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Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.

Potatoes are rich in nutrients like carbohydrates, vitamins, dietary fibre, and minerals. Potato peel provides extra dietary fiber and nutrients... View Article

While using iodine in the laboratory, some drops of iodine fell on Paheli’s socks and some fell on her teacher saree. The drops of iodine on the saree turned blue-black while their colour did not change on the socks. What can be the possible reason?

Iodine solution turned blue-black because the saree worn by Pahelis teacher must have contained starch and starch turns blue-black when exposed... View Article

Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.

Foods like burger, potato chips, pizza are delicious but are not nutritious. These contain a lot of refined flour, oil, and spices that are not... View Article

Fill in the blanks from the list of words given below. (carbohydrate, fat, protein, starch, sugar, vitamin A, vitamin C, roughage, balanced diet, obesity, goitre) (a) Egg yolk is rich in___and egg albumin is rich in_. (b) Deficiency diseases can be prevented by taking a__. (c) Eating too much of fat-rich foods may lead to a condition called. (d) The component of food that does not provide any nutrient to our body and yet is essential in our food is_. (e) The vitamin that gets easily destroyed by heating during cooking is __.

(a) Egg yolk is rich in fat and egg albumin is rich in protein. (b) Deficiency diseases can be prevented by taking a balanced diet. (c) Eating... View Article

Which of the following food items does not provide any nutrient [Milk, Water, Orange juice, Tomato soup]

Water Water is a precious natural resource. All living things need water for their survival. We cannot imagine life without water. From... View Article

Unscramble the following words related to components of food and write them in the space provided. (a) reinpot ___ (b) menliars (c) tivanmi _ (d) bocatradhyer _ (e) nitesturn (f) tfa_______

(a) protein Proteins are very large molecules composed of basic units called amino acids. In addition to containing carbon, hydrogen, and oxygen... View Article

Given below are the steps to test the presence of proteins in a food item. (i) Take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it. (ii) Make a paste or powder of food to be tested. (iii) Add 10 drops of caustic soda solution to the test tube and shake well. (iv) Add 2 drops of copper sulphate solution to it. Which of the following is the correct sequence of the steps? (a) i, ii, iv, iii (b) ii, i, iv, iii (c) ii, i, iii, iv (d) iