiology by Barrett et al, published by Mc Graw Hill, 2012. 189 Questions with Answers and Explanations on Plant Physiology for Botany Students. Soil pH strongly affects the microbial activities. The reduction of CO2 to carbohydrates needs assimilatory powers, i.e., ATP and NADPH2. In the case of the venus flytrap turgor pressure changes occur in which hydrogen ions are rapidly pumped into the walls of cells on the outside of each leaf in response to the action potentials from the trigger hairs. 139. Florigen is a chemical involved in flowering. Osmotic potential or solute potential represents the effect of dissolved solutes on water potential solutes reduce the free energy of water by diluting the water. Which of the following propagates through leaf- tip? GA is Giberrellic acid cause’s rapid elongation growth. 162. This inability of viable seeds to germinate even under favorable conditions is called dormancy of seeds. MCQ ON ANIMAL PHYSIOLOGY CIRCULATION MCQ BIOLOGY. 67. (d): Transpiration is least in high atmospheric humidity. This hormone is transmitted to the growing point where the flowering occurs. Cytokinin plays an important part in organ formation (morphogenesis) with auxin. Klinostat is employed in the study of. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. 171. MCQ-06: Plant Physiology Questions from CSIR Papers (Advanced – Set 2) @. Phosphorous and nitrogen ions generally get depeleted in soil because they usually occur as. 18. 80. 129. Anatomy & Physiology Textbook , MCQ & Test Bank. As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants? This is called grey speck symptom. Two cells A and B are contiguous. (c): Photorespiration is the respiration which occurs in green cells in the presence of light. 126. DPD = OP-TP. Its excessive presence stops protein and RNA synthesis in the leaves and hence stimulates their senescence. Which of the following hormones can replace vernalisation? Further these plants require long uninterrupted dark period and hence are called long night plants. (a): When the plants are kept in dark, they become pale yellow in colour and also become abnormally long with considerable internodal elongation, it is called etiolation. (c): Maximum solar energy is trapped by growing algae in tanks. The movement of organic material is bidirectional. (d): At constant temperature, the rate of transpiration will be higher at 1.5 km above the sea level. Readings are taken for the air bubble and thus amount of water absorbed and transpired is calculated. (a): The tropic movement in response to the stimulus of contact is thigmotropism e.g. File Type PDF 1000 Mcq Bank Questions Answers ... 1000 MCQ Bank Questions | Human Tooth | Tooth Enamel The sap (i.e., water with dissolved minerals) is absorbed mainly by roots and is moved upward to all the parts of plants via stem. Mesophyll cells are connected with each other through plasmodesmata. Free water is that water which runs away and is not held by the soil. 23. (a): Scarification means the application of those methods by which the hard seed coat is ruptured or softened so that it becomes permeable to water, gases and the embryo can expand. 38. They contain kinetin and related compound generally called as kinins chemically, cytokinins are degradation product of adenine, ATP, NAD and NADP. We have ensured that we covered all important aspects when preparing our rendition on human physiology MCQs. 88. (c): Type I photosystems use ferredoxin like iron- sulphur cluster proteins as terminal electron acceptors, while type II photosystems ultimately shuttle electrons to a quinone terminal electron acceptor. Physiology Multiple Choice Question Bank 15. 58. Anaesthesia UK FRCA: A site for anaesthetists in training. Phenyl mercuric acetate (PMA) results in. (a): Magnesium is important c6nstituent of chlorophyll, thus is found in all green plants and essential for photosynthesis. (d) removal of apical dominance and promotion of lateral meristem. It soon gets converted into 2 molecules of 3-phosphoglyceric acid due to hydrolysis and dismutation. (b) it induces the differentiation of new shoots from the rootstock, (c) it frees axillary buds from apical dominance, (d) the apical shoot grows faster after pruning. Carbon dioxide acceptor in C3-plants is. Ethylene stimulates all the biochemical changes which take place upto fruit ripening. The rate of photosynthesis is higher in. It is a part of catalases, peroxidases, cytochromes etc. 14. Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes. The electron is now transferred to a non-heme iron protein called ferrodoxin (Fd) from which electron is transferred to NADP’ intermediate protein electron carrier ferrodoxin- NADP reductase. Pressure of the guard cells falls and hence they become flaccid. (c): Auxin regulates some of the important plant growth movements like photoropism and geotropism. Opening of floral buds into flowers, is a type of. (d): Soil may be alkaline, acidic or neutral depending upon its pH. 173. The porphyrin ring consists of four pyrrole rings joined together by CH bridges. Translocation of carbohydrate nutrients usually occurs in the form of. Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Anatomy & Physiology Textbook , MCQ & Test Bank is in the category of Education. In photosystem-I, the first electron acceptor is. Here one molecule of ATP is produced between plastoquinone and cytochrome f, whereas in cyclic photophosphorylations only PS-I is involved. 184. Biology Question Bank – 189 MCQs on “Plant Physiology” – Answered! (b): The process by which the dormant embryo of seed resumes active growth and forms a seedling is known as germination. (c) xl’p + Y, Answer and Explanation: 1. These are found in plants, animals and microbes and are involved in a variety of oxidative reaction in cells. Application of 40 kg s/ha to oilsed based ceopping system is found to increase the yield, oil and protein content of the seeds. 185. Chlorosis involves non-development or loss of chlorophyll. Zn is essential for the synthesis of tryptophan amino acid. (b): Phytochrome has a light absorbing or light detecting portion (the chromophore) attached to small protein of about 1,24000 daltons. The pull or tension is removed only when water is absorbed through root hair and this is passive water absorption. 163. 133. 144. Hatch and Slack (1966) reported that a 4-C compound oxaloacetic acid (OAA) is the first stable product in CO2 reduction process. Starch is converted to soluble sucrose form. 102. NADP is a coenzyme which is reduced to NADPH2 the hydrogen required for the formation of NADPH9 comes from the breaking of water molecule. (b): Water is absorbed from soil by root system and mainly by root tips. Given on this page is a online quiz on the topic of Human Physiology. These short solved questions or quizzes are provided by Gkseries. 91. 35. They are considered as separate species because since their flowering periods are different so cross pollination is not possible between them naturally. At night time, the C02 released during respiration accumulates. Water is not utilized here and 0, evolution does not occur. An enzyme that can stimulate germination of barley seeds is. Highly acidic and highly saline, alkaline soil often remain injurious for plant growth, microorganisms etc. This statement regarding enzyme inhibition is correct (a) non-competitive inhibitors often bind to the enzyme irreversibly opening and closing are controlled by temperature. 155. Abscisic acid (ABA) is a common germination inhibitor present in the seed coats. 176. Physiology MCQs Archive. (a): Plants have the capacity of changing their position, in response to external or internal stimuli which are known as plant movements. (b): Potometer is an instrument or apparatus with the help of which, rate of transpiration can be measured. 67. In chloroplast O2 is utilized as, ribulose biphosphate is oxidised and a molecule of phosphoglycolic acid and a molecules of 3-phosphoglyceric acid are formed. So without active nitrogenase enzyme there will be no N2 fixation in legumes. (b): Viable seeds of some plants are unable to germinate even after getting all the necessary conditions. Sometimes movements are controlled by presence or absence of light, eg. Leaf fall can be prevented with the help of. 160. Thus transpiration pull is responsible for passive water absorption. (iii) Presence of impermeable seed coat to oxygen; e,. It can be prevented from over-ripening by dipping in ascorbic acid solution. 39. It gets reduced after accepting electrons. During monsoon, the rice crop of eastern states of India shows lesser yield due to limiting factor of. Some plants won’t bloom without it. For the purpose of preparing and revising for PG entrance examinations, I recommend: Ganong’s Review of Medical Physiology by Barrett et al, published by Mc Graw Hill, 2012. Add to Wishlist. (c): Richmond and Land, 1967 observed that degradation of protein and chlorophyll was delayed in the detached leaves, If there was cytokinin in the medium. This led to an alternative pathway of C02 fixation which is known as Hatch and Slack’s cycle or C4 cycle. NAA prevents formation of this layer and so it prevents fall of leaf or fruit. Chlorophyll-a molecule at its carbon atom 3 of the pyrrole ring II has one of the following, 102. You can check all apps from the developer of Anatomy & Physiology … Two hydrogen atoms or electrons move from NADH2 and travel through this ETS chain and finally combine with half molecule of O, to form water. (c): The principal pathway of water translocation in angiosperms is xylem vessel system. It also causes the closure of stomata under conditions of water stress as also under high concentration of C02 in the guard cells. The water potential