Description : Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in (a) C4 plants (b) C2 plants (c) C3 and C4 plants (d) C3 plants.
Last Answer : (a) C4 plants
Description : The primary acceptor, during CO2 fixation in C3 plants, is (a) phosphoenolpyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).
Last Answer : (b) ribulose 1, 5-diphosphate (RuDP)
Description : Which is CO2 acceptor in C3 plant? -Biology
Last Answer : answer:
Description : The primary acceptor of CO2 in C4 cycle is? -Biology
Description : The carbon dioxide acceptor in Calvin cycle/ C3-plants is (a) phosphoenol pyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).
Description : First product formed when CO2 is fixed during dark reaction in C3 cycle. -Biology
Description : `CO_(2)` acceptor and carboxylating exzyme in C3 plants are , respectively,
Last Answer : `CO_(2)` acceptor and carboxylating exzyme in C3 plants are , respectively, A. PEP, PEPCO B. RuBP, RuBisCO C. OAA, RuBisCO D. 3 PGA, RuBisCO
Description : Carbon dioxide acceptor in C3-plants is (a) PGA (b) PEP (c) RuDP (d) none of these.
Last Answer : (c) RuDP
Description : CO2 acceptor in the mesophyll cells of a C4 plant is -Biology
Description : Pentose phosphate that fixes CO2 in a C3 plant. -Biology
Description : Which compound act as co2 accepter in c3 and c4 plant -Biology
Description : Which is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase
Last Answer : (d) PEP- carboxylase
Description : The most important enzyme involved in photosynthetic CO2 fixation in C3 plants
Last Answer : Ans. Rubisco
Description : Which of the following is correct about the photorespiration? a. Photorespiration is more efficient in synthesizing glucose than photosynthesis. b. C3 plants are best adapted to handle c. ... During photorespiration plants use oxygen to break down carbohydrates and release e. All of these
Last Answer : c. Photorespiration is likely to occur when oxygen level is high and CO2 level is
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.
Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum
Description : The C4 plants are photosynthetically more efficient than C3 plants because (a) the CO2 efflux is not prevented (b) they have more chloroplasts (c) the CO2 compensation point is more (d) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.
Last Answer : (b) they have more chloroplasts
Description : Enzyme involved in carboxylation in C3 cycle is -Biology
Description : Differences between C3 cycles and C4 cycle. -Biology
Description : The carbon dioxide acceptor in Calvin cycle/ `C_(3)`- plants is
Last Answer : The carbon dioxide acceptor in Calvin cycle/ `C_(3)`- plants is A. PEP B. RuBP C. PGA D. NADP
Description : In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of (a) fumaric acid to malic acid (b) succinic acid to fumaric acid (c) succinyl CoA to succinic acid (d) α-ketoglutarate to succinyl CoA.
Last Answer : (b) succinic acid to fumaric acid
Description : Primary electron acceptor of PS-II is
Last Answer : Primary electron acceptor of PS-II is A. Pheophytin B. Ferredoxin C. PQ D. PC
Description : Phosphoenol pyruvate (PEP) is the primary CO 2 acceptor in: (1) C 4 plants (2) C 2 plants (3) C 3 and C 4 plants (4) C 3 plants
Last Answer : (1) C 4 plants
Description : Calvin cycle is: (1) C3 cycle (2) Reductive pentose-phosphate cycle (3) Common in cereals uncommon in cereals (4) Uncommon in cereals
Last Answer : Ans. ((c))
Description : C3 cycle is also known as
Last Answer : Ans. Blackman reaction
Description : C3 /Dark reaction/Calvin cycle take place in
Last Answer : Ans. Stroma of Chlorophyll
Description : The process which makes major difference between C3 and C4 plants is (a) glycolysis (b) Calvin cycle (c) photorespiration (d) respiration.
Last Answer : (c) photorespiration
Description : Which pair is wrong? (a) C3-maize (b) C4-kranz anatomy (c) Calvin cycle-PGA (d) Hatch and Slack cycle - OAA
Last Answer : (a) C3-maize
Description : Select the false statement ? a. CAM cycle occurs in Mesophyll cells b. C3 plants are more efficient in photosynthesis than C4 plants c. Pineapple is CAM plant d. Maize is C4 plant
Last Answer : b. C3 plants are more efficient in photosynthesis than C4 plants
Description : What is the final electron acceptor in aerobic respiration? -Biology
Description : What is the final electron acceptor in the light dependent reaction of photosynthesis? -Biology
Description : What are the differences between C3 and C4 photosynthetic pathways? -Biology
Description : Compare between the anatomy of leaf in C3 and C4 plants. -Biology
Description : Why photorespiration is considered a loss to C3 plants? -Biology
Description : Under what conditions are C4 plants superior to C3 plants? -Biology
Description : Name the two important enzymes of C3 and C4 pathway? -Biology
Description : What are C3 Plants? -Biology
Description : Examples of C3 Plants? -Biology
Description : What is C3 pathway in plants? -Biology
Description : Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine
Last Answer : Answer : C
Description : One molecule of glucose gives ______ molecules of CO2 in EM-TCA cycle. (A) 6 (B) 3 (C) 1 (D) 2
Last Answer : A
Description : The ornithine cycle removes two waste products from the blood in liver. These products are (a) CO2 and ammonia (b) ammonia and uric acid (c) CO2 and urea (d) ammonia and urea.
Last Answer : a) CO2 and ammonia
Description : In ornithine cycle, which of the following wastes are removed from the blood? (a) CO2 and urea (b) Ammonia and urea (c) CO2 and ammonia (d) Urea and urine
Last Answer : (c) CO2 and ammonia
Description : End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O
Last Answer : (d) CO2 + H2O.
Description : Study the pathway given below. Atmospheric CO2 mesophyll cell Bundle sheath cell Plasma- desmata Plasma membrane Cell wall HCO Phosphoenol- 3 - pyruvate Cell wall C acid ... b) Fixation Transamination Regeneration (c) Fixation Decarboxylation Regeneration (d) Carboxylation Decarboxylation Reduction
Last Answer : (c) Fixation Decarboxylation Regeneration
Description : All the following are produced during the citric acid cycle except: a. CO2. b. 02. c. ATP. d. NADH.
Last Answer : a. CO2.
Description : The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is
Last Answer : The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is A. Quinone B. Cytochorme C. Iron-sulfur protein D. Ferredoxin
Description : In photosystem-I the first electron acceptor is
Last Answer : In photosystem-I the first electron acceptor is A. Plastocyanin B. An iron-sulfur protein C. Ferrodoxin D. Cytochorme
Description : The initial `CO_(2)` acceptor in `C_(4)` plants is
Last Answer : The initial `CO_(2)` acceptor in `C_(4)` plants is A. Phosphoglyceraldehyde B. Ribulose monophosphate C. Phosphonel pyruvate D. Ribulose diphosphate