The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is

1 Answer

Answer :

The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is A. Quinone B. Cytochorme C. Iron-sulfur protein D. Ferredoxin

Related questions

Description : The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is

Last Answer : The first acceptor of electrons from an excited chlorophyll molecule of phtosystem II is A. Quinone B. Cytochorme C. Iron-sulfur protein D. Ferredoxin

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

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

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

Description : What molecule carries the high energy electrons excited by the sunlight into the Calvin Cycle.?

Last Answer : Feel Free to Answer

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

Last Answer : NDHP+

Description : Which one of the following statements is WRONG? (A) A singlet or triplet state may result when one of the electrons from the HOMO is excited to higher energy levels (B) In an ... the electron from the singlet excited state returns to ground state, the molecule always shows fluorescence phenomenon

Last Answer : (C) Triplet excited state is more stable than the singlet excited state

Description : Chlorophyll a molecule at its carbon atom 3 of the pyrrole ring II has one of the following (a) carboxylic group (b) magnesium (c) aldehyde group (d) methyl group

Last Answer : d) methyl group.

Description : When chlorophyll absorbs light, what does it gets excited and emits? -Do You Know?

Last Answer : answer:

Description : The acceptor arm in the tRNA molecule has (A) 5 Base pairs (B) 7 Base pairs (C) 10 Base pairs (D) 20 Base pairs

Last Answer : Answer : B

Description : Is chlorophyll molecule microscopic?

Last Answer : Need answer

Description : Which element is found in a molecule of chlorophyll?

Last Answer : Magnesium

Description : Magnesium is a constituent metal of – (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes

Last Answer : (1) Chlorophyll molecule Explanation: The basic structure of chlorophyll consists of a porphyrin ring, coordinated to a central atom. This is very similar in structure to the heme group found in ... was discovered in 1906 and was the first time that magnesium had been detected in living tissue.

Description : Which of the following is present In Chlorophyll molecule? (1) Win (2) Mg (3) Fe (4) K

Last Answer : (2) Mg Explanation: Chlorophyll is the green pigment found in most plants, responsible for light absorption to provide energy by photosynthesis. Magnesium is the sole metallic constituent of the chlorophyll.

Description : A molecule in plants comparable to haemoglobin in animals is – (1) Cytochrome (2) Cellulose (3) Chlorophyll (4) Carotene

Last Answer : (3) Chlorophyll Explanation: Hemoglobin is the, ironcontaining oxygen-transport met alloprotein in the red blood cells of all vertebrates. Similarly, Cytochromes are, in general, membrane-bound ... helm, groups and are primarily responsible for the generation of ATP via electron transport.

Description : Which of the following absorb light energy for photosynthesis? (a) Chlorophyll (b) Water molecule (c) O2 (d) RuBP

Last Answer : a) Chlorophyll

Description : The size of chlorophyll molecule is (a) head 15 × 15 Å, tail 25 Å (b) head 20 × 20 Å, tail 25 Å (c) head 15 × 15 Å, tail 20 Å (d) head 10 × 12 Å, tail 25 Å.

Last Answer : (c) head 15 × 15 Å, tail 20 Å

Description : Magnesium is a constituent metal of (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes

Last Answer :  Chlorophyll molecule

Description : A molecule in plants comparable to haemoglobin in animals is (1) Cytochrome (2) Cellulose (3) Chlorophyll (4) Carotene

Last Answer : Chlorophyll

Description : Which of the following is present in Chlorophyll molecule ? (1) Mn (2) Mg (3) Fe (4) K

Last Answer : Mg

Description : In solid-state optical detectors, the excited charge is transported in the solid by ∙ a. Holes and protons ∙ b. Holes and electrons ∙ c. Anion and cation ∙ d. Protons and photons

Last Answer : ∙ b. Holes and electrons

Description : Primary electron acceptor of PS-II is

Last Answer : Primary electron acceptor of PS-II is A. Pheophytin B. Ferredoxin C. PQ D. PC

Description : In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of `CO_(2)` is

Last Answer : In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of ... A. 5 B. 1 C. 2 D. 10

Description : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is

Last Answer : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is A. 4 B. 3 C. 2 D. zero

Description : In `S_(2)` molecule the two unpaired electrons are present in

Last Answer : In `S_(2)` molecule the two unpaired electrons are present in A. `pi` B. `pi^(**)` C. `sigma` D. `sigma^(**)`

Description : What is the atom in a molecule of water that is more visited by the shared electrons?

