which one of the following elements is required for photosynthesis oxygen evolution

which one of the following elements is required for photosynthesis oxygen evolution
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which one of the following elements is required for photosynthesis oxygen evolution A. Copper B. Iron C. Manganese D. Zinc
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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 consume most of their food in the night (c) Warming action of sun during the day (d) Release of absorbed air by warming of water

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)

Oxygen which is vital for life is a product of photosynthesis and comes from – (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Description : Oxygen which is vital for life is a product of photosynthesis and comes from – (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Last Answer : (3) water Explanation: The unusually high concentration of oxygen has on Earth is the result of the oxygen cycle. This biogeochemical cycle describes the movement of oxygen within and ... Photosynthesis releases oxygen into the atmosphere, while respiration and decay remove it from the atmosphere.

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

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

Oxygen which is vital for life is a product of photosynthesis and comes from (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Description : Oxygen which is vital for life is a product of photosynthesis and comes from (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Last Answer : water

Oxygen required for photosynthesis comes from

Description : Oxygen required for photosynthesis comes from

Last Answer : Ans. Water

Which of the following describes the belief that living things can appear from nonliving matter? Is it: a) evolution b) spontaneous generation c) photosynthesis d) chemosynthesis

Description : Which of the following describes the belief that living things can appear from nonliving matter? Is it: a) evolution b) spontaneous generation c) photosynthesis d) chemosynthesis

Last Answer : ANSWER: B -- SPONTANEOUS GENERATION

For the formation of cell-components the elements required are a. Nitrogen b. Oxygen c. Sulphur d. All of these

Description : For the formation of cell-components the elements required are a. Nitrogen b. Oxygen c. Sulphur d. All of these

Last Answer : Ans: D

Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y (a). X- Sulphuric acid and Y- Oxygen gas (b). X- Hydrochloric acid and Y- Oxygen gas (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas

What would happen if one of the photosynthesis elements was not present?

Description : What would happen if one of the photosynthesis elements was not present?

Last Answer : Need answer

which structures were required for the evolution of the ferns and gymnosperms? -General Knowledge

Description : which structures were required for the evolution of the ferns and gymnosperms? -General Knowledge

Last Answer : Megaphylls and vascular tissue were required for the evolution of the ferns and gymnosperms.

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

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.

How does the light reaction of photosynthesis affect Earth’s supply of oxygen?

Description : How does the light reaction of photosynthesis affect Earth’s supply of oxygen?

Last Answer : by using chlorophyll fluorometers

The oxygen evolved during photosynthesis comes from water molecules . Which one of the following pairs of elemnets is involved in this reaction ?

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

Oxygen during photosynthesis comes from water was proved by `O^(18)` experiment

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

Oxygen liberated during photosynthesis comes from

Description : Oxygen liberated during photosynthesis comes from

Last Answer : Oxygen liberated during photosynthesis comes from A. Water B. `Co_(2)` C. Soil D. Atmosphere

Which one of the following categories of organisms do not evolve oxygen during Photosynthesis

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

The source of oxygen evolved during photosynthesis is

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)`

Oxygen liberated during photosynthesis comes from

Description : Oxygen liberated during photosynthesis comes from

Last Answer : Oxygen liberated during photosynthesis comes from A. `CO_(2)` B. `H_(2)O` C. Phosphoglyceric D. Chlorophyll

Which one of the following categories of organisms do not evolve oxygen during Photosynthesis

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 ... Photosynthetic green algae D. Photosynthetic bacteria

Who demonstrated for the first time that in photosynthesis, oxygen is evolved from water

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

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?

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 ?

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?

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 ;)

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

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.

The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

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

To carry out photosynthesis plants require – (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

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.

The gas released during photosynthesis : (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Sulphur dioxide

Description : The gas released during photosynthesis : (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Sulphur dioxide

Last Answer : (2) Oxygen Explanation: In plants, algae, and cyanobacteria, photosynthesis uses carbon dioxide and water, releasing oxygen as a waste product. Photosynthesis is vital for all aerobic life on Earth. In ... this process is: Carbon dioxide + Water + Light energy --> Carbohydrate + Oxygen + Water

During photosynthesis in plants, the gas evolved is - (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen

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.

