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

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

Answer :

Haemoglobin
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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.

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.

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

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.

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

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 : Chlorophyll

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

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

Green colour of plants is due to the presence of (a) Chlorophyll (b) Sugar (c) Mitochondria (d) Xylem

Description : Green colour of plants is due to the presence of (a) Chlorophyll (b) Sugar (c) Mitochondria (d) Xylem

Last Answer : Ans:(a)

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 green colour of the leaves is due to the presence of - (1) Proteins (2) Lipids (3) Chlorophyll (4) Carbohydrates

Description : The green colour of the leaves is due to the presence of - (1) Proteins (2) Lipids (3) Chlorophyll (4) Carbohydrates

Last Answer : (3) Chlorophyll Explanation: The green color in leaves is caused by the presence of a compound called "chlorophyll," which the plant produces to do photosynthesis, which is how plants get energy from ... and so green is not absorbed and is reflected, making the plant look green to our eyes.

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

The green colour of the leaves is due to the presence of (1) Proteins (2) Lipids (3) Chlorophyll (4) Carbohydrates

Description : The green colour of the leaves is due to the presence of (1) Proteins (2) Lipids (3) Chlorophyll (4) Carbohydrates

Last Answer : Chlorophyll

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

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

Blood does not coagulate inside the body due to the presence of (a) haemoglobin (b) heparin (c) fibrin (d) plasma

Description : Blood does not coagulate inside the body due to the presence of (a) haemoglobin (b) heparin (c) fibrin (d) plasma

Last Answer : Ans:(b)

Blood does not coagulate inside the body due to the presence of – (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

Description : Blood does not coagulate inside the body due to the presence of – (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

Last Answer : (3) Heparin Explanation: Heparin is a naturally-occurring anticoagulant produced by basophils and mast cells. Heparin acts as an anticoagulant, preventing the formation of clots and extension of existing clots ... is present in the walls of blood vessels where it doesn't allow blood to clot.

Blood does not coagulate inside the body due to the presence of (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

Description : Blood does not coagulate inside the body due to the presence of (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

Last Answer : Heparin

Hemocyanin is a respiratory pigment found in

Description : Hemocyanin is a respiratory pigment found in

Last Answer : Hemocyanin is a respiratory pigment found in A. Echinoderm B. Annelids C. Insects D. Architeuthis

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 Red soils develop a reddish colour due to: (a) deforestation and over-grazing (b) the presence of potash and magnesia (c) tropical monsoonal climate (d) a wide diffusion of iron in ancient crystalline and metamorphic Jacks

Description : The Red soils develop a reddish colour due to: (a) deforestation and over-grazing (b) the presence of potash and magnesia (c) tropical monsoonal climate (d) a wide diffusion of iron in ancient crystalline and metamorphic Jacks

Last Answer : Ans: (d)

Blood fails to clot white flowing in the blood vessel because of the presence of (1) Heparin (2) Prothrombin (3) Haemoglobin (4) Hirudin

Description : Blood fails to clot white flowing in the blood vessel because of the presence of (1) Heparin (2) Prothrombin (3) Haemoglobin (4) Hirudin

Last Answer : Heparin

The colour of chlorophyll b

Description : The colour of chlorophyll b

Last Answer : Ans. Yellow green

The colour of chlorophyll a

Description : The colour of chlorophyll a

Last Answer : Ans. Blue green

The colour of human skin is produced by (1) Haemoglobin(2) Insulin (3) Adrenaline (4) Melanin

Description : The colour of human skin is produced by (1) Haemoglobin(2) Insulin (3) Adrenaline (4) Melanin 

Last Answer : Melanin

Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Description : Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Last Answer : Ans:(a)

Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the expense of HCO3-ions (b) H+ ions are rapidly removed and excreted in the urine (c) H+ ions are buffered by proteins of haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma

Description : Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the ... haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma

Last Answer : Ans:(c)

Haemoglobin is an important constituent of – (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Description : Haemoglobin is an important constituent of – (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Last Answer : (1) Red blood cells Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates. Hemoglobin in the blood carries oxygen from the respiratory ... carbon dioxide to bring it back to the respiratory organs to be dispensed from the organism.

Blood of Pheretima is (a) blue with haemocyanin in corpuscles (b) blue with haemocyanin in plasma (c) red with haemoglobin in corpuscles (d) red with haemoglobin in plasma.

Description : Blood of Pheretima is (a) blue with haemocyanin in corpuscles (b) blue with haemocyanin in plasma (c) red with haemoglobin in corpuscles (d) red with haemoglobin in plasma.

