Question 1:
Which juice is present in our stomach ?
Answer:
Gastric juice is present in our stomach which is hydrochloric acid.
Question 2:
Why there is acidity in the stomach ?
Answer:
Acidity is due to the release of excess of acid in the stomach.
Question 3:
How much time is taken in our stomach to digest unboiled milk
Answer:
2 hours 15 minutes.
Question 4:
How did the tribes of Andaman Island people get the warning of Tsunami in December 2005 ??
Answer:
3 hours 30 minutes.
Question 5:
How much time is taken to digest full boiled egg ?
Answer:
The process of breaking down the complex food in the body to simpler forms is called digestion.
Question 6:
What is digestion ?
Answer:
If the food is enough nutritious and balanced it is called a proper food.
Question 7:
What do you understand by proper food ?
Answer:
If the children do not get proper food their stomach and limbs swell up. They remain dwarf. Their weight reduces. They feel tired.
Question 8:
What problems can happen to children if they do not get proper food ?
Answer:
Due to cold our smelling power is reduced, due to which we cannot smell the food properly so we can not taste the food properly.
Question 9:
Why bottles are kept in sunlight before putting pickle in them ?
Answer:
So that water is removed from the bottles. If there is water in the bottle food item stored in it will be spoiled. Fungus will grow in it.
Question 10:
To enjoy the mangoes around the year what things we make from it ?
Answer:
To enjoy the mangoes around the year we make pickles, aam papad, chuttney, toffee, juice etc.
Question 11:
How food is spoiled ?
Answer:
Fungus is produced on the food which produces harmful chemicals, due to which it is spoiled.
Question 12:
From where fungus come in the spoiled foods ?
Answer:
When food is kept in the air for sometime, the spores of fungus present in the air land on it. The spores fallen on the food germinate and food is spoiled.
Question 13:
What are the causes of spoiling of food ?
Answer:
Food is spoiled due to following reasons :
1. Due to over cooking.
2. Keeping it for long time.
3. Keeping it at higher temperature and in humid atmosphere.
Question 14:
How food can be saved from spoiling ?
Answer:
Food can be saved from spoiling by following methods.
1. By cooking
2. By boiling
3. Keeping in Fridge etc.
4. By mixing excess of salt and sugar
5. By keeping, it in the open and protecting
it from moisture.
Question 15:
Write the method to make aam papad.
Answer:
To make aam papad select ripe mangoes. Take out the mango pulp into a large pot. Then strain the pulp through a fine muslin cloth, to remove the fibres from the pulp. Crush the gur and add gur and sugar in equal amount to the pulp. Mix the gur and sugar well with a spoon. Then spread this pulp into a thin layer over the mat. The thin layer is left to dry in the Sun. In the evening cover the mat with a clean saree to avoid any dust. On the next day again spread the pulp over the previous days layer. Each day spread one layer. Add layer after layer until the Jelly grew four centimetres thick and looked like a golden cake. In this way papad is ready. Take it out and cut it into pieces.