Haemoglobin in the blood is a complex protein rich in - (1) Iron (2) Silver (3) Copper (4) Gold

1 Answer

Answer :

(1) Iron Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates. Iron is an essential part of hemoglobin. When iron stores are low, both hemoglobin and red blood cell production slows, causing anemia.

Related questions

Description : Haemoglobin in the blood is a complex protein rich in (1) Iron (2) Silver (3) Copper (4) Gold

Last Answer : Iron

Description : Hemoglobin in the blood is a complex protein rich in A. Copper B. Iron C. Silver D. Gold

Last Answer : ANSWER: B

Description : A protein rich in cysteine is (A) Collagen (B) Keratin (C) Haemoglobin (D) Gelatin

Last Answer : Answer : B

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : (1) Gold Explanation: The heaviness of any metal is defined with reference to high densities, atomic weights, or atomic numbers. The atomic masses of the given elements are: Gold: 196.96654; Silver: 107.8682 ... .546; Iron: 55.847. So the heaviest metal is gold, followed by silver, copper and iron.

Description : The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Last Answer : A) Silver and Copper

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : Gold

Description : Haemoglobin formation needs both (A) Iron and Zinc (B) Iron and Calcium (C) Iron and Copper (D) Iron and Magnesium

Last Answer : Answer : C

Description : Haemoglobin contains the metal - (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Last Answer : (3) Iron Explanation: Haemoglobin is an ironcontaining protein in red blood cells. It contains a haem prosthetic group that has an iron atom at its centre. When the iron is bound to oxygen, the haem ... is red in colour (oxyhameoglobin), and when it lacks oxygen (deoxygenated form) it is blue-red.

Description : Haemoglobin contains the metal (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Last Answer : Iron

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)

Description : Which form an irreversible complex With haemoglobin of blood? -Do You Know?

Last Answer : answer:

Description : Which form an irreversible complex With haemoglobin of blood?

Last Answer : Carbon monoxide

Description : Which form an irreversible complex With haemoglobin of blood

Last Answer : Carbon monoxide

Description : Why is Zinc and not Copper used for the recovery of Silver from the complex [Ag (CN)2 ] ? 

Last Answer : Ans. Zinc is stronger reducing agent and more electropositive than Copper. (E° = + 0.34V) 

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

Description : Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper

Last Answer : Ans:(a)

Description : Which of the following metals has least, melting point? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : (3) Mercury Explanation: The melting point of the given metals (in Celsius) are:- Gold: 1063; Silver: 961; Copper: 1083; Mercury: 38.86. Mercury is the only elemental metal known to melt at a generally cold temperature.

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : (1) Gold Explanation: Gold is the least reactive in the reactivity series. Since it does not react with other elements, it is found in a free form. Only gold, silver, copper and the ... occur in nature in larger amounts. Nonmetallic elements occurring in the native state include carbon and sulfur.

Description : Chemically 'Quick Silver’ is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Last Answer : (1) Mercury Explanation: Quicksilver is an alternative name for the element mercury. A heavy, silvery dblock element, mercury is the only metal that is liquid at standard conditions for temperature ... is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.

Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

Description : Which of the following materials is a good electrical insulator? A. wood B. silver C. copper D. gold

Last Answer : Answer: A

Description : Which of the following materials does not form adherent oxide film on surface? (A) Copper (B) Nickel (C) Aluminium (D) Gold & silver

Last Answer : (D) Gold & silver

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

Description : The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Last Answer : d. silicon

Description : Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Last Answer : (A) Nichrome

Description : A metal that does NOT occur native in the earth is w) copper x) gold y) sodium z) silver

Last Answer : ANSWER: Y -- SODIUM 

Description : Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : Mercury

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : Gold

Description : Chemically ‘Quick Silver is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Last Answer : Mercury

Description : Heavy metals, such as____work by _____‗‗ a. Mercury; Disrupting Membranes b. Copper; Producing Toxins c. Iodine; Denaturing Proteins d. Silver; Binding Protein Molecules Together

Last Answer : d. Silver; Binding Protein Molecules Together

Description : Meat is rich in all of the following except (A) Iron (B) Fluorine (C) Copper (D) Zinc

Last Answer : Answer : B

Description : Iron is transported in blood in the form of (A) Ferritin (B) Haemosiderin (C) Transferrin (D) Haemoglobin

Last Answer : Answer : C

Description : Haemoglobin is 1. The colouring matter of leaves of plants 2. The colouring matter of blood 3. A compound that is highly coloured 4. A compound that contains iron The correct answers are: (a) 1, 2 and 4 (b) 2, 3 and 4 (c) 1, 2, 3 and 4 (d) 1, 2 and 3

Last Answer : Ans:(b)

Description : Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms? (a) Iron compounds (b) Thiamine (c) Folic acid and cobalamine (d) Riboflavin

Last Answer : (c) Folic acid and cobalamine

Description : A patient of iron deficiency anaemia has been put on iron therapy. What should be the rate of rise in haemoglobin level of blood so that response is considered adequate: A. 0.05 – 0.1 g% per week B. 0.1 – 0.2 g% per week C. 0.5 – 1.0 g% per week D. More than 1.0 g% per week

Last Answer : C. 0.5 – 1.0 g% per week

Description : What are Iron silver and gold are all examples of?

Last Answer : Need answer

Description : The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

Last Answer : Ans:(d)

Description : "Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Last Answer : (3) Diamond mines Explanation: Panna is famous for its diamond mines. A large group of diamond deposits extends North-East on a branch of the Vindhya Range for 240 km or so, and ... under the Diamond Mining Project of National Mineral Development Corporation (NMDC Ltd) of Government of India.

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : (1) Gold Explanation: Gold, which is not only the most valuable of metals, but also is without its peer in freedom from alloy, is known as the king of metals. Luxurious, classy and beautiful, gold ... most classic and coveted jewelry metal of all. It is also the oldest precious met-al known to man.

Description : The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Last Answer : (3) gold Explanation: Gold is the most malleable of all metals; a single gram can be beaten into a sheet of 1 square meter, and an ounce into 300 square feet.

Description : Which metal is causing for Minamata disease - a) Iron b) Mercury c) Gold d) Silver

Last Answer : b) Mercury

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : Gold

Description : Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Last Answer : (1) Zinc Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc.

Description : What material is used to make electric heater coil? (1) Copper (2) Iron (3) Silver (4) Nichrome

Last Answer : (4) Nichrome Explanation: Nichrome is a non-magnetic alloy of nickel, chromium, and often iron, usually used as a resistance wire. Patented in 1905, it is the oldest documented form of resistance heating ... is corrosion-resistant, and has a high melting point of about 1400 degree C (2552 degree F).

Description : Which °fine metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Last Answer : (3) Silver Explanation: Silver has the best thermal conductivity of 429 W/mK at RT (295K). It is followed by copper, gold and aluminium. Metals generally have very good electrical conductivity, that leads to high thermal conductivity.

Description : The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver

Last Answer : (4) silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Last Answer : (4) Silver Explanation: Copper: 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

Description : Which of the following is the most prone to atmospheric corrosion? (A) Silver (B) Iron (C) Tin (D) Copper

Last Answer : (B) Iron

Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.