প্রাথমিক শিক্ষা সমাপনি পরীক্ষা Elementary Science's Short Questions(M.C.Q) , Chapter: 6, Class 5 (P.E.C.)

                Science (Chapter-6)

                            Brief questions.

1.     What are the six elements of food?

Ans: The six elements of food are: Carbohydrate, Protein, Fats, Vitamins, mineral salts and water.

2.     For healthy life, what we need?

Ans: For healthy life we need to have ideal food

3.     What is optimum food?

Ans: Eating the right amounts of food on a proper schedule to achieve the best performance and the longest possible lifetime with good health is called optimum food.

4.     Why we are eating food?

Ans: We are eating food to keep ourselves healthy, active and workable

5.     How the amount of food vary?

Ans: The amount of food vary with ages and activities.

6.     What is the result of taking excess food or eating same?

Ans: Taking excess food or eating same kind of food are unhealthy and may cause overweight. For kids this result in loss of interest to do work and physical activities. Adult people will lose interest to work.

7.     Why we need optimum food?

Ans: We need to have optimum amount of six essential foods to meet the demand of our body

8.     The required amount of vitamin and mineral salts are very limited but essential.’

9.     Which food items are needed in larger quantities?

Ans: The major food items like carbohydrate, protein and fats are needed in larger quantities.

10.                        With what the daily nutrient requirements depends?

Ans: The daily nutrient requirements depend upon the age, height and weight of a person

11.                        Those who do physical work need more energy from food.

12.                        Write the examples of preserved food.

Ans: sun drying of paddy, rice, wheat, dry fish, fruit-pickles, Morobba atc.

13.                        Preserved food can be used later when needed.

14.                        All food items cannot be available year round.

15.                        Every country has to preserve food items for future use of their people.

16.                        Which crops can be preserved by sun drying?

Ans: Crops like paddy, rice, wheat, pulses etc. can be preserved by sun drying.

17.                        Fish, meat, vegetable, fruits etc. have too much moisture and thus cannot be preserved by drying alone.

18.                        Why fish, meat , vegetables etc. need freezing to preserve?

Ans: Fish, meat, vegetable, fruits etc. have too much moisture and thus cannot be preserved by drying alone. They can be preserved by freezing

19.                        Which food items can be preserved by high temperature?

Ans: Some food items like puffed rice (Muri in Bengali), puffed wheat (Khoi in Bengali), fruit concentrates (Amshatta in Bengali), etc. can be preserved by high temperature.

20.                        Which food items are the example of are one way of preservation?

Ans: Tomato sauces, ketchup, cheese, butter and ghee are one way of preservation.

21.                        In ice cold environment spoilage bacteria cannot grow. Fish, meat, green peas, carrot, tomato, ladies fingers etc. can be preserved in ice cold facilities for five to six months.

22.                        Where spoilage microbes cannot grow?

Ans: Spoilage microbes cannot grow in salt, sugar, vinegar and oil.By using these we can preserve food like Nona-ilish (salting), fish, olive in vinegar, berry and green peas etc.

23.                        Write the examples of artificial colour and chemicals mixed food.

Ans: Artificial colour and chemicals mixed food include drinks, sharbat, sweet, fruit balls, bread, biscuits, cakes, Chanachur, spices and even in dry fish.

24.                        Why artificial colour and chemicals are used in food?

Ans: Artificial colour and chemicals are used to make these foods attractive.

25.                        Write the examples of adulterated items.

Ans: Red chili, turmeric, rice, red-pulses, sweets, fish, fruits, coloured drinks are mixed with artificial colour. The other adulterated items are artificial colour, powdered brick, coloured wood dust, commercial dyes, dust, artificial sweeteners etc.

26.                        In food item calcium carbide, poison, formalin and saccharine etc. are used indiscriminately.

27.                        Which are junk food?

Ans: Burger, potato chips, chocolate, soft drinks- lemon and soda etc. are junk food.

28.                        What are the effects of artificial color and food on human health?

Ans: The intake of artificial colour and chemicals can cause various harms to health; of these dysfunction of liver and kidney, asthma, stop of normal growth and cancer may occur.

29.                        What contains Junk food?

Ans: Junk food contains artificial fats, tasting salts, carbonate etc. in harmful level.

30.                        The nutrient values of junk foods are none or very low.

31.                        Junk food is used as fast food, where high levels of fats, salts or sugar are there.