Vitamins Questions in English

(C) Iodine is an essential trace element required for the synthesis of thyroid hormones,$T_3$ and $T_4$.
Deficiency of iodine in the diet leads to the enlargement of the thyroid gland,a condition known as $Goiter$.

(D) Vitamin $A$ is found in various food sources.
It is present in animal products like liver,milk,butter,cheese,and eggs.
It is also found in plant sources such as carrots,broccoli,spinach,sweet potatoes,pumpkin,and apricots.
Cod liver oil is a particularly rich source of Vitamin $A$.
Therefore,all the given options contain Vitamin $A$.

(A) . $\text{Vitamin}$ - $A$ vitamin is an organic molecule that is an essential micronutrient required by an organism in small quantities for the proper functioning of its metabolism.
Ascorbic acid is a vitamin found in various foods such as spinach,cabbage,tomatoes,and potatoes,and is also sold as a dietary supplement.
It is commonly known as $\text{vitamin } C$.
It is used to prevent and treat scurvy and is an essential nutrient involved in tissue repair and the enzymatic production of certain neurotransmitters.
Therefore,ascorbic acid is a $\text{vitamin}$.

(A) The chemical name of vitamin $C$ is Ascorbic acid.
It is a water-soluble vitamin found in various foods and used as a dietary supplement.
Therefore,the correct option is $A$.

(A) Vitamin $B_1$ is also known as thiamine.
Its deficiency leads to the disease known as Beri-beri,which is characterized by muscle weakness and cardiovascular symptoms.

(A) Vitamin $C$,also known as ascorbic acid,is essential for the body.
Its deficiency leads to a disease known as scurvy,which is characterized by symptoms like bleeding gums and skin spots.
Rickets is caused by the deficiency of vitamin $D$.
Pernicious anaemia is caused by the deficiency of vitamin $B_{12}$.

(A) The term $Vitamin$ was coined by $Casimir$ $Funk$ from the words $vita$ (life) and $amine$ (as he thought they were amines).
While vitamins are essential for maintaining health and preventing deficiency diseases,they are not considered 'vital for life' in the sense that they are not the primary source of energy or structural components like proteins,carbohydrates,or fats.
Option $A$ is the statement that is generally considered incorrect in a strict biochemical context compared to the other options provided.

(A) Rickets is a condition that affects bone development in children,causing them to become soft and weak.
It is primarily caused by a severe deficiency of Vitamin $D$,which is essential for the absorption of calcium and phosphorus from the diet.

(A) Vitamin $A$ (retinol) is a diterpene,which means it is composed of four isoprene units ($C_5H_8$ units) linked together in its structure.

(D) Vitamin $B_{12}$,also known as cyanocobalamin,contains a central metal ion.
The metal present in the coordination complex of vitamin $B_{12}$ is Cobalt in the $+3$ oxidation state,denoted as $Co(III)$.
Therefore,the correct option is $(D)$.

(D) Vitamin $E$ acts as an antioxidant in edible oils,helping to prevent the oxidation of fats and oils.

(D) Most $B$-complex vitamins are water-soluble and are excreted from the body through urine,so they are not stored in the body.
However,Vitamin $B_{12}$ is an exception.
It is stored in the liver for a long period,which is why its deficiency symptoms may take years to appear.

(A) Vitamins are organic compounds required in the diet in small amounts to perform specific biological functions for normal maintenance of optimum growth and health of the organism.
They are essential for life and their deficiency leads to specific diseases.
The term 'vitamin' was coined by Casimir Funk.
Vitamins do not directly help in digestion; rather,they act as co-factors or co-enzymes in metabolic processes.
Therefore,the statement that they help in digestion is incorrect.

(B) Vitamin $D$ is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium,magnesium,and phosphate. The two most important forms are Vitamin $D_2$ (Ergocalciferol) and Vitamin $D_3$ (Cholecalciferol). Therefore,Vitamin $D$ is commonly referred to as Calciferol.

(B) Vitamin-$E$ is chemically known as $Tocopherol$.
Cyanocobalamin is Vitamin-$B_{12}$.
Lactoflavin is Vitamin-$B_2$ (Riboflavin).
Ascorbic acid is Vitamin-$C$.

(A) Vitamin $B_6$ is chemically known as Pyridoxine.
Thiamine is Vitamin $B_1$.
Riboflavin is Vitamin $B_2$.
Tocopherol is Vitamin $E$.

(D) Vitamin $B_{12}$,also known as cyanocobalamin,contains a cobalt $(Co)$ ion at its center,not magnesium $(Mg^{2+})$. Therefore,the statement in option $D$ is incorrect.

(B) Ascorbic acid is the chemical name for Vitamin $C$. It is a water-soluble vitamin found in many foods,particularly citrus fruits.

