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 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).
Last Answer : (b) ribulose 1, 5-diphosphate (RuDP)
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).
Description : Carbon dioxide acceptor in C3-plants is (a) PGA (b) PEP (c) RuDP (d) none of these.
Last Answer : (c) RuDP
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
Last Answer : The initial `CO_(2)` acceptor in `C_(4)` plants is A. PEP B. PGA C. RuBP D. Pyruvate
Description : Which is CO2 acceptor in C3 plant? -Biology
Last Answer : answer:
Description : Name the primary acceptor of CO2 in C3 cycle. -Biology
Description : The first acceptor of `CO_(2)` in `C_(4)` plant is
Last Answer : The first acceptor of `CO_(2)` in `C_(4)` plant is A. RuBp B. PEP C. OAA D. water
Description : The exzyme nitrogenase which is capable of nitrogen reduction present in
Last Answer : The exzyme nitrogenase which is capable of nitrogen reduction present in
Description : Write the concentration of `CO_(2)` at which `C_(3) and C_(4)` plants shows saturation respectively.
Last Answer : Write the concentration of `CO_(2)` at which `C_(3) and C_(4)` plants shows saturation respectively.
Description : It is estimated that out of the total global warming the relative contribution of `CO_(2)`, `CH_(4)` CFCs and `N_(2)O` are found respectively as:
Last Answer : It is estimated that out of the total global warming the relative contribution of `CO_(2)`, `CH_(4)` CFCs ... 60% C. 60%,20%,14%,6% D. 6%,14%,20%,60%
Description : `Delta_(f)^(@)` for `CO_(2(g)), CO_((g))` and `H_(2)O_((g))` are `-393.5,-110.5` and `-241.8kJ mol^(-1)` respectively. The standard enthalpy change `(
Last Answer : `Delta_(f)^(@)` for `CO_(2(g)), CO_((g))` and `H_(2)O_((g))` are `-393.5,-110.5` and `-241.8kJ mol^(-1 ... A. `524.1` B. `41.2` C. `-262.5` D. `-41.2`
Description : The enthalpy of formation of `CO(g), CO_(2)(g),N_(2)O(g)` and `N_(2)O_(4)(g)` is `-110,-393,+81` and 10 kJ / mol respectively. For the reaction `N_(2)
Last Answer : The enthalpy of formation of `CO(g), CO_(2)(g),N_(2)O(g)` and `N_(2)O_(4)(g)` is `-110,-393,+81` and 10 ... is A. `-212` B. `+212` C. `+778` D. `-778`
Description : In human beings, `CO_(2)` concentration in the imspired and expired air is respectively
Last Answer : In human beings, `CO_(2)` concentration in the imspired and expired air is respectively A. 0.03% and 5.3% B. 0 ... C. 0.04% and 3.0% D. 0.03% and 4.0%
Description : The EAN of metal atoms in `[Fe(CO)_(2)(NO^(+))^(2)] and Co_(2)(CO)_(8)` respectively are :
Last Answer : The EAN of metal atoms in `[Fe(CO)_(2)(NO^(+))^(2)] and Co_(2)(CO)_(8)` respectively are : A. 34,35 B. 34,36 C. 36,36 D. 36,35
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 : The first carbon dioxide acceptor in C4-plants is (a) phosphoenol-pyruvate (b) ribulose 1, 5-diphosphate (c) oxaloacetic acid (d) phosphoglyceric acid.
Last Answer : (a) phosphoenol-pyruvate
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 : 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 : 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 : What are C3 Plants? -Biology
Description : Examples of C3 Plants? -Biology
Description : What is C3 pathway in plants? -Biology
Description : C4 plants normally give more biological yield than C3 plants because of
Last Answer : Ans. Less respiration
Description : The photosynthetic rate of C4 is …….. than C3 plants
Last Answer : Ans. Low
Description : The water use efficiency of C4 is …….. than C3 plants
Last Answer : Ans. High
Description : The most important enzyme involved in photosynthetic CO2 fixation in C3 plants
Last Answer : Ans. Rubisco
Description : C3 plants are
Last Answer : Ans. Rice, Wheat, Pea, Soybean etc
Description : The C3 Plants are
Last Answer : Ans.Rice, Wheat, Barley, Pea, Gram, Mustard and Rye, Cotton, Arhar, Soybean, Sunflower, Lentil, Sugarbeet, Tomato etc.
Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called- (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect
Last Answer : (4) Warburg effect Explanation: An increase in the oxygen concentration in many plants results in a decrease in the rate of photosynthesis. This phenomenon of the inhibition of photosynthesis by O2 was first ... known to occur in C3 plants (Soyabean) and C4 plants (Sorghum, Maize, Sugarcane), etc.
Description : Photo-respiration rate is highest in which group of plants? (A) C3 plants (B) CAM plants (C)C4 plants (D) None of these
Last Answer : (A) C3 plants
Description : The plants which open their stomata during night for taking CO4 are known as (A) C3 (B) CAM (C)C4 (D) All of above
Last Answer : (B) CAM
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 : Which one of the following is wrong in relation to photorespiration? (a) It occurs in chloroplast. (b) It occurs in day time only. (c) It is a characteristic of C4 plants. (d) It is a characteristic of C3 plants.
Last Answer : (c) It is a characteristic of C4 plants
Description : C4 plants are more efficient in photosynthesis than C3 plants due to (a) higher leaf area (b) presence of larger number of chloroplasts in the leaf cells (c) presence of thin cuticle (d) lower rate of photorespiration
Last Answer : d) lower rate of photorespiration.
Description : A process that makes important difference between C3 and C4 plants is (a) transpiration (b) glycolysis (c) photosynthesis (d) photorespiration.
Last Answer : (d) photorespiration.
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 : Kranz anatomy is typical of (a) C4 plants (b) C3 plants (c) C2 plants (d) CAM plants.
Description : 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? (a) Two (b) Six (c) Twelve (d) Zero
Last Answer : (c) Twelve
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 : In C3 plants, the first stable product of photosynthesis during the dark reaction is (a) malic acid (b) oxaloacetic acid (c) 3-phosphoglyceric acid (d) phosphoglyceraldehyde.
Last Answer : (c) 3-phosphoglyceric acid
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 : A process that makes important difference between C3 and C4 plants is (1) Photorespiration (2) Transpiration (3) Glycolysis (4) Photosynthesis
Last Answer : (1) Photorespiration
Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called : (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect
Last Answer : Warburg effect
Description : In the leaves of `C_(4)` plants, malic acid formation during `CO_(2)` fixation occurs in the cells of
Last Answer : In the leaves of `C_(4)` plants, malic acid formation during `CO_(2)` fixation occurs in the ... A. Epidermis B. Mesophyll C. Bundle sheath D. Phloem
Description : Photosynthesis in `C_(4)` plants is relatively less limited by atmospheric `CO_(2)` levels because
Last Answer : Photosynthesis in `C_(4)` plants is relatively less limited by atmospheric `CO_(2)` levels because A. ... 4)` plants has higher affinity for `CO_(2)`