Important Study Notes on Science-Biology for Railway Exam

Important Study Notes on Science-Biology for Railway Exam

Dear Readers, Here we have given some important study notes on Science Biology for Railway exam. Candidates those who are all preparing for the Railway and other Competitive examinations can use this material.

Important Study Notes on Science-Biology –Click Here To Download

Vitamins:
There are required for the normal growth, good health, good vision and proper digestion of the body.
Vitamins can be divided into 2 types
I). Water Soluble – vitamin B,C
II). Fat Soluble – vitamin A, D, E, K
Types of Vitamins:-
S.No
Vitamins
Chemical Name
Source
Deficiency disease
1
Vitamins ‘ A ‘
Retinol& Carotene
Carrot
night blindness
2
Vitamins ‘ D‘
Caleiferal
Sunlight on human skin
Rickets, softness of bones under development of teeth of in children
3
Vitamins ‘ E ‘
Tocopherol
Growing seeds
in potency in humans
4
Vitamins ‘ K ‘
Tomato
Grain
blood clotting
5
Vitamins ‘ B1
Thiamine
Cereals white flour
Beriberi
6
Vitamins ‘ B2
Riboflavin
Dairy
redness of eye blurred vision.
7
Vitamins ‘ B3
Niacen
Meat
Pellagra
8
Vitamins ‘ B5
Pantothenic acid
Beans
Focial dermatites
9
Vitamins ‘ B6
Pyridoxine
Whole
convulsions in child
10
Vitamins ‘ B12
Cobalamine
Liver, Kidney
Red blood cell production – Pernicious anemia
11
Vitamins ‘ C’
Ascorbic acid
Citrus, tomato
Scurvy
12
Vitamins ‘ P’
Nicotina mide
Lemon, orange
Growth of bones and teeth.
Diseases& Affected body Parts :-
S.No
Diseases
Affected body Parts
1
AIDS
Immune System of the body
2
Arthritis
Joints
3
Asthma
Bronchial Muscles
4
Cataract, Conjunctivitis, Glaucoma
Eyes
5
Dermatitis
Skin
6
Diphtheria
Throat or respiratory track
7
Eczema
Skin
8
Goiter
Thyroid
9
Hepatitis
Liver
10
Jaundice
Liver
11
Malaria
Spleen
12
Meningitis
Brain
13
Otitis
Ear
14
Trachoma
Eye
15
Paralysis
Nerves
16
Polio
Legs
17
Pyorrhea
Teeth
18
Pneumonia
Lungs
19
Typhoid
Intestine
20
Cholera
Intestine
21
Tuberculosis
Lungs
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