(D) Vitamin $D$ is not soluble in water but is soluble in fat.

(A) Riboflavin is the chemical name for Vitamin $B_2$. It is a water-soluble vitamin that plays a key role in energy metabolism and cellular processes.

(C) Vitamin $B_{12}$ is chemically known as $Cyanocobalamin$.
It is a water-soluble vitamin that plays a crucial role in the functioning of the brain and nervous system,and the formation of red blood cells.

(C) Vitamins are classified into two categories based on their solubility: fat-soluble and water-soluble.
Fat-soluble vitamins include Vitamin $A$,$D$,$E$,and $K$.
Water-soluble vitamins include Vitamin $B$-complex and Vitamin $C$.
Folic acid is a member of the Vitamin $B$-complex (specifically Vitamin $B_9$),which is water-soluble.
Therefore,Folic acid is not fat-soluble.

(A) Vitamin-$K$ is essential for the synthesis of proteins involved in blood coagulation (clotting).
Its deficiency leads to a decrease in the clotting factors,which results in an increased time for blood to clot,leading to excessive bleeding.

(A) Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues. The most common cause of anemia is a deficiency of $Iron$ $(Fe)$,which is essential for the production of hemoglobin.

(D) . Muscle contraction is regulated by $Ca^{2+}$ ions,so $A-III$.
$B$. Blue-green algae (like nitrogen-fixing bacteria) require Molybdenum for nitrogenase activity,so $B-IV$.
$C$. Carboxypeptidase is a zinc-containing enzyme,so $C-I$.
$D$. Cyanocobalamin is Vitamin $B_{12}$,which contains Cobalt,so $D-II$.
Therefore,the correct matching is $A-III, B-IV, C-I, D-II$.

(D) The question asks for a bone disease caused by a virus.
However,none of the options provided (Pneumonia,Malaria,Diphtheria,Influenza) are primarily classified as bone diseases.
Pneumonia is a respiratory infection,Malaria is a protozoan disease,Diphtheria is a bacterial infection,and Influenza is a viral respiratory infection.
If the question implies a disease that can affect bone health or is a viral infection,Influenza is the only viral disease listed,but it is not a bone disease.
Given the options,there is no correct answer for a 'bone disease caused by a virus' among the choices.

(C) Abscisic acid is a plant growth inhibitor.

(B) deficiency of vitamin $B_1$ (thiamine) leads to the disease known as beri-beri.
This condition is characterized by damage to the peripheral nerves and muscle wasting.
Symptoms may include weight loss,anorexia,confusion,and short-term memory loss.

(A) The correct option is $A$.
$1.$ Vitamins are classified into two categories based on their solubility: water-soluble and fat-soluble vitamins.
$2.$ Fat-soluble vitamins include Vitamin $A$,$D$,$E$,and $K$,which are stored in the liver and fatty tissues.
$3.$ Water-soluble vitamins include Vitamin $B$ complex and Vitamin $C$,which are not stored in the body and must be replenished regularly.
$4.$ Therefore,Vitamin $B$ complex is water-soluble,not fat-soluble.

(D) Vitamins are classified into two categories based on their solubility:
$(I)$ Fat-soluble vitamins: $A, D, E, K$.
$(II)$ Water-soluble vitamins: Vitamin $B$ complex and Vitamin $C$.
Therefore,Vitamin $B$ is water-soluble.

(C) Vitamins $B$ and $C$ are water soluble.
Vitamins $A, D, E$ and $K$ are fat soluble or water insoluble.

(B) Vitamins are classified as either fat-soluble or water-soluble.
Vitamin $C$ (ascorbic acid) is water-soluble and functions as a potent antioxidant in the body by protecting cells from oxidative stress.

(B) $1$. $DNA$ is the carrier of genetic information and is responsible for the transmission of hereditary characters from one generation to the next. Thus,option $A$ is incorrect.
$2$. Vitamin $D$ is a fat-soluble vitamin,not water-soluble. Thus,option $C$ is incorrect.
$3$. Valine is an essential amino acid,meaning it cannot be synthesized by the human body and must be obtained through diet. Thus,option $D$ is incorrect.
$4$. Deficiency of vitamin $D$ leads to the softening and weakening of bones,a condition known as rickets in children. Thus,option $B$ is the correct statement.

(A) Vitamins are classified into two groups based on their solubility:
$1$. Fat-soluble vitamins: These include Vitamin $-A$,$-D$,$-E$,and $-K$.
$2$. Water-soluble vitamins: These include Vitamin $-B$ complex and Vitamin $-C$.
Therefore,among the given options,Vitamin $-C$ is water-soluble.