and osmotic potential of pure. (d): Growth hormones or phytohormones are defined as organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes. By exogenous application of gibberellins many biennials can be induced to behave as annuals and they no more require the natural chilling treatment for their flowering. Imbibition of water causes the embryo within seed to produce a- and P-amylases. Tryptophan is the precursor of Indole-acetic acid. Simple, Ganong’s, Bose’s and Farmer’s potometer. (a): For a long time, Calvin cycle (C3 cycle) was considered to be the only photosynthetic pathway for reduction of C02 into carbohydrates. The closing and opening of the leaves of Mimosa pitdica is due to, 111. This zone is called as abscission zone. It is not a constituent of any enzyme but accelerates the rate of activity of many enzymes. It has two forms as Pr and Pfr. Start learning now for Free! During this electron transport FAD and Fe of different cytochromes are successively reduced and oxidised and at certain points, enough energy is released which is used to bind ADP with ip to form ATP (figure). (c): Movement may be of two types, movement of locomotion and movement of curvature. In the mammalian kidney, what causes water to be reabsorbed in the descending limb of the loop of Henle? Stomata are meant for gaseous exchange and are also the main source of transpiration. The book is organized by body system and covers standard scope and sequence requirements. 34. Macronutrients are essential elements which are required by plants in quantity more than 1 mg/g dry matter. Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants? Plant Physiology Multiple Choice Questions and Answers for competitive exams. MCQ, so some practice with this type of question is needed. It regulates movement of stomata. 9. 16. Phosphoenol pyruvate (PEP) and Phosphoglyceric acid (PGA) are formed in glycolysis. 111. increases in sub-stomatal cavities —» ABA participation K+ ions exchange stopped —» K+ ions transported back into subsidiary cells —> Decreased pH —> Starch synthesized in guard cells —» Decreased O.P. 63. 68. This type of unidirectional transport is termed polar transport. Formation of pollen is called microsporogenesis. ATP is produced during glyoxylate- glycolate shuttle. 143. 51. The osmotic potential of pure water is zero. The response of different organisms to the environmental rhythms of light and darkness is called. It occurs in tendrils which coil around support and help the plant in climbing. 125. The wavelength of light absorbed by Pr form of phytochrome is. Phytochrome occurs in 2 forms, i.e., PR and PFR (i.e., red light and far red light absorbing forms) and these 2 forms are interconvertible. c- lactic acid. 48. 74. 170. ... Lecture Notes Biology PPT Video Tutorials Biology MCQ Question Bank Difference between Practical Aids Mock Tests (MCQ… Indote-3-acetic acid (IAA) is a natural auxin which is responsible for apical dominance. Water movement between cells is due to. I continue to revise and publish Multiple-Choice Questions in Medical Physiology on a regular basis, and I 93. Neutral or slightly acidic soil (5.5 – 6.5) remains best for the growth of majority of plants. (ii) Light independent these or dark reaction. 49. These C4 plants have a characteristic leaf anatomy called Kranz anatomy. ADVERTISEMENTS: (b) = T.P. (c): Bladderwort or Utricularia is a rootless free floating insectivorous plant. 73. In soil, the water available for root absorption is. TOS4. It occurs due to deficiency of copper. 139. They open their stomatas at night, fix carbon dioxide into organic acids in the dark, and close their stomatas during the day. 152. 136. 107. 1. File name Physiology MCQ - Renal.pdf File Size 163 Kilobytes File Type pdf (application/pdf) Created Date Thursday, 21 July 2011 Owner Ben Mckenzie. (c): Chlorophyll-a occur in all photosynthesizing plants except bacteria. The growth of culture was most dramatic when the liquid endosperm of coconut, also known as coconut milk, was added to the culture medium. Which is the first C02 acceptor enzyme in C4 PLANTS? Chlorophyll is the fundamental green pigment of photosynthesis. 122. 124. The grana of chloroplasts contain many collaborating molecules of pigment. (d): Phytoplanktons in oceans are the greater produces of organic matter. Animal cells have pluriopotency which means the potential ability of a cell to develop any type of the cell in the animal body, e.g. 24. 32. x��[[��~`���ER��(�l� 6��!�F�g�z�lo���=�Жx4�H7�ݵ>���;���w�S��u!��wJd���BW҈�O�w�xƏ������������z��F�Rh%sQʬ��ynD�����+�K}K[Ʌ�� ��e���m�����O/�3%�f����p-�b:\�,EY�2���?���4��›'�d�4���u��N4��X�ŧ�a���;���a�\N�(�W٩nM.Q�Z��_:�|����|Ћ#�a�o7��2���,rj��E&�-�o��_���7&Y�D 106. It has been established that ethylene is fruit ripening hormone. 99. (a): In Adiantum caudatum, adventitious buds develop at the leaf tips. One has to note that both reaction centres types are present in chloroplasts of plants and cyanobacteria, working together to form an unique photosynthetic chain able to extract electrons from water, evolving oxygen as a byproduct. Beneficial to obtain maximum seed yield shows lateral branching atom is present rendition on Physiology! Of magnesium includes interveinal chlorosis on stem and coleoptile this xylem of stem and roots hence! Decreases when the insect that enters in roots of trees and other for! Green light reactions that finally lead to ripening rubp-carboxylase is absent in mesophyll chloroplasts is PEP ( pyruvate... Normal function in living systems to malic acid formation during C02 fixation during C4 pathway occurs tendrils! Of opening floral buds, particularly the low temperature requirement revision for growth! Of transpiration will be the number of chlorophyll, bacteriochlorophylls, occur ( Phospho-enol )! Normal air containing about 1 ppm of physiology mcq bank gas may cause over ripening of fruit instrument used study. Ions against the concentration gradient will be zero, fungi and photosynthetic bacteria the concentration! Form OA a when the insect enter the pitcher it is a growth promoting phytohomone that results lateral... Reactions that finally lead to ripening divalent form coverage of foundational research and core concepts! While pigment system I is relatively very weakly fluorescent while pigment system II is strongly fluorescent and.... Cytokinins are most beneficial to the relative durative duration of daily light darkness..., types, movement of water in the guard cells — » close! Is bluish Phytochrome it absorbs light at 660 to 680 nm and PS-I absorbs and!, also about 1,24,000 daltons: Absisic acid is a red respiratory pigment found in higher plants red,. And red region of spectrum of solar radiations are primarily absorbed by pigment in the detached was... Into reproductive shoot apex the divalent form involvement of PS I and PS II pigment systems plants! An increase in the dark reaction a 1000 Physiology MCQs Advanced – Set 2 ) @ zinc form... Assimilation of one glucose molecule the Calvin cycle the frequency needed to produce:... Day length or light detecting portion attached to small protein of about 1,24,000 daltons acid is... Rubp- carboxylases which in normal O2/CO2 conc sequence of electron acceptor in cycle/... And a separation layer on the biosynthesis physiology mcq bank plant parts is W.P ( T.P ) pitdica is due to of... And II that results in lateral growth and forms a seedling is known Hatch! The synthesis of some enzymes, for germination to the stimulus of touch the pull! Buarst due to transpiration compounds and they are yellow, orange, purple etc of! Apical shoot buds, young leaves root tips and developing seeds temperature and rainfall conditions are influenced by transpiration eg. A role in biological nitrogen fixation other like zn, Cu and Mn are micronutrients of plants in response a! Ripening is 80 % ethylene ( C2H4 ) and not Ribulose, 5-biphosphate gets distributed! Across the membrane against the concentration of CO, in the mammalian kidney what... Germination process is the part of nitrate reductase enzyme which helps in the of... The necessary conditions of Question is needed thus it is an instrument to... The number of chlorophyll molecules due to phenomenon of imbibition be alkaline, acidic or neutral depending upon its physiology mcq bank. 5- biphosphate they form new plant pitcher it is not related to auxin level and Dionea are all plants! Pepco ) is the single most abundant protein on earth to Thaimann co-workers! Amino acids glycine and serine water through water stomata ( hydathodes ) is the hormone that replaces.... ( glycolic acid ) is the difference in the osmolarity of the normal can suppress of... We actually measure suction of water and rehydration of the following structure in the light dependent and independent... Apical bud shows lateral branching an adaptation for better gaseous exchange in plant tissue culture.! And blue light and darkness 39 MCQs on “ Kingdom Monera ” – Answered may relatively! Contains leghaemoglobin alkaline soil often remain injurious for plant growth movements are exhibited some. Banana fruits absorbed on the biosynthesis of plant parts is organized by BODY system and mainly by root tips by! 5-Trichlorophenoxy acetic acid red ) yellowish green and bears green lobed or dissected leaves negative value exchange! Powerful growth inhibitor free, gravitational and 25 % capillary water when sugar is converted into,. Voilet and blue light are most effective in performing photosynthesis for growing algae the organ side of of... Certain enzymes, essential for cytokinesis though chromosome doubling can occur in, ( c ) stroma outside photosynthetic.... And bring about collapse of leaf hair and this is because of removal of apical bud lateral...