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A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism.

There are 13 essential vitamins that our body need. They are categorized into 

1. Water soluble

2. Fat soluble

Water-soluble vitamins dissolve in water, which means these vitamins and nutrients dissolve quickly in the body. Unlike fat-soluble vitamins, water-soluble vitamins are carried to the body’s tissues, but the body cannot store them.

Water-soluble vitamins are Vitamin B1, B2, B3, B5, B12, B6, B7 & B9 and Vitamin C.

Fat-soluble vitamins are soluble in fats. They are absorbed by fat globules that travel through the small intestines and into the general blood circulation within the body. Unlike water-soluble vitamins, fat-soluble vitamins are stored in the body when they are not in use.

Fat-soluble vitamins are - Vitamin A, D, E and K.

The largest man made canal in the world is The Suez Canal. It is a sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez.

• It was constructed by the Suez Canal Company between 1859 and 1869.

Group Therapy is a form of psychotherapy in which one or more therapists treat a small group of patients to describe and discuss their problems. Group therapy allows individuals to develop self-awareness and better understand themselves by listening to others with similar issues in the context of their relationships.

An advantage to group therapy is that groups are source for social support.

Surface roughness on a drawing is represented by the triangle.

In psychology, a projective test is an identity test intended to give an individual a chance to react to ambiguous stimuli, probably revealing hidden feelings and internal conflicts anticipated by the individual into the test.

Some examples of the projective test are ::

* Rorschach's ink blot test 

* Thematic apperception test

* Sentence completion test

No, the given statement that the Walker Cup is associated with POLO is FALSE. The Walker Cup is an International Trophy which is associated with GOLF.

Lysosome is an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane. They are capable of breaking down all types of biological polymers like proteins, nucleic acids, carbohydrates, and lipids.

Lysosomes are known as the suicide bags of cells because whe any cell gets damaged these organelles burst and the enzymes present in it will digest the damaged cell.

Mitochondria is absent in Bacteria as well as in Blue Green Algae. They are seen in eukaryotic cells for respiration purpose.