SCIENCESTD : VIIth

TOPIC : FOOD AND NUTRITION

ALKA .R.SINGH B.ED 2009-2010

CONTEnT

AUTOTROPHSAND HETEROTROPHS.

BALANCE DIET.

CONSTITUENTS OF FOOD AND ITS SOURCES.

Some living thing make their own food .They are called

Example : PLANTS…….

AUTOTROPHS.. OR

AUTOTROPHIC LIVING THING

Living thing which depend on other living thing for their food are known as

Example: ANIMALSExample: ANIMALS

HETEROTROPHS

There are FIVE substance that our daily diet consists of i.e FIVE constituents which is must in our diet.

1)CARBOHYDRATES2)PROTEINS3)FATS4)VITAMINS5)MINERALS

For good nourishment, it is important that CARBOHYDRATES , PROTEINS , FATS as well as MINERALS and VITAMINS are provided in the proper proportion.

“A diet which includes all these Constituents in right proportion is called a BALANCE DIET”

CARBOHYDRATES:

PROVIDES OUR BODY WITH ENERGY THAT IS REQUIRE TO DO OUR DAILYWORK.

SOURCES OF CARBOHYDRATES:

POTATOESJOWAR

BHAKARI

PROTIENS

HELPS TO REPAIR OUR BODY WOUNDS AND ARE ALSO REQUIRE FOR GOOD SKIN AND GOOD HAIR.

SOURCES OF PROTIENS:

MILK

EGGS

MEAT

FATS

HELPS IN MAINTAINING BODY TEMPERATURE. IT PROVIDE BACKUP ENERGY.

SOURCES OF FATS

BUTTER

GHEE

CHEESE

VITAMINS

REQUIRED FOR PROPER AND SMOOTH FUNCTIONING OF THE BODY PROCESS.

SOURCES OF VITAMINS

TOMATOCARROT

CUCUMBER

MINERALS

REQUIRED FOR MAINTAINANCE AND REPAIR OF OUR TISSUES AND BONES

SOURCES OF MINERALS

FRUITS DAIRY PRODUCTS

GREEN VEGETABLES

EVALUATIONQ.1) WHAT IS MEANT BY AUTOTROPHIC LIVING THINGS?

Ans: Living thing which prepare their own food are known as AUTOTROPHIC LIVING THING.

Q.2) WHAT IS A BALANCE DIET?Ans: A diet which includes all the constituets in right proportions

is called a balance diet

Q.3) NAME THE FIVE CONSTITUENTS REQUIRED FOR A BALANCED DIET?

Ans: Carbohydrates , Vitamins , Fats , Proteins and Minerals.

A diet which includes all the constituents in right proportions is called a ______________BALANCE DIET

MATCH THE FOLLOWIN

1)

2)

3)

FATS

PROTIENS

CARBOHYDRATES

THANK YOU