Description : In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of (a) bundle sheath (b) phloem (c) epidermis (d) mesophyll.
Last Answer : (d) mesophyll.
Description : In leaves of C4 plants, malic acid synthesis during CO2 fixation occurs in (a) bundle sheath (b) guard cells (c) epidermal cells (d) mesophyll cells
Last Answer : (d) mesophyll cells.
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 : The CO2 fixation during C4 pathway occurs in the chloroplast of (a) guard cells (b) bundle sheath cells (c) mesophyll cells (d) spongy parenchyma.
Last Answer : (c) mesophyll cells
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 : In C4 plants, CO2 fixation is done by (a) sclerenchyma (b) chlorenchyma and hypodermis (c) mesophyll cells (d) guard cells.
Description : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are decarboxylated during night.
Last Answer : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are ... . If both Assertion and Reason are false.
Description : Source of `CO_(2)` for photosynthesis during day in CAM plant is
Last Answer : Source of `CO_(2)` for photosynthesis during day in CAM plant is A. 3-PGA B. Malic acid C. Oxaloacetic acid D. Pyruvate
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 : In `C_(4)` plants , initial `CO_(2)` fixation takes place in the chloroplasts of
Last Answer : In `C_(4)` plants , initial `CO_(2)` fixation takes place in the chloroplasts of A. Gurad cells B. Mesophyll cells C. Spongy tissue D. Bundle sheath
Description : Stomata of CAM plants (a) are always open (b) open during the day and close at night (c) open during the night and close during the day (d) never open.
Last Answer : (c) open during the night and close during the day
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 : PGA as the first `CO_(2)` fixation product was discovered in photosynthesis of
Last Answer : PGA as the first `CO_(2)` fixation product was discovered in photosynthesis of A. Angiosperm B. Alga C. Bryophyte D. Gymnosperm
Description : Sugarcane show high efficiency of `CO_(2)` fixation because of
Last Answer : Sugarcane show high efficiency of `CO_(2)` fixation because of A. Calvin cycle B. hatch and Slack cycle C. TCA cycle D. Greater sunlight
Description : Reducing agent for `CO_(2)` fixation in bacterial photosynthesis is
Last Answer : Reducing agent for `CO_(2)` fixation in bacterial photosynthesis is A. `NADH_(2)` B. `NADPH_(2)` C. `FMNH_(2)` D. All of these
Description : Mesophyll cells in plants -Biology
Last Answer : answer:
Description : In `C_(4)` plants , mesophyll cells and bundle sheath cells are specialized to perform, respectively,
Last Answer : In `C_(4)` plants , mesophyll cells and bundle sheath cells are specialized to ... and photorespiration D. Photorespiration and dark reaction
Description : The source of oxygen generated during photosynthesis is: (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells
Last Answer : (1) water Explanation: The source of oxygen produced during photosynthesis is the splitting of water molecule into hydrogen and oxygen. Photosynthesis uses carbon dioxide and water, releasing ... inside organelles called chloroplasts, while in bacteria they are embedded in the plasma membrane.
Description : Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following. (a) Tyloses in vessels (b) Closure of stomata (c) Flaccidity of bulliform cells (d) Shrinkage of air spaces in spongy mesophyll
Last Answer : (c) Flaccidity of bulliform cells
Description : The source of oxygen generated during photosynthesis is : (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells
Last Answer : water
Description : How Nitrogen fixation for plants occurs in what organism?
Last Answer : Nitrogen fixation is carried out by nitrogen fixing bacteria in the nodules of the roots of legumes, and in the soil.
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 : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight
Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum
Description : What occurs in the palisade mesophyll? -Biology
Description : Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ... the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.
Last Answer : (d) Nitrogenase is insensitive to oxygen.
Description : The following are true about the Troxler's phenomenon: a. it refers to disappearance of an image during steady fixation of another object b. it only occurs in the peripheral retina c. eye movement eliminates this phenomenon d. movement of the object eliminates this phenomenon
Last Answer : movement of the object eliminates this phenomenon
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 : CO2 acceptor in the mesophyll cells of a C4 plant is -Biology
Description : Why do mesophyll cells contain chloroplasts? -Biology
Description : Mesophyll cells function -Biology
Description : Stomata and mesophyll cells gas exchange? -Biology
Description : What are the functions and adaptions of the following;a. Palisade cellb. Spongy mesophyll cellc. Sperm and egg celld. Ciliated cellse. Root hair cellf. Red and white blood cells?