During photosynthesis the liberated gas is (1) Carbon dioxide (2) oxygen (3) Nitrogen (4) Hydrogen

Description : During photosynthesis the liberated gas is (1) Carbon dioxide (2) oxygen (3) Nitrogen (4) Hydrogen

Last Answer : (2) 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 ... water, releasing oxygen as a waste product.' Photosynthesis is vital for all aerobic life on Earth.

Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Description : Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Last Answer : (2) Water Explanation: Oxygen liberated during photosynthesis is coming m6t.o create a stable, unstirred layer to support surface neutralization of acid and act as a protective physical barrier against luminal pepsin.

The source of oxygen generated during photosynthesis is: (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells

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.

Which of the following gases do plants and trees give out during photosynthesis? A. Hydrogen B. Nitrogen C. Oxygen (Answer) D. Carbon dioxide

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)

How can you prove that oxygen is released during photosynthesis?

Description : How can you prove that oxygen is released during photosynthesis? 

Last Answer : Experiment: - i) Place a funnel over the shoot of hydra(water plant) in a beaker of water. ii) Invert a test tube filled with water over funnel. iii) Place funnel such that water can ... show that tube is rich with oxygen. viii) So it is proved that oxygen is released during photosynthesis. 

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. Photorespiration is likely to occur when oxygen level is high and CO2 level is d. During photorespiration plants use oxygen to break down carbohydrates and release e. All of these

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

Which of the following is not a product of light reaction of photosynthesis? (a) ATP (b) NADH (c) NADPH (d) Oxygen

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

Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Description : Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Last Answer : (a) Green sulphur bacteria

Which of the following does not produce oxygen as a product of photosynthesis? A.Oak trees B.Purple sulfur bacteria C.CyanobacteriaD.Phytoplankton

Description : Which of the following does not produce oxygen as a product of photosynthesis? A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton

Last Answer : B.Purple sulfur bacteria

Which of the following does not produce oxygen as a product of photosynthesis? A- A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton

Description : Which of the following does not produce oxygen as a product of photosynthesis? A- A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton

Last Answer : Purple sulfur bacteria

The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Last Answer : c. Aerobic Respiration.

Oxygen is not produced during photosynthesis by (1) Green sulphur bacteria (2) Nostoc (3) Cycas (4) Chara

Description : Oxygen is not produced during photosynthesis by (1) Green sulphur bacteria (2) Nostoc (3) Cycas (4) Chara

Last Answer : (1) Green sulphur bacteria

Which of the following is not a product of light reaction of photosynthesis ? (1) ATP (2) NADH (3) NADPH (4) Oxygen

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

Respiration that does NOT require oxygen is called: a) photosynthesis b) oxidation c) anaerobic respiration d) aerobic respiration

Description : Respiration that does NOT require oxygen is called: a) photosynthesis b) oxidation c) anaerobic respiration d) aerobic respiration

Last Answer : ANSWER: C -- ANAEROBIC RESPIRATION

Molecular oxygen formed during plant photosynthesis is derived exclusively from: a) CO2 b) Water c) carbohydrates d) none of the above

Description : Molecular oxygen formed during plant photosynthesis is derived exclusively from: a) CO2 b) Water c) carbohydrates d) none of the above

Last Answer : ANSWER: B -- WATER

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

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 

The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Description : The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Last Answer : Photosynthesis

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

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

The oxygen liberated during photosynthesis comes from (1) Water (2) Carbon dioxide (3) Glucose (4) Chlorophyll

Description : The oxygen liberated during photosynthesis comes from (1) Water (2) Carbon dioxide (3) Glucose (4) Chlorophyll

Last Answer : Water

To carry out photosynthesis plants require (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Description : To carry out photosynthesis plants require (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Last Answer : Carbon-dioxide

The gas released during photosynthesis : (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Sulphur dioxide

Description : The gas released during photosynthesis : (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Sulphur dioxide

Last Answer : Oxygen

During photosynthesis green plants absorb (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) oxygen

Description : During photosynthesis green plants absorb (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) oxygen

Last Answer : carbon dioxide

During photosynthesis in plants, the gas evolved is (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen

Description : During photosynthesis in plants, the gas evolved is (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen

Last Answer : Oxygen