Biology: Nutrition For Kerala Psc

Biology Nutrition For Kerala Psc
Kerala PSC Exams

Biology: Nutrition For Kerala Psc

  • The process of intake of food, considered in relation to the body’s dietary needs


  • Energy required for a human being:

2000- 3600  kilocalorie per day  

  • The type of nutrition in which animal intakes food and they get digested and absorbed latter:

Holozoic Nutrition

  • The type of nutrition in which one organism completely depends on another:

Parasitic nutrition

  • 50% to 70% of energy required by the body was provided by:


  • Monosaccharides, Disaccharides, and Polysaccharides are the type of:


  • Glucose, Fructose and Galactose are:


  • Maltose and Lactose are:


  •  Starch, Cellulose, Kayatin and Glycogen are:


  •  One gram of glucose on oxidation librates liberates an energy of:

4.2 Kilocalorie   

  •  Combination of Glycerol and Fatty acid is known as:


  • 20% to 30% of required energy of human body was provided by:


  •   One gram of fat on oxidation librates liberates an energy of:

9.3 Kilocalorie  

  • The therm protein was first coined in 1838 bySwedish chemist:

Jöns Jacob Berzelius

  • The term protein is derived from the Greek word proteios,meaning:

 “holding first place.”

  • Major protein deficiency diseases are:

Kwashiorkor and Marasmus

  • The word “vitamin” was coined in 1911 by:

Casimir Funk 

  •  Water soluble vitamins are:

Vitamin B and Vitamin C

  •  Fat soluble vitamins are:

Vitamin A, Vitamin D, Vitamin E, Vitamin K

Vitamin Scientific Names Deficiency disease 
ARetinolNyctalopia (Night Blindness)Xerophthalmia 
DCalciferol Rickets ( in Children)Osteomalacia (in Adults)
ETocopherolAnemiaReproductive Failure 
KPhylloquinone Faulty cloting 
B1ThiamineBeri Beri
B2Riboflavin Cheilosis Ariboflavinosis 
B5Panthogenic AcidDermatitis 
B6Pyridoxine Dermatitis Anemia 
B7BiotinLoss of Muscular control and appetiteWeakness and Hair loss
B9Folic Acid Megaloblastic Anemia 
B12Cyanocobalamin Pernicious Anemia 
CAscorbic acid Scurvy 
  • Vitamin synthesised  by skin in presence of sunlight:

Vitamin D

  • Vitamin having no plant source:

Vitamin D 

  • Vitamin having only  plant source:

Vitamin C

  • Vitamin that aids in absorbing Calcium from gastro intestinal gland and to store in bones:


  • Vitamin known as ‘ Vitamin of Reproduction’ or ‘Beauty Vitamin’:

Vitamin E

  •  Vitamin known as ‘ yellow enzyme’:

Vitamin B2

  •  Vitamin known as ‘Vitamin H’:

Vitamin B7

  •  Vitamin having anti- cancerous property:


  •  Vitamin that helps in maintaining walls of blood vessels:

Vitamin P

  •  Vitamin that helps in maintaining structure of RBC:

Vitamin E

  •  Vitamin that helps in DNA production:

Vitamin B12

  • Vitamins lost by heating:

B1, B5, B7, B12

  •   Vitamin deficiency disease known as ‘Sailors Disease’


Minerals Amount required in one day 
Sodium2- 5 g
Potassium1 g
Calcium1.2 g
Phosphorus 1.2 g
Iron 25 mg for men35 mg for women 
Iodine 20 mg
  • Mineral helps in maintaining Ph Level of the body fluid:


  •  Mineral that act as a muscle relaxant:


  •  Mineral helps in Insulin promotion:


  •  Mineral helps in stimulation of Insulin action:


  •  Mineral helps in utilisation of iron in haemoglobin:


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