Last Answer : common unvalidated interventions
Description : $ Leaves of monocots are amphistomatic. ! Dicot leaf has dimophic cells in mesophyll.
Last Answer : $ Leaves of monocots are amphistomatic. ! Dicot leaf has dimophic cells in mesophyll. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells
Last Answer : (4) they have specialised bulli-form cells Explanation: Bulliform cells are large, bubbleshaped epidermal cells that occur in groups on the upper surface of the leaves of many grasses. These cells, by their turgor changes, cause rolling and unrolling of the leaves thus regulating water loss.
Description : What is true about a monocot leaf? (a) Reticulate venation (b) Absence of bulliform cells from epidermis (c) Mesophyll not differentiated into palisade and spongy tissues
Last Answer : (c) Mesophyll not differentiated into palisade and spongy tissues
Last Answer : they have specialised bulliform cells
Description : In C4 plants, Calvin cycle operates in (a) stroma of bundle sheath chloroplasts (b) grana of bundle sheath chloroplasts (c) grana of mesophyll chloroplasts (d) stroma of mesophyll chloroplasts.
Last Answer : (a) stroma of bundle sheath chloroplasts
Description : Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant during photosynthesis. Reason out the above ... Both processes can happen together because the diffusion coefficient of water and CO2 is different
Last Answer : (d) Both processes can happen together because the diffusion coefficient of water and CO2 is different
Description : Incorporation of atmospheric N2to NH4 + occurs via the process of A.assimilatory nitrate reduction B.transamination C.deamination D.nitrogen fixation
Last Answer : D.nitrogen fixation
Description : Which type of chest configuration is typical of the patient with COPD? a) Barrel chest Barrel chest results from fixation of the ribs in the inspiratory position. b) Pigeon chest Pigeon chest ... depression in the lower portion of the sternum and is associated with Mafan's syndrome or rickets.
Last Answer : a) Barrel chest “Barrel chest” results from fixation of the ribs in the inspiratory position.
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 of the following is true for photoperiodic? (1) It occurs only in plants (2) It is related to flowering in plants (3) It is related to feathers of animals (4) It is the reaction of organisms to the length of day or night
Last Answer : (4) It is the reaction of organisms to the length of day or night Explanation: Photoperiodism is the physiological reaction of organisms to the length of day or night. The term " ... Because flowers produce seeds, flowering is crucially important for the plant to complete its life cycle.
Description : Which of the following is true for photoperiodic ? (1) It occurs only in plants (2) It is related to flowering in plants (3) It is related to feathers of animals (4) It is the reaction of organisms to the length of day or night
Last Answer : It is the reaction of organisms to the length of day or night
Description : In the atmosphere, carbon dioxide is found in two forms, i.e., `.^(12)CO_(2)` and `.^(14)CO_(2)`. Plants absorb `CO_(2)` during photosynthesis. In pre
Last Answer : In the atmosphere, carbon dioxide is found in two forms, i.e., `.^(12)CO_(2)` and `.^(14)CO_(2)` ... 4246.5 years B. 5384 yrs C. 4628 yrs D. 2684 yrs
Last Answer : In the atmosphere, carbon dioxide is found in two forms, i.e., `.^(12)CO_(2)` and `.^(14)CO_(2)`. ... A. 4246 yrs B. 4624 yrs C. 4628 yrs D. 6248 yrs
Last Answer : In the atmosphere, carbon dioxide is found in two forms, i.e., `.^(12)CO_(2)` and `.^(14)CO_(2) ... H_(2)O` and `CO_(2)` D. mechanism is not confirmed
Last Answer : In the atmosphere, carbon dioxide is found in two forms, i.e., `.^(12)CO_(2)` and ` ... nitrogen by cosmic ray neutrons D. none of the above
Description : In which plants CAM pathway is present? -Biology
Description : CAM helps the plants in
Last Answer : CAM helps the plants in A. Reproduction B. Conservation water C. Secondary growth D. Disease resistance