Vitamins and Nutrition

This option is correct because vitamins B12 involves the formation of red blood cells. Deficiency  of it causes pernicious anemia, accompanied by degradation of spinal cord. Thus vitamins B12 is known as antipernicious anemia factor.

A gene is a segment in a chromosome found inside the nucleus of a living cell. The traits of an individual, such as the appearance, nature of the voice, resistance to certain diseases etc, coming down from ones ancestry are chemically coded in the genes. They not only contain the recipes for the production of body tissues and enzymes required for respiration and digestion etc,  even the time and the duration for various actions such as growing a beard and producing milk after pregnancy are precisely programmed.

Ans - 4

Eggs are a good source of many vitamins, including A, D, E, and B-complex, but they do not contain vitamin C.

Correct answer :- (2)

Anti-sterility vitamin is vitamin E. It is required for the normal reproductive function in rats, hence, called anti-sterility vitamin. In absence of vitamin E, the germinal epithelium of the testes of rat is destoryed. In the female rat, ovulation and fertilization take place, but there is death and resorption of the foetus. 

Trocopherol, does not belong to vitamin B group tocopherol represents vitamin E which is also known as antisterility vitamin. It is fat soluble vitamin. Other three belong to vitamin B group. Riboflavin is vitamin B₂, cyanocobalamine is vitamin B₃. These are water soluble vitamins.

Vitamin C is needed for the growth and repair of tissues in all parts of your body. It is used to: 1.Form an important protein used to make skin, tendons, ligaments, and blood vessels

1. Heal wounds and form scar tissue 3.Repair and maintain cartilage, bones, and teeth
2. Aid in the absorption of iron

Vitamin K, calcium ions and fibrinogen play a significant role in blood coagulation, but vitamin D has no role in blood coagulation. 

Vitamin A is a group of compounds that plays an important role in vision, bone growth, reproduction, cell division and cell differentiation (in which a cell becomes part of the brain, muscle, lungs, blood or other specialized tissue). Vitamin A helps regulate the immune system, which helps prevent or fight off infections by making white blood cells that destroy harmful bacteria and virus. Vitamin A may also help lymphocytes (a type of white blood cell) fight infections more effectively.

Blood clotting cannot take place in the absence of vitamin k. It is an important factor in clotting cascade.

 From nutritional point of view, our food must contain carbohydrates, fats, proteins, vitamins and minerals.

 Riboflavin is essential for normal vision.Riboflavin is also needed to help the body change vitamin B6 and folate into forms it can use. It is also important for growth and red blood cell production. 

Vitamin C is a nutrient, which can not tolerate high temperature and gets destroyed on over heating. 

Calcium, iodine and iron are minerals required by the body; whereas vitamin D is a vitamin and is the odd one out.