Last Answer : Oxygen has a low negative charge.

Description : When The number of bonding pairs in a molecule is equal to the number of electrons?

Last Answer : Feel Free to Answer

Description : In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Last Answer : What is the answer ?

Description : In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?

Last Answer : What is the answer ?

Description : What molecule stores the high energy electrons removed from glucose in glycolysis?

Last Answer : Need answer

Description : What molecule are the main electrons carriers of Krebs cycle?

Last Answer : NADH and FADH2

Description : A molecule whose electrons are distributed unsymmetrical is said to be (a) Ionised (b) Non-ionised (c) Polar (d) Non-polar

Last Answer : Ans:(c)

Description : Use the information and data given below to answer the questions Stronger intermolecular forces result in higher boiling point Strength of London forces increases with the number of electrons in the molecule ... here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Last Answer : Ans :( a) In the molecules HCl, HBr and HI, dipole-dipole interaction and London forces are present. (b) Dipole moment of HCl > HBr > HI but boiling point of HCl < HBr

Description : Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer cannot take place (A) Between two bodies in physical contact ... of a body to the another part of the same body (D) Both 'b' & 'c'

Last Answer : (B) Between two bodies not in physical contact with each other

Description : Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.

Last Answer : It is a planar molecule.

Description : Where are the two lone pairs of electrons of the oxygen atom in an alcohol molecule located? (a) in two p orbitals (b) in two sp orbitals (c) in two sp2 orbitals (d) in two sp3 orbitals

Last Answer : in two sp3 orbitals

Description : Explain why the water molecule has a bent shape and a bond angle less than 109.5° The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together

Last Answer : The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together

Description : Resonance structures of a molecule have (a) same arrangement of atoms (b) different arrangement of atoms (c) same number of paired electrons (d) different number of paired electrons

Last Answer : same arrangement of atoms same number of paired electrons

Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Last Answer : ANSWER: X -- FREE RADICALS

Description : The autotrophic mode of nutrition requires (i) carbon dioxide and water (ii) chlorophyll (iii) sunlight (iv) all of the above -Biology

Last Answer : Autotrophic nutrition is the mode of nutrition in which green plants prepare their own food by the process of photosynthesis. It requires carbon dioxide, water, sunlight and chlorophyll. Hence, option (iv) is correct.

Description : In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called (A)____ while in PS II it has absorption maxima at 680 nm

Last Answer : In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called (A) ... absorption maxima at 680 nm and is called (B)____

Description : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)"Thylakoids"),("Cristae",(iii)"N

Last Answer : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)" ... ","(iii)","(i)","(ii)"):}`

Description : Match the following concerning essential elements and their functions in plants. Column-I Column-II (A) Iron (i) Photolysis of water (B) Zinc (ii) Pollen germination (C) Boron (iii) Required for chlorophyll biosynthesis (D) Manganese (iv) IAA biosynthesis

Last Answer : (c) (iii) (iv) (ii) (i)

Description : Match the following and select the correct answer. (A) Centriole (i) lnfoldings in mitochondria (B) Chlorophyll (ii) Thylakoids (C) Cristae (iii)Nucleic acids (D) Ribozymes (iv) Basal body of cilia or flagella A B C D (a) (iv) (ii) ... ii) (iv) (iii) (c) (i) (iii) (ii) (iv) (d) (iv) (iii) (i) (ii)

Last Answer : (a) (iv) (ii) (i) (iii)

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

Description : The first acceptor of `CO_(2)` in `C_(4)` plant is

Last Answer : The first acceptor of `CO_(2)` in `C_(4)` plant is A. RuBp B. PEP C. OAA D. water

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

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 : Which is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase

Last Answer : (d) PEP- carboxylase

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