(A) Vitamin $C$ (ascorbic acid) is a water-soluble vitamin.
It is abundantly found in citrus fruits,amla (Indian gooseberry),and green leafy vegetables.
Fish liver oil is a rich source of vitamin $A$ and $D$.
Milk and butter are sources of fat-soluble vitamins like $A$,$D$,$E$,and $K$.

(C) Vitamins are classified into two groups based on their solubility:
$1$. Fat-soluble vitamins: These include Vitamin $A$,$D$,$E$,and $K$.
$2$. Water-soluble vitamins: These include Vitamin $B$-complex and Vitamin $C$.
Therefore,Vitamin $B$ and $C$ are water-soluble.

(B) vitamin is an organic molecule which is an essential micronutrient for normal body functioning.
There are $2$ major types of vitamins: fat-soluble and water-soluble.
Water-soluble vitamins include vitamin $C$ and the $B$ complex vitamins (e.g.,$thiamine$,$riboflavin$,$niacin$,$pantothenic \ acid$,$B_6$,$biotin$,$folic \ acid$,and $B_{12}$).
Fat-soluble vitamins include vitamins $A$,$D$,$E$,and $K$.
Fat-soluble vitamins can be stored in our body,while water-soluble vitamins cannot be stored (except $B_{12}$) and must be replenished regularly.

(C) The deficiency of Vitamin $D$ leads to the softening and weakening of bones,a condition known as rickets.

(C) Scurvy is a disease caused by the deficiency of vitamin $C$ (ascorbic acid).
It leads to symptoms like bleeding gums,weakness,and slow wound healing.

(D) Most $B$ group vitamins are water-soluble and are excreted from the body through urine,meaning they cannot be stored in significant amounts.
However,Vitamin $B_{12}$ is an exception as it is stored in the liver for long periods.

(A) Beri-Beri is a disease caused by the deficiency of $Vitamin \ B_1$ (also known as Thiamine).
It affects the peripheral nerves and the heart.

(D) Vitamins are classified into two categories based on their solubility: water-soluble and fat-soluble.
Fat-soluble vitamins include $A$,$D$,$E$,and $K$.
These vitamins are stored in the liver and adipose (fat) tissues.
Since $A$,$D$,and $E$ are all fat-soluble,the correct answer is $D$.

(A) The deficiency of Vitamin $C$ (ascorbic acid) leads to a disease known as scurvy.
One of the primary symptoms of scurvy is the swelling and bleeding of gums.
Therefore,the correct answer is Vitamin $C$.

(C) Scurvy is a disease characterized by symptoms such as bleeding gums,skin spots,and weakness.
It is caused by a deficiency of $Vitamin \ C$ (ascorbic acid) in the diet.
Therefore,the correct option is $C$.

(C) Vitamins are classified into two categories based on their solubility: fat-soluble and water-soluble.
$Vitamin \ A, D, E,$ and $K$ are fat-soluble.
$Vitamin \ B$ complex and $Vitamin \ C$ are water-soluble.
Among the water-soluble vitamins,$Vitamin \ C$ (ascorbic acid) is well-known for its antioxidant properties,as it helps protect cells from damage caused by free radicals.

(B) Vitamins are classified into two groups based on their solubility: water-soluble and fat-soluble.
Water-soluble vitamins include $B$ group vitamins and Vitamin $C$.
Fat-soluble vitamins include Vitamin $A$,$D$,$E$,and $K$.
Retinol is the chemical name for Vitamin $A$,which is fat-soluble.
Thiamine (Vitamin $B_1$),Riboflavin (Vitamin $B_2$),and Pyridoxine (Vitamin $B_6$) are all water-soluble vitamins.

(A) Night blindness is a condition characterized by the inability to see clearly in low light or at night.
It is primarily caused by the deficiency of Vitamin $A$ (retinol).
Vitamin $A$ is essential for the formation of rhodopsin,a pigment in the retina that is sensitive to low light levels.

(B) Vitamin $B_{12}$ (cyanocobalamin) is a complex containing a cobalt ion at its center.
It is primarily found in animal products like meat,fish,eggs,and milk.
It is generally $NOT$ found in plants,as plants do not synthesize it.
It is an essential micronutrient required by the human body in small amounts.

(A) Vitamins are classified into two categories based on their solubility: water-soluble and fat-soluble.
Fat-soluble vitamins include $A, D, E,$ and $K$.
These vitamins are absorbed in the intestine along with dietary fats.
Water-soluble vitamins include the $B$-complex group and Vitamin $C$.
Therefore,among the given options,$A$ and $D$ are fat-soluble vitamins.

(B) The deficiency of vitamin $C$ (ascorbic acid) leads to the disease known as scurvy.
Scurvy is characterized by symptoms such as bleeding gums,weakness,and slow wound healing.