1. How did Aman know that the potato sabzi had got spoilt?
Ans. The bad smell from the potato
sabzi gave the clue.
2. Have you ever seen some food that has got spoilt? How did you know that it was spoilt?
Ans. Yes, I have seen foods that
have gone spoilt. The spoilt food smells bad and shows unusual colours.
3. Preeti told Nitu not to eat the potato sabzi. What would have happened if she had eaten it?
Ans. She may have fallen ill if she
had eaten it.
4. Look in your kitchen and write down names of food items that:
(a) Can get spoilt in 2-3 days.
Ans. Milk, bread, dal, boiled rice.
(b) Can be kept for a week.
Ans. Potato, tomato, onion, cake.
(c) Would not spoil till one month.
Ans. Flour, raw rice, pickles,
ghee, oil, sugar, salt.
5. Write down the observation that you have about different food item.
Ans. Most of the cooked foods get spoilt in 2-3 days while some of the raw vegetables get spoilt in a week. Most of the dry grains can last a month and more than a month.
6.Will your list be the same in all seasons? What would change?
Ans. No, the list will change in different seasons. Food easily gets spoilt in summer than in winter. In rainy season, the excess moisture in the air hastens the % process of spoiling of food.
7.When food gets spoilt in your house, what do you do with it?
Ans. We throw the spoilt food in the garbage bin.
8.What can we know from what is written on the packet?
Ans. The food packet can give
following information:
Price, weight, date of
manufacturing, date of expiry and ingredients.
9.When we buy anything from the market, what do we look for on the packet?
10. Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly.
Conditions in which the food spoils
quickly:
– If cooked food is kept in open.
– If milk is not boiled properly.
– If green vegetables are kept in
hot and humid places.
– If pickles are not protected
against moisture.
11.Why was sugar and jaggery mixed into the mango pulp and dried in the sun?
13.How did the brothers make the mamidi tandra? Write down step-by-step what they did for this.
1. Mat made from palm leaves,
casuarinas poles, string made of coconut husk, jaggery and sugar.
2. They made a platform from
casuarinas poles and mat.
3. Mango juice was taken out and
filtered through a fine cloth to remove fibres.
4. A thin layer of juice was spread
on the mat and left to dry
5. In the evening the layer was
covered with a sari to prevent dust from getting on it.
6. Every day, layer upon layer was
added.
7. After about four weeks a thick
golden cake of mamidi tandra could be made.
14.What things are made in your house from ripe and unripe mangoes?
15.Glass jars and bottles are dried well in the sun before filling them with pickles. Why is this done? Do you remember what happened to the bread in the experiment?
16.To eat mangoes round the year we make different items like pickles, aam papad, chutney, chikky, etc. List some other food with which we make different things, so that we can enjoy it throughout the year.
(a) Pickles are made from many
things.
(b) Many vegetables; like
cauliflower; are sun dried for later use.
(c) Potato chips and banana chips
are made so that they can last longer.
(d) Murabba is prepared from white
gourd and amla.
(e) Peda is made from milk