Description : Which of the following is not a product of light reaction of photosynthesis? (a) ATP (b) NADH (c) NADPH (d) Oxygen
Last Answer : b) NADH
Description : Which of the following is not a product of light reaction of photosynthesis ? (1) ATP (2) NADH (3) NADPH (4) Oxygen
Last Answer : (2) NADH
Description : The oxygen evolved during photosynthesis comes from water molecules . Which one of the following pairs of elemnets is involved in this reaction ?
Last Answer : The oxygen evolved during photosynthesis comes from water molecules . Which one of the ... Manganese and Potassium D. Magnesium and Molybdenum
Description : The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction? (a) Magnesium and Molybdenum (b) Magnesium and Chlorine (c) Manganese and Chlorine (d) Manganese and Potassium
Last Answer : (c) Manganese and Chlorine
Description : Algae often float on surface of water during the day but sink down during the night due to (a) Evolution and trapping of oxygen bubbles during the day in their photosynthesis (b) Becoming light as they ... (c) Warming action of sun during the day (d) Release of absorbed air by warming of water
Last Answer : Ans:(a)
Description : In the first stage of photosynthesis, light energy splits water molecules leaving a by-product which is released. This byproduct is: a) hydrogen b) carbon dioxide c) oxygen d) methane
Last Answer : ANSWER: C -- oxygen
Description : Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium
Last Answer : (3) Ozone Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03). The layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.
Description : Ultra violet light of Sun’s radiation is prevented from reaching the earth’s atmosphere by the layer of (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium
Last Answer : Ozone
Description : Dark reaction of photosynthesis does not need light. Do plants undergo dark reaction at night? Explain. -Science
Last Answer : Dark reaction does not mean that it occurs in the absence of light i.e., at night. Infact, it is the reaction occuring simultaneously with light reaction. It a chemical process occurring independent of light. This reaction is completely based on enzymes.
Description : Explain how during light reaction of photosynthesis, ATP synthesis is a chemiosmotic phenomenon. -Biology
Last Answer : answer:
Description : Why is the Calvin cycle dependent on the light-dependent reaction of photosynthesis? -Biology
Description : Why is photosynthesis a light dependent reaction? -Biology
Description : What is the final electron acceptor in the light dependent reaction of photosynthesis? -Biology
Description : Which is true of the light reaction of photosynthesis?
Last Answer : chlorophyll fluorometers
Description : The products of light reaction of photosynthesis is
Last Answer : The products of light reaction of photosynthesis is A. Carbohydrate B. ATP C. NADP and `O_(2)` D. `NADPH_(2), ATP and O_(2)`
Description : The first step in the light reaction of photosynthesis is
Last Answer : The first step in the light reaction of photosynthesis is A. Formation of ATP B. Ionization of ... of electron of chlorophyll by a photon of light.
Description : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends on the products of light reaction (ATP and NADPH
Last Answer : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends ... and NADPH) conventinally called as (B)____
Description : Who demonstrate that photosynthesis is light dependent reaction in which hydrogen from a suitable oxidisable compound reduces carbon dioxide to carboh
Last Answer : Who demonstrate that photosynthesis is light dependent reaction in which hydrogen from a suitable ... comes from water nor from carbon dioxide.
Description : What product of the light reaction in photosynthesis are used in the Calvin cycle?
Last Answer : Both ATP and NADPH, generated in photosynthesis, are required in the Calvin cycle to synthesize carbohydrates and other substances from CO2.
Description : What does light reaction produce of photosynthesis?
Last Answer : The light reactions of photosynthesis produces three things, ATP (Adenosine Triphosphate), NADPH (Nicotinamide Adenine Dinucleotide Phosphate), and O2(Oxygen).
Description : The site for light reaction of photosynthesis is: (b) Grana (b) Stoma (c) ER (d) Cytoplasm
Last Answer : Ans. ((a))
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 : 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 : A seed can germinate in the absence of (1) adequate light (2) supply of oxygen (3) suitable moisture (4) suitable temperature
Last Answer : (1) adequate light Explanation: A seed can germinate in the absence of adequate light
Last Answer : adequate light
Description : How does the supply of nitrogen in grains take place? (a) From old leaves (b) From plant roots (c) From stem (d) By photosynthesis
Last Answer : (a) From old leaves
Description : What are the genetic factors that affect rate of photosynthesis? -Biology
Description : What are the various environmental factors that affect rate of photosynthesis? -Biology
Description : External factors that affect the rate of Photosynthesis. -Biology
Description : Internal factors that affect the rate of Photosynthesis. -Biology
Description : Name the external factors that affect the rate of photosynthesis
Last Answer : Name the external factors that affect the rate of photosynthesis
Description : Name the internal or plant factors that affect the rate of photosynthesis
Last Answer : Name the internal or plant factors that affect the rate of photosynthesis
Description : How does temp affect the rate of photosynthesis?
Last Answer : Need answer
Description : How do different pigments colors affect the rate of photosynthesis?
Last Answer : The wavelength of a color is directly related to the rate ofphotosynthesis, with longer wavelengths leading to higher rates ofphotosynthesis.
Description : What factor can affect the rate of photosynthesis by denaturing enzymes in the plant?
Last Answer : ??
Description : If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring ? Justify your answer. -Science
Last Answer : When photosynthesis occurs during the day, the carbon dioxide released by plants by respiration is all used up and not released. Similarly, some of the oxygen produced during photosynthesis is used up in ... and taking in oxygen even during the day, it means that no photosynthesis is taking place.
Description : Oxygen during photosynthesis comes from water was proved by `O^(18)` experiment
Last Answer : Oxygen during photosynthesis comes from water was proved by `O^(18)` experiment A. Ruben and Kamen B. Hill C. Warburg D. Blackman
Description : Oxygen liberated during photosynthesis comes from
Last Answer : Oxygen liberated during photosynthesis comes from A. Water B. `Co_(2)` C. Soil D. Atmosphere
Description : Which one of the following categories of organisms do not evolve oxygen during Photosynthesis
Last Answer : Which one of the following categories of organisms do not evolve oxygen during Photosynthesis A. Red ... plants with Kranz anatomy D. Blue green algae
Description : The source of oxygen evolved during photosynthesis is
Last Answer : The source of oxygen evolved during photosynthesis is A. `H_(2)S` B. `H_(2)O` C. `CO_(2)` D. `HCO_(3)`
Last Answer : Oxygen liberated during photosynthesis comes from A. `CO_(2)` B. `H_(2)O` C. Phosphoglyceric D. Chlorophyll
Last Answer : Which one of the following categories of organisms do not evolve oxygen during ... Photosynthetic green algae D. Photosynthetic bacteria
Description : Who demonstrated for the first time that in photosynthesis, oxygen is evolved from water
Last Answer : Who demonstrated for the first time that in photosynthesis, oxygen is evolved from water A. Spirogyra B. Volvox C. Chlamydomonas D. Chlorella
Description : which one of the following elements is required for photosynthesis oxygen evolution
Last Answer : which one of the following elements is required for photosynthesis oxygen evolution A. Copper B. Iron C. Manganese D. Zinc
Description : If a forest is producing enough oxygen for both the plant and animals in the forest to use is there more photosynthesis happening within plants?
Last Answer : What is the answer ?
Description : During photosynthesis a plant uses energy from the sun to break apart glucose water and carbon dioxide. These molecules are used to make sugar to feed the plant and the plant then releases a by-product oxygen that humans breathe. this example shows that?
Last Answer : energy is not created but transferred to different forms (apex gang ;)
Description : Oxygen required for photosynthesis comes from
Last Answer : Ans. Water
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 in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2