There is an increased demand for nutrition during pregnancy particularly in the second half of pregnancy. The major portion of the protein is acquired by the foetus in the three months prior to birth.
Under-nutrition is the form of malnutrition which is wide spread in the developing countries with large population and low economic strata.
Here are few sample questions on food and nutrition. Can you answer these questions.
Food is one of the basic necessities of life. It is more than other basic needs shelter and clothing. For ages, we have acquired plenty of information's about the use food as a part of our community social, national and religious life.
The bacteria mostly lack chlorophyll and are unable to synthesize carbohydrates except in some forms. On the basis of the modes of nutrition the bacteria are grouped into two types:
The difference between Autotrophic and Heterotrophic Nutrition is that in the former autotrophs prepare organic food by photosynthesis whereas in the latter heterotroph depends on autotrphs for food.
Organisms feed on dead or decaying organic matter are called saprophytes and their mode of nutrition as saprophytic nutrition (GK. Sapros- rotten, trophos-feeder).
Organisms incapable of utilizing CO2 (inorganic carbon) as the sole source of carbon and obtain water, minerals and organic compounds from other organisms are called heterotrophs and the mode of nutrition as heterotrophic nutrition.
Bacterial is very small, simple unicellular organisms with a length varying from 2 to 5. On the basis of shape bacteria are either coccus (spherical), bacillus (rod shape), spirillum (spiral) or vibro (comma) types.
Nutrition includes all those processes of a living being whereby it takes food, digests it, and utilizes the digested materials for (i) its survival, (ii) growth, and (iii) repair of worn-out parts the body.