Enviornment- Objectives
Enviornment-
Q and A
Food and its Nutrients- Objectives
Food and its Nutrients- Q and A
100

 Air pollution is caused when ________ 

  1. Food waste is thrown in the open

  2. Smoke is let out from factories 

  3. Plastic bottles are thrown into lakes and rivers. 

  4.  Factories let out waste water into rivers.

  • Smoke is let out from factories 

100

     Name 2 pollutants that cause air pollution.

Smoke from factories and smoke from vehicles ( cars, buses and trucks) are examples of 2 pollutants that cause air pollution.  

100

Deficiency of water leads to :

  1. Scurvy

  2. Goitre

  3. Dehydration

  4. Beri Beri

  • Dehydration

100

State any two functions of Vitamin C in our body.

  1. Keeps gums and teeth healthy .

  2. Holds body cells together  



200

People should use private transport to reduce air pollution.  True or False 

False

200

 Explain any 1 way of reducing garbage, thereby reducing soil pollution.

  1. Proper disposal of garbage

  2.  Composting

  3. Recycle and reuse waste

200

Carbohydrates and fats make food tasty. - True or False

True

200

What are the advantages of drinking 8-10 glasses of water everyday? 

  1. Strength and nourishment - It provides strength and nourishment to vital body organs.
      

  2. Bones - It enables the smooth functioning of the bones.

  3. Digest food - Water helps to digest food.

  4. Moist - It keeps the mouth, nose and eyes moist. 

  5. Body temperature - Water keeps the body temperature constant.

  6. Removing waste products - Water helps in removing waste products from the body in the form of sweat and urine. 

300

___________of vehicles, ____________taking off and landing create noise pollution.  

Horns and Aeroplanes

300

    What are the effects of noise pollution?

The effects of noise pollution are:

  1. Strained nerves  

  2. Headache  

  3. Mental disturbance  

  4. Hearing difficulties   

  5. Damaged eardrums

300

Fish and seaweeds are a source of _______.

Iodine

300

List the four important functions of food?

  1. Food gives us energy.

  2. Food helps in growth and repair of tissues 

  3. Food gives strength to fight against diseases and germs.  

  4. Food satisfies hunger

  5. Food helps the body to function normally.

  6. Social functions

400

Name the 4 types of pollution. 

The four types of pollution are 

  1. Air pollution 

  2. Water pollution

  3. Soil or Land pollution

  4. Noise pollution  

400

 Explain ‘composting’ as a way of disposing of garbage. 

  • The wet garbage from homes is put into a pit in one corner of the garden.

  • At the end of each day, it is covered with ash and leaves.

  • Gradually the lower layers are converted into compost or manure. 

  • This manure can be used for gardening.

         This is composting as a way of disposing of garbage. 

400

Deficiency of Iron causes ____________. The symptom is that the person feels ______________.

Anaemia and Tired

400

Differentiate between Kwashiorkor and Marasmus.



Kwashiorkor-Deficiency of protein-Child develops a pot belly

Marasmus-Deficiency of protein and carbohydrates-Child does not grow ( or the child is stunted) 


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