NADH is produced in:. (a) Photosystem-II (b) Photosystem-I (c) Glycolysis (d) Both (a) and (b)

NADH is produced in:. (a) Photosystem-II (b) Photosystem-I (c) Glycolysis (d) Both (a) and (b)
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Ans. ((c))
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Which of the following pairs are correctly matched? (1) 700 nm—Photosystem-I (2) 650 nm—Photosystem-II (3) 690 nm—Photosystem-II (4) 620 nm—Phycocyanin

Description : Which of the following pairs are correctly matched? (1) 700 nm—Photosystem-I (2) 650 nm—Photosystem-II (3) 690 nm—Photosystem-II (4) 620 nm—Phycocyanin

Last Answer : Ans. ((c))

NADPH2 is generated through (a) photosystem II (b) anaerobic respiration (c) glycolysis (d) photosystem I.

Description : NADPH2 is generated through (a) photosystem II (b) anaerobic respiration (c) glycolysis (d) photosystem I.

Last Answer : (d) photosystem

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Description : What happens to NADH produced during glycolysis and kreb cycle?

Last Answer : It is used to transport hydrogen to the electron transportchain.

Which one of the following is NOT produced during glycolysis? a. ATP b. NADH c. Pyruvate d. Glucose

Description : Which one of the following is NOT produced during glycolysis? a. ATP b. NADH c. Pyruvate d. Glucose

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Which one of the following is NOT produced during glycolysis? a. ATP b. NADH c. Pyruvate d. Glucose

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As the end product of glycolysis, pyruvate and NADH are formed. During aerobic conditions, this NADH is reconverted to NAD+ by what mechanism?

Description : As the end product of glycolysis, pyruvate and NADH are formed. During aerobic conditions, this NADH is reconverted to NAD+ by what mechanism?

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As the end product of glycolysis, pyruvate and NADH are formed. During anaerobiasis, this NADH is reconverted to NAD+ by what mechanism?

Description : As the end product of glycolysis, pyruvate and NADH are formed. During anaerobiasis, this NADH is reconverted to NAD+ by what mechanism?

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NADH is oxidised to NAD in which reaction of glycolysis?

Description : NADH is oxidised to NAD in which reaction of glycolysis?

Last Answer : Lactate dehydrogenase reaction.

NAD is reduced to NADH in which reaction of glycolysis?

Description : NAD is reduced to NADH in which reaction of glycolysis?

Last Answer : Glyceraldehyde-3-phosphate dehydrogenase reaction.

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Description : Which of the following is the key intermediate compound linking glycolysis to the Krebs’ cycle? (a) Malic acid (b) Acetyl CoA (c) NADH (d) ATP

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Description : Explain photosystem I and photosystem II in green plants. -Biology

Last Answer : answer:

Electrons from excited chlorophyll molecule of photosystem II are accepted first by

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

Photosystem I and Photosystem II are found in

Description : Photosystem I and Photosystem II are found in

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Photosystem II occurs in

Description : Photosystem II occurs in

Last Answer : Photosystem II occurs in A. Stroma B. Cytochrome C. Grana D. Mitochondrial surface

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Description : After electrons leave photosystem II, they move through a chain of three protein complexes. Where do they go after that electron transport chain?

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Description : Photosystem II occurs in (a) stroma (b) cytochrome (c) grana (d) mitochondrial surface.

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Description : The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is (a) iron-sulphur protein(b) ferredoxin (c) quinone (d) cytochrome.

Last Answer : (c) quinone

Electrons from excited chlorophyll molecule of photosystem II are accepted first by (a) quinone (b) ferredoxin (c) cytochrome-b (d) cytochrome-f.

Description : Electrons from excited chlorophyll molecule of photosystem II are accepted first by (a) quinone (b) ferredoxin (c) cytochrome-b (d) cytochrome-f.

Last Answer : (a) quinone

Which one of the following is correct sequence for the flow of electrons in the energy-fixing reactions of photosynthesis? a. Water—photosystem 1—photosystem II—NADPH b. Photosystem I—NADPH—water—photosystem II c. Water------ photosystem II------ photosystem I—NADPH d. NADPH—photosystem Il—photosystem I—water

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Description : Which of the following hormones is produced in leaves ?

Last Answer : Florigen is the hormone produced in the leaves.

Where is the hormone called florigen produced ?

Description : Where is the hormone called florigen produced ?

Last Answer : A hormone called florigen is produced in the leaves.

How much ATP is produced when one molecule of glucose is completely oxidized in Sabat respiration ?

Description : How much ATP is produced when one molecule of glucose is completely oxidized in Sabat respiration ?

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Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Last Answer : Ans. ((a))

With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

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Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in (a) respiratory chain (b) Krebs’ cycle (c) oxidative decarboxylation (d) EMP.

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During glycolysis, energy is produced during which steps?

Description : During glycolysis, energy is produced during which steps? 

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Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside mitochondria (c) 2 during glycolysis and 34 during Krebs’ cycle (d) all are formed inside mitochondria

Description : Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside ... (c) 2 during glycolysis and 34 during Krebs' cycle (d) all are formed inside mitochondria

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Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle

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What is a photosystem? -Biology

Description : What is a photosystem? -Biology

Last Answer : answer:

What is a photosystem ?

Description : What is a photosystem ?

Last Answer : Chlorophyll molecules and their associated electron receptors work together as a unit. The name of this unit is photosystem. The photosystem is located on the thylakoid screen of the chloroplast and can contain up to four hundred ... i) Photosystem-1 ( PS - I) and ( ii) Photosystem-2 ( PS - II) .

In photosystem-I the first electron acceptor is

Description : In photosystem-I the first electron acceptor is

Last Answer : In photosystem-I the first electron acceptor is A. Plastocyanin B. An iron-sulfur protein C. Ferrodoxin D. Cytochorme

The first electron acceptor in photosystem-I of cyclic photophosphorylation is

Description : The first electron acceptor in photosystem-I of cyclic photophosphorylation is

Last Answer : The first electron acceptor in photosystem-I of cyclic photophosphorylation is A. Cytochrome B. Plastocyanin C. Ferrodoxin D. Plastoquinone

Photosystem concerned with the reduction of NADP is

Description : Photosystem concerned with the reduction of NADP is

Last Answer : Photosystem concerned with the reduction of NADP is A. PS-I B. PS-II C. Both (1) amd (2) D. Quantasome

What is a role of photosystem 2 in light reactions?

Description : What is a role of photosystem 2 in light reactions?

Last Answer : Feel Free to Answer

Which substance in chloroplast is a green pigment that absorbs energy for photosystem?

Description : Which substance in chloroplast is a green pigment that absorbs energy for photosystem?

Last Answer : Chlorophyll

Electrons are excited in photosystem I. With what do these electrons combine to produce an energy-carrying molecule?

Description : Electrons are excited in photosystem I. With what do these electrons combine to produce an energy-carrying molecule?

Last Answer : NDHP+

In photosystem I, the first electron acceptor is (a) an iron-sulphur protein (b) ferredoxin (c) cytochrome (d) plastocyanin.

Description : In photosystem I, the first electron acceptor is (a) an iron-sulphur protein (b) ferredoxin (c) cytochrome (d) plastocyanin.

Last Answer : (a) an iron-sulphur protein

Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped

Description : Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped

Last Answer : Ans. ((b))