Explanation

 vitamin B12 found in

Fish and shellfish such as trout, salmon, tuna fish, and clams.

Fortified breakfast cereal.

Low-fat milk, yogurt, and cheese.

Eggs.

Explanation

Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called Megaloblastic Anemia that makes people tired and weak 

Explanation

Scurvy is a state of dietary deficiency of vitamin C (ascorbic acid).

The human body lacks the ability to synthesize and make vitamin C

Depends on exogenous dietary sources to meet vitamin C needs. 

Explanation

B-complex vitamins and vitamin C are water-soluble vitamins that are not stored in the body and must be replaced each day.

These vitamins are easily destroyed or washed out during food storage and preparation.

Explanation

Answer:

C

  excess perspirations causes weakness,  because of the loss of more water from the body

Explanation

Iodine and sodium are essential for animals and are not required by most of the plants however, iodine is found in certain marine algae.

Explanation

Osteomalacia is caused due to deficiency of  Vitamin D

Explanation

Milk is approximately 80 percent water and 20 percent solids. As it comes from the cow, the solids portion of milk contains approximately 3.7 percent fat and 9 percent solids-not-fat. Milkfat carries the fat soluble vitamins A, D, E, and K.

Explanation

Fat soluble 

Sources include green vegetables, milk and its products, liver eggs and especially in carrots.

leading cause of blindness in children worldwide

Explanation

Answer:

C

The cause of milk fever is a lack of sufficient calcium in the  serum (hypocalcemia). At the end of the dry period, cows must undergo a sudden change in metabolism, switching from telogen to  high performance. During the dry season, cattle have a relatively low need for calcium.