Description : In the first stage of photosynthesis, light energy is used to: a) move water molecules b) denature chlorophyll c) split water d) produce carbohydrates
Last Answer : ANSWER: C -- SPLIT WATER
Description : In photosynthesis energy from light reaction to dark reaction is transferred in the form of (a) ADP (b) ATP (c) RuDP (d) chlorophyll.
Last Answer : (b) ATP
Description : Moll’s experiment explains that (a) Carbon dioxide is essential for photosynthesis (b) Chlorophyll and water are necessary for photosynthesis (c) Light and water are essential for photosynthesis (d) All of the above are correct
Last Answer : Ans. ((a))
Description : The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.
Last Answer : (b) excitement of chlorophyll molecules due to absorption of light
Description : What Color does chlorophyll not absorb? A. Red B. Blue C. Green (Answer) D. Yellow
Last Answer : C. Green (Answer)
Description : The wavelength of light most absorbed by chlorophyll-a during photosynthesis is
Last Answer : The wavelength of light most absorbed by chlorophyll-a during photosynthesis is A. 460 nm B. 500 nm C. 600 nm D. 660 nm
Last Answer : The wavelength of light most absorbed by chlorophyll-a during photosynthesis is A. 400 nm B. 550 nm C. 660 nm D. 700 nm
Description : People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude to 5400 metres have around 8 million. This is because at high altitude ... required amount of O2 to survive (d) there is more UV radiation which enhances RBC production.
Last Answer : (c) atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
Description : The pyrogallol solution used in Orsat apparatus can absorb (A) Only O2 (B) Both O2 and CO2 (C) Both O2 and CO (D) All CO, CO2 , and O2
Last Answer : (B) Both O2 and CO2
Description : The cuprous chloride used in orsat apparatus can absorb (A) Only CO (B) Both CO and CO2 (C) Both CO and O2 (D) All CO, CO2 , and O2
Last Answer : (D) All CO, CO2 , and O2
Description : During light reaction of photosynthesis, which of the following phenomenon is observed during cyclic phosphorylation as well as non-cyclic phosphorylation? (a) Release of O2 (b) Formation of ATP (c) Formation of NADPH (d) Involvement of PS I and PS II pigment systems
Last Answer : (b) Formation of ATP
Description : Which of the following(s) is/are the products of the light reactions of photosynthesis? A.ATP only B.NADPH only C.ATP and O2 only D.ATP, NADPH, and O2
Last Answer : D.ATP, NADPH, and O2
Description : Which of the following provides energy for photosynthesis? (1) Water (2) Sunlight (3) Chlorophyll (4) Carbon dioxide
Last Answer : (2) Sunlight 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 ... is therefore: Carbon dioxide + electron donor + light energy -4 carbohydrate + oxidized electron donor.
Last Answer : Sunlight
Description : During photosynthesis, energy is absorbed by chlorophyll, therefore it is: (a) exothermic reaction (b) endothermic reaction (c) neither exothermic nor endothermic reaction (d) the process takes place in plants only
Last Answer : (b) endothermic reaction
Description : A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose
Last Answer : c. glucose; chlorophyll
Description : Name the products of photorespiration which are the result of `O_(2)` binding to RuBP
Last Answer : Name the products of photorespiration which are the result of `O_(2)` binding to RuBP
Description : Name the enzyme that acts both as carboxylase at one time and oxygenase at another time. (A) PEP carboxylase (B) RuBP carboxylase (C) Carbonic anyhdrase (D) None of these
Last Answer : Answer : B
Description : CO2 accepter in C4 plants is (A) PGA (B) RuBP (C)OAA (D) All
Last Answer : (C)OAA
Description : Which of the following anzymes is involved in the primary carboxylation in C4 plants? (a) RUBP Carboxylase (b) PEP(c) Oxygenase (d) Carboxylase
Last Answer : (b) PEP
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 liberation of oxygen during photosynthesis is due to - (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll
Last Answer : (2) photolysis of water Explanation: In the process of photosynthesis, oxygen is produced from the photolysis of water. The photolysis of water occurs when light is used to renew split water and ... , also referred to as ATP. The hydrogen remains in the leaf and participates in further reactions.
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 : Manganese is required in (a) plant cell wall formation (b) photolysis of water during photosynthesis (c) chlorophyll synthesis (d) nucleic acid synthesis.
Last Answer : d) nucleic acid synthesis.
Description : The liberation of oxygen during photosynthesis is due to (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll
Last Answer : photolysis of water
Description : The oxygen liberated during photosynthesis comes from (1) Water (2) Carbon dioxide (3) Glucose (4) Chlorophyll
Last Answer : Water
Description : The source of oxygen generated during photosynthesis is : (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells
Last Answer : water
Description : O2 released in the process of photosynthesis comes from (a) CO2 (b) Water (c) Sugar (d) Pyruvic acid
Last Answer : Ans:(b)
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 are the other pigments in photosynthesis and what colors do they absorb?
Last Answer : Feel Free to Answer
Description : What cell structures are seen only in cells that absorb sunlight and carry out photosynthesis?
Last Answer : What is the answer ?
Description : During photosynthesis green plants absorb (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) oxygen
Last Answer : carbon dioxide
Description : Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis ? -Science
Last Answer : Carbon dioxide and water.
Description : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis.
Last Answer : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis. A. ... wrong D. If both As and R are wrong.
Description : In photosynthesis is chlorophyll considered a reactant a product neither how does the role of chlorophyll compare with the roles of co2 and h20?
Last Answer : Need answer
Description : Chlorophyll is essential to photosynthesis because it traps the needed?
Last Answer : Chlorophyll traps the light energy from the sun
Description : Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus
Last Answer : (1) chloroplasts Explanation: Chloroplast, found in plant cells, is the site of photosynthesis in plants to prepare food (glucose) for the plant with the use of energy. It is a green ... a and b that absorb visible light energy and convert it to usable chemical energy in photosynthesis.
Description : Prove with experiment that chlorophyll is necessary for photosynthesis?
Last Answer : i) De-starch a leaf of potted plant by wrapping it in aluminum foil. ii) Remove the leaf from plant. iii) Its outline is carefully drawn to note the position of chlorophyll. iv) ... vii) If photosynthesis is possible without chlorophyll than white part should also turn blue.
Description : 6. __________ is a special constituent of chlorophyll without which photosynthesis is not possible. (A) Calcium (B) Nitrogen (C) Phosphorous (D) Hydrogen
Last Answer : Option B
Description : In a photosynthesis reaction, chlorophyll is: w) a reactant w) a product y) a catalyst z) an intermediate
Last Answer : ANSWER: Y -- A CATALYST
Description : In chlorophyll-containing plants, what are TWO products of green plant photosynthesis?
Last Answer : ANSWER: OXYGEN AND GLUCOSE (accept energy, also)
Last Answer : chloroplasts
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 : The balance of CO2 and O2 in atmosphere is due to _____. (1) Transportation (2) Photosynthesis (3) Respiration (4) Evaporation
Last Answer : (2) Photosynthesis Explanation: Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere.
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 : Electrons from excited chlorophyll molecule of photosystem II are accepted first by
Last Answer : Electrons from excited chlorophyll molecule of photosystem II are accepted first by A. Quinone B. Ferredoxin C. Cytochrome-b D. Cytochrome-f