Description : C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation
Last Answer : (B) Less photorespiration
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 : 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 : 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 : 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 : Compare between the anatomy of leaf in C3 and C4 plants. -Biology
Last Answer : answer:
Description : Under what conditions are C4 plants superior to C3 plants? -Biology
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 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 : 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.
Last Answer : (a) C4 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 : Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in (a) C4 plants (b) C2 plants (c) C3 and C4 plants (d) C3 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 : 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 : What are the differences between C3 and C4 photosynthetic pathways? -Biology
Description : Name the two important enzymes of C3 and C4 pathway? -Biology
Description : Differences between C3 cycles and C4 cycle. -Biology
Description : Which compound act as co2 accepter in c3 and c4 plant -Biology
Description : Glycine gives __________ atoms of purine. (A) C2, C3 (B) C4, C5 and N7 (C) C4, C5 and N9 (D) C4, C6 and N7
Last Answer : Answer : B
Description : The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is (A) C1 (B) C3 (C) C4 (D) C5
Last Answer : Answer : D
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 : A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following ... you assign this plant? (a) CAM (b) Nitrogen fixer (c) C3 (d) C4
Last Answer : d) C4
Description : Anomers of D-glucopyranose differ in their stereochemistry at __________. (a) C1 (b) C2 (c) C3 (d) C4
Last Answer : C1
Description : There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 ... C4. If C4 is disqualified, then C2 finishes the race at which position? a) 2 b) 3 c) 1 d) 4
Last Answer : Ans: option (a)
Description : There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 ... intervening. C6 is ahead of C4. Which car comes in the first place? a) C1 b) C2 c) C3 d) C6
Last Answer : Ans: option (d)
Description : C4 plants have
Last Answer : Ans. Kranz type leaf
Description : The most important enzyme involved in photosynthetic CO2 fixation in C4 plants
Last Answer : Ans. PEP carboxylase
Description : C4 plants are
Last Answer : Ans. Maize, Sorghum, Sugarcane, millets etc.
Description : Final product of C3 pathway is
Last Answer : Ans. 3 PGA
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 : First product of C4 pathway is
Last Answer : Ans. Oxalo acetic acid (OAA)
Description : C4 cycle is also known as
Last Answer : Ans. Hatch and slack pathway
Description : C4 /Light reaction/Hill reaction take place in
Last Answer : Ans. Grana of Chlorophyll
Description : Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c ... d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant
Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.
Description : The first biological process that begins in a seed soon after in imbibes water
Last Answer : Ans. Respiration
Description : The enzyme involved in biological nitrogen fixation
Last Answer : Ans. Nitrogenase
Description : The characteristics of the type of environment where an organism normally lives?
Last Answer : Ans. Habitat
Description : A fruit juice normally contains 25% juice and 40% TSS
Last Answer : Ans. Squash
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 : Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust ... c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.
Last Answer : (a) Trichoderma sp. against certain plant pathogens.
Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes ? (1) Lady bird beetle against aphids in mustard (2) Trichoderma sp. against ... pathgens (3) Nucleopolyhedrovirus against white rust in Brassica (4) Bt-cotton to increase cotton yield
Last Answer : (2) Trichoderma sp. against certain plant pathgens