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

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

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.

Blood is red in colour due to the presence of - (1) Cytochrome (2) Chlorophyll (3) Hemocyanin (4) Haemoglobin

Description : Blood is red in colour due to the presence of - (1) Cytochrome (2) Chlorophyll (3) Hemocyanin (4) Haemoglobin

Last Answer : (4) Haemoglobin Explanation: The red color of blood comes from the hemoglobin that makes up the majority of the mass of the cell, which allows the blood cell to carry oxygen around the body. The ... hemoglobin makes up so much of the blood cell that its red color overpowers the color of the plasma.

Mg is a component of (a) chlorophyll (b) cytochrome (c) haemoglobin (d) haemocyanin.

Description : Mg is a component of (a) chlorophyll (b) cytochrome (c) haemoglobin (d) haemocyanin.

Last Answer : (a) chlorophyll

Blood is red in colour due to the presence of __________ . (1) Cytochrome (2) Chlorophyll (3) Hemocyanin (4) Haemoglobin

Description : Blood is red in colour due to the presence of __________ . (1) Cytochrome (2) Chlorophyll (3) Hemocyanin (4) Haemoglobin

Last Answer : Haemoglobin

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

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

A molecule in plants comparable to hemoglobin in animals is

Description : A molecule in plants comparable to hemoglobin in animals is

Last Answer : Chlorophyll

A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.

Description : A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.

Last Answer : (c) phytochrome

Which of the following pigments acts as a reaction- centre during photosynthesis? (a) Carotene (b) Phytochrome (c) P700 (d) Cytochrome

Description : Which of the following pigments acts as a reaction- centre during photosynthesis? (a) Carotene (b) Phytochrome (c) P700 (d) Cytochrome

Last Answer : (c) P700

During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by (a) carotene (b) cytochrome (c) leghaemoglobin (d) xanthophyll

Description : During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by (a) carotene (b) cytochrome (c) leghaemoglobin (d) xanthophyll

Last Answer : (c) leghaemoglobin

Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's temperature (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect

Description : Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's ... (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect

Last Answer : (B) Causes asphyxia

The colour of the carrots is due to the presence of – (1) Carotene (2) Chlorophyll (3) Phycocyanin (4) Phycoerythirn

Description : The colour of the carrots is due to the presence of – (1) Carotene (2) Chlorophyll (3) Phycocyanin (4) Phycoerythirn

Last Answer : (1) Carotene Explanation: Carotenes are photosynthetic pigments that are responsible for the orange colour of the carrot, for which this class of chemicals is named. Some carrots are yellow due to ... are also responsible for the orange (but not all of the yellow) colours in dry foliage.

The colour of the carrots is due to the presence of (1) Carotene (2) Chlorophyll (3) Phycocyanin (4) Phycoerythirn

Description : The colour of the carrots is due to the presence of (1) Carotene (2) Chlorophyll (3) Phycocyanin (4) Phycoerythirn

Last Answer : Carotene

Which one of the following is the respiratory pigment in man? (1) Haernocyanin (2) Haemoerythrin (3) b-Carotene (4) Haemoglobin

Description : Which one of the following is the respiratory pigment in man? (1) Haernocyanin (2) Haemoerythrin (3) b-Carotene (4) Haemoglobin

Last Answer : (4) Haemoglobin Explanation: A respiratory pigment is a molecule, such as hemoglobin in humans, which increases the oxygencarrying capacity of the blood. The four most common invertebrate respiratory pigments are hemoglobin, haemocyanin, haemerythrin and chlorocruorin.

Which one of the following is the respiratory pigment in man ? (1) Haemocyanin (2) Haemoerythrin (3) b-Carotene (4) Haemoglobin

Description : Which one of the following is the respiratory pigment in man ? (1) Haemocyanin (2) Haemoerythrin (3) b-Carotene (4) Haemoglobin

Last Answer : Haemoglobin

Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll

Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll

Last Answer : (b) Phytochrome

The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate

Description : The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate

Last Answer : b. Bacteriochlorophyll

Carbon monoxide kills because it destroys a) Haemoglobin b) Phytochrome c) Cytochrome d) Both a and b.

Description : Carbon monoxide kills because it destroys a) Haemoglobin b) Phytochrome c) Cytochrome d) Both a and b.

Last Answer : a) Haemoglobin

Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Description : Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Last Answer : Answer : B

The molecule of vitamin A1 contains (A) Benzene ring (B) β-Ionone ring (C) β-Carotene ring (D) None of these

Description : The molecule of vitamin A1 contains (A) Benzene ring (B) β-Ionone ring (C) β-Carotene ring (D) None of these

Last Answer : Answer : B

The colour change in the Chameleon is due to the presence of - (1) Haemoglobin (2) Chromatophore (3) Chlorophyll (4) Pneumatophore

Description : The colour change in the Chameleon is due to the presence of - (1) Haemoglobin (2) Chromatophore (3) Chlorophyll (4) Pneumatophore

Last Answer : (2) Chromatophore Explanation: Chameleons have specialized cells, chromatophores, which contain pigments in their cytoplasm, in three layers below their transparent outer skin. Dispersion of the pigment granules ... is located only in the centre of the cell, the cell appears mainly transparent.

