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 : Oxidation number of carbon in carbon suboxide `(C_(3)O_(2))` is :
Last Answer : Oxidation number of carbon in carbon suboxide `(C_(3)O_(2))` is : A. `(+2)/(3)` B. `(+4)/(3)` C. `+4` D. `(-4)/(3)`
Description : The configurations of the carbon atoms `C_(2)` and `C_(3)` in the following compound respectively
Last Answer : The configurations of the carbon atoms `C_(2)` and `C_(3)` in the following compound respectively A. R, R B. S, S C. R, S D. S, R
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 : Apart from carbon dioxide and water, name four other raw materials which are needed by the plants. -Science
Last Answer : Nitrogen, phosphorus, iron and magnesium.
Description : i) Write a balanced chemical equation for process of photosynthesis. (ii)When do desert plants take up carbon dioxide and perform photosynthesis? -Chemistry
Last Answer : Answer. (ii) In desert plants the stomata are open at night. They take CO2 at night and is stored in the form of acid and is used during day time for photosynthesis.
Description : (i) Write the balanced chemical equation for the process of photosynthesis, (ii) When do the desert plants take up carbon dioxide and perform photosynthesis ? -Biology
Last Answer : (i) Photosynthesis can be represented using a chemical equation. The overall balanced equation is (ii) Desert plants open up their stomata during night and take in CO2. Stomata remains close during the ... cells until the sun comes out and they can carry on with photosynthesis during the day time.
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 : What green molecule that enables plants to turn water carbon dioxide and sunlight into sugars?
Last Answer : Chlorophyll
Description : Why Plants use carbon dioxide water and sunlight to produce what?
Last Answer : Need answer
Description : What is the name of the process where plants use the suns energy to turn water and carbon dioxide into food molecules?
Last Answer : The process of photosynthesis.
Description : Green plants in the sea are useful for the respiration of fish because (a) They give out oxygen (b) They give out carbon dioxide (c) The give out oxygen and carbon dioxide simultaneously (d) They take oxygen and give out carbon dioxide
Last Answer : Ans:(a)
Description : Coal burning power plants and factories are responsible for about 86% of - (a) carbon monoxide in the atmosphere (b) sulphur dioxide in the atmosphere (c) chlorine in the atmosphere (d) nitrogen dioxide in the atmosphere
Last Answer : Ans:(b)
Description : During the day time plants (a) take in oxygen and give out carbon dioxide (b) take in carbon dioxide and give out oxygen (c) take in nitrogen and give out oxygen (d) take in carbon dioxide and give out nitrogen
Description : To carry out photosynthesis plants require – (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen
Last Answer : (2) Carbon-dioxide Explanation: In photosynthesis, carbon dioxide is converted into sugars in a process called carbon fixation. Carbon fixation is a redox reaction, so photosynthesis needs to ... the electrons needed to convert carbon dioxide into a carbohydrate, which is a reduction reaction.
Description : Which one of the following has most corrosive effect? (1) Air (2) Carbon dioxide (3) Plants (4) Water
Last Answer : (4) Water Explanation: Common corrosives are either strong acids, strong bases, or concentrated solutions of certain weak acids or weak bases.
Description : During photosynthesis in plants, the gas evolved is - (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen
Last Answer : (3) Oxygen Explanation: Photosynthesis is a process used by plants and other organisms to convert the light energy captured from the sun into chemical energy that can be used to fuel the organism ... , through primary production, or indirectly, as the ultimate source of the energy in their food.
Description : Fungi are plants that lack - (1) Oxygen (2) Carbon dioxide (3) Chlorophyll (4) None of these
Last Answer : (3) Chlorophyll Explanation: We know plants prepare their own food and so are known as autotrophs. With the help of photosynthesis they make food in which they produce glucose from carbon dioxide and sunlight.
Description : Which of the following gases do plants and trees give out during photosynthesis? A. Hydrogen B. Nitrogen C. Oxygen (Answer) D. Carbon dioxide
Last Answer : C. Oxygen (Answer)
Description : The enzyme that catalyses carbon dioxide fixation in C4 plants is (a) RuBP carboxylase (b) PEP carboxylase (c) carbonic anhydrase (d) carboxydismutase.