Last Answer : (d) red with haemoglobin in plasma

Haemoglobin is an important constituent of (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Description : Haemoglobin is an important constituent of (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Last Answer :  Red blood cells

Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

Description : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

Last Answer : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less ... . D. If both Assertion & Reason are false.

he synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called (A) A ferment or an enzyme (B) Haemoglobin (C) Fungi (D) None of these

Description : he synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called (A) A ferment or an enzyme (B) Haemoglobin (C) Fungi (D) None of these

Last Answer : (C) Fungi

The oxidation-reduction system having the highest redox potential is (A) Ubiquinone ox/red (B) Fe3+ cytochrome a/Fe2+ (C) Fe3+ cytochrome b/Fe2+ (D) NAD+/NADH

Description : The oxidation-reduction system having the highest redox potential is (A) Ubiquinone ox/red (B) Fe3+ cytochrome a/Fe2+ (C) Fe3+ cytochrome b/Fe2+ (D) NAD+/NADH

Last Answer : Answer : B

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

The red colour of human blood is due to (1) myoglobin (2) hemoglobin (3) immunoglobulin (4) haptoglobin

Description : The red colour of human blood is due to (1) myoglobin (2) hemoglobin (3) immunoglobulin (4) haptoglobin

Last Answer : (2) hemoglobin Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates which carries oxygen from the respiratory organs to the rest of the body. It ... oxygen than had in the vein the blood' came from. Therefore, the blood turns red.

The red colour of human blood is due to (1) myoglobin (2) hemoglobin (3) immunoglobulin (4) haptoglobin

Description : The red colour of human blood is due to (1) myoglobin (2) hemoglobin (3) immunoglobulin (4) haptoglobin

Last Answer : hemoglobin

The colour of cow's milk is slightly yellow due to the presence of – (1) xanthophyll (2) riboflavin (3) ribulose (4) carotin

Description : The colour of cow's milk is slightly yellow due to the presence of – (1) xanthophyll (2) riboflavin (3) ribulose (4) carotin

Last Answer : (4) carotin Explanation: Carotene mostly affects the colour of fat. Since milk is comprised of around 3.5% milk fat, a dairy cow that is grass-fed tends to produce yellow milk, over a dairy cow that is not grass-fed and fed primarily a mix of hay, silage and grain.

The yellow colour of urine is due to presence of – (1) Bile (2) Lymph (3) Cholesterol (4) Urochrorne

Description : The yellow colour of urine is due to presence of – (1) Bile (2) Lymph (3) Cholesterol (4) Urochrorne

Last Answer : (4) Urochrorne Explanation: The color of normal urine is usually light yellow to amber. Generally, the greater the solute volume the deeper the color. The yellow color of urine is due to the ... normal color can be caused by certain drugs and various vegetables such as carrots, beets, and rhubarb.

The brownish colour of Brown Algae is due to presence of ...... pigment?

Description : The brownish colour of Brown Algae is  due to presence of ...... pigment?

Last Answer : Xanthophyll

The yellow colour in photochemical smog is due to the presence of------? A. Sulphur dioxide B. Carbon dioxide C. Nitrogen dioxide (Answer) D. CFC’s

Description : The yellow colour in photochemical smog is due to the presence of------? A. Sulphur dioxide B. Carbon dioxide C. Nitrogen dioxide (Answer) D. CFC’s

Last Answer : C. Nitrogen dioxide (Answer)

White colour of soil is due to the presence of – a) Silica b) Iron c) Manganese oxide d) All of these

Description : White colour of soil is due to the presence of – a) Silica b) Iron c) Manganese oxide d) All of these

Last Answer : c) Manganese oxide

The bluish colour of water in deep sea is due to (a) The presence of algae and other plants found in water (b) Reflection of sky in water (c) Scattering of light (d) Absorbtion of light by sea

Description : The bluish colour of water in deep sea is due to (a) The presence of algae and other plants found in water (b) Reflection of sky in water (c) Scattering of light (d) Absorbtion of light by sea

Last Answer : (c) Scattering of light

The yellow colour of cow's milk is due to the presence of?

Description : The yellow colour of cow's milk is due to the presence of?

Last Answer : Carotene.

The yellow colour of urine is due to presence of (1) Bile (2) Lymph (3) Cholesterol (4) Urochrome

Description : The yellow colour of urine is due to presence of (1) Bile (2) Lymph (3) Cholesterol (4) Urochrome

Last Answer : Urochrome

The colour of cow’s milk is slightly yellow due to the presence of (1) Xanthophyll (2) Riboflavin (3) Ribulose (4) Carotene

Description : The colour of cow’s milk is slightly yellow due to the presence of (1) Xanthophyll (2) Riboflavin (3) Ribulose (4) Carotene

Last Answer : Carotene

In children the lungs are pale pink due to (a) Rich blood supply (b) Greater binding affinity of haemoglobin for oxygen (c) Formation of a higher percentage of oxyhaemoglobin as per higher metabolic rate (d) All of them

Description : In children the lungs are pale pink due to (a) Rich blood supply (b) Greater binding affinity of haemoglobin for oxygen (c) Formation of a higher percentage of oxyhaemoglobin as per higher metabolic rate (d) All of them

Last Answer : Ans:(a)