Magnesium is present in (A) Haemoglobin (B) Chlorophyll (C) Hypo solution (D) None of these

Description : Magnesium is present in (A) Haemoglobin (B) Chlorophyll (C) Hypo solution (D) None of these

Last Answer : (B) Chlorophyll

Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Description : Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Last Answer : a) Reduction in ozone

The colour change in the Chameleon is due to the presence of (1) Haemoglobin (2) Chromatophore (3) Chlorophyll (4) Pneumatophore

Description : The colour change in the Chameleon is due to the presence of (1) Haemoglobin (2) Chromatophore (3) Chlorophyll (4) Pneumatophore

Last Answer : Chromatophore

Plants have ____________ while animals lack it. (a) Starch (b) Cellulose (c) Protein (d) Fat

Description : Plants have ____________ while animals lack it. (a) Starch (b) Cellulose (c) Protein (d) Fat

Last Answer : Ans:(b)

What would/will the world be like when other animals reach levels of intelligence comparable to ours?

Description : What would/will the world be like when other animals reach levels of intelligence comparable to ours?

Last Answer : How do you know they haven’t and are just too smart to tell us?

The most abundant organic molecule on the surface of the Earth is: w) cellulose x) chitin y) DNA z) hemoglobin

Description : The most abundant organic molecule on the surface of the Earth is: w) cellulose x) chitin y) DNA z) hemoglobin  

Last Answer : ANSWER: W -- CELLULOSE

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

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

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

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

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

Is chlorophyll molecule microscopic?

Description : Is chlorophyll molecule microscopic?

Last Answer : Need answer

Which element is found in a molecule of chlorophyll?

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

Last Answer : Magnesium

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

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.

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

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.

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

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

Last Answer : a) Chlorophyll

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.

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

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

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.

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

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

Last Answer :  Chlorophyll molecule

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

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

Last Answer : Mg

The number of polypeptide chains present in a molecule of haemoglobin is/are

Description : The number of polypeptide chains present in a molecule of haemoglobin is/are

Last Answer : The number of polypeptide chains present in a molecule of haemoglobin is/are A. 1 B. 3 C. 4 D. 2

Each haemoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Description : Each haemoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Last Answer : Answer : C

Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a single base mutation on the beta-chain 3) genes for the alpha and beta chains are located on the same chromosome 4) in thalassaemia persistance of HbF is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Description : Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a ... is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Last Answer : Answers-2 Alpha Thalassaemia is due to abnormalities of the alpha chain. Persistence of HbF has survival advnatages in severely affected subjects. C-alpha 16, beta 11. e-Hb electrophoresis(Dr Shu Ho)

The effect of light on flowering plants is mediated through a photoreceptor compound. Which of the following is such a compound? (a) Cytochrome (b) Cryptochrome (c) Phytochrome (d) Phycoerythrin

Description : The effect of light on flowering plants is mediated through a photoreceptor compound. Which of the following is such a compound? (a) Cytochrome (b) Cryptochrome (c) Phytochrome (d) Phycoerythrin

Last Answer : Ans:(c)

______ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Description : ______ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Last Answer : (2) Glycogen Explanation: Glycogen is a multi branched polysaccharide of glucose that serves as a form of energy storage in humans, animals, and fungi. The polysaccharide structure represents the ... Glycogen is the analogue of starch, a glucose polymer that functions as energy storage in plants.

______ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Description : ______ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Last Answer : (2) Glycogen Explanation: Glycogen is a multi branched polysaccharide of glucose that serves as a form of emery storage in humans animals, and fungi.

Some animals eat their own faeces to digest cellulose again. This is known as (a) Reingestion (b) Coprophagy (c) Both (d) None

Description : Some animals eat their own faeces to digest cellulose again. This is known as (a) Reingestion (b) Coprophagy (c) Both (d) None

Last Answer : (c) Both

____ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Description : ____ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. (1) Cellulose (2) Glycogen (3) Pectin (4) Chitin

Last Answer : Glycogen

Why is chlorophyll not in animals?

Description : Why is chlorophyll not in animals?

Last Answer : Chlorophyll is used by plants to capture light energy duringphotosynthesis, plants use photosynthesis to make their food.Animals do not make their own food they get their food ready madeso the don't to do photosynthesis or have chlorophyll

Which one of the following is the most abundant protein in the animals? (a) Haemoglobin (b) Collagen (c) Lectin (d) Insulin

Description : Which one of the following is the most abundant protein in the animals? (a) Haemoglobin (b) Collagen (c) Lectin (d) Insulin

Last Answer : (b) Collagen

Which is a pro vitamin or vitamin that has antioxidant properties? (A) Beta carotene (B) Vitamin E (C) Vitamin C (D) Vitamin D

Description : Which is a pro vitamin or vitamin that has antioxidant properties? (A) Beta carotene (B) Vitamin E (C) Vitamin C (D) Vitamin D

Last Answer : Answer : B