Last Answer : (b) PEP carboxylase
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 : Carbon dioxide acceptor in C3-plants is (a) PGA (b) PEP (c) RuDP (d) none of these.
Last Answer : (c) RuDP
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : The most important element involved in the food preparation of plants is a. Nitrogen b. Oxygen c. Carbon dioxide d. Sulphur
Last Answer : c. Carbon dioxide
Description : The greatest reservoir of carbon dioxide is: w) the atmosphere x) plants y) the soil z) the oceans
Last Answer : ANSWER: Z -- THE OCEANS
Description : To carry out photosynthesis plants require (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen
Last Answer : Carbon-dioxide
Description : During photosynthesis green plants absorb (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) oxygen
Last Answer : carbon dioxide
Description : During photosynthesis in plants, the gas evolved is (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen
Last Answer : Oxygen
Description : In `C_(3)` plants, the first stable product of photosynthesis during dark reaction is
Last Answer : In `C_(3)` plants, the first stable product of photosynthesis during dark reaction is A. ... acid C. Oxaloacetic acid D. 3-Phosphoglyceric acid
Last Answer : In `C_(3)` plants, the first stable product of photosynthesis during dark reaction is A ... Phosphoglyceric acid (PGA) D. Phosphoglyceraldehyde (PGAL)
Description : The first stable compound formed in photosynthesis of `C_(3)` plants is
Last Answer : The first stable compound formed in photosynthesis of `C_(3)` plants is A. Phosphoglyceric acid B. Starch C. Pyruvic acid D. Ribulose diphosphate
Description : In `C_(4)` plants , the first product is
Last Answer : In `C_(4)` plants , the first product is A. 3-PGA B. OAA C. Malic acid D. Glutamic acid
Description : The first stable product in `CAM//C_(4)` plants is
Last Answer : The first stable product in `CAM//C_(4)` plants is A. Starch B. Oxalo-acetic acid C. Sugar D. Malic acid
Description : The process which makes major difference between `C_(3)` and `C_(4)` plants is
Last Answer : The process which makes major difference between `C_(3)` and `C_(4)` plants is A. Photorespiration B. Respiration C. Glycopsis D. Calvin cycle
Description : A process that makes important difference between `C_(3)` and `C_(4)` plants is
Last Answer : A process that makes important difference between `C_(3)` and `C_(4)` plants is A. Glycolysis B. Photosynthesis C. Photorespiration D. Transpiration
Description : The `C_(4)` plants are photosynthesis more efficient then `C_(3)` plant because
Last Answer : The `C_(4)` plants are photosynthesis more efficient then `C_(3)` plant because ... photorespiration is trapped and recycled through PEP carboxylase
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 : `C_(4)` plants are more efficient in photosynthesis than `C_(3)` plants due to
Last Answer : `C_(4)` plants are more efficient in photosynthesis than `C_(3)` plants due to A. ... Presence of larger number of chloroplasts in the leaf cells
Description : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.
Last Answer : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II ... false. D. If both Assertion and Reason are false.
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)`
Description : As compared to a `C_(3)` plant, how many additional molecules of ATP are needed for net production of one molecule hexose sugar by `C_(4)` plants
Last Answer : As compared to a `C_(3)` plant, how many additional molecules of ATP are needed for net production of one ... plants A. Two B. Six C. Zero D. Twelve
Description : Photorespiratioin in `C_(3)` plants starts from
Last Answer : Photorespiratioin in `C_(3)` plants starts from A. Phosphoglycerate B. Glycerate C. Glycine D. Phosphoglycolate
Description : In `C_(4)` plants, Calvin cycle operates in
Last Answer : In `C_(4)` plants, Calvin cycle operates in A. Grana of mesophyll chloroplasts B. ... Bundle sheath cells chloroplasts D. Wrong statements wrong
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
Description : The `C_(4)`-plants are different from the `C_(3)`-plants with reference to the
Last Answer : The `C_(4)`-plants are different from the `C_(3)`-plants with reference to the A. Type ... `CO_(2)` in carbon assimilation and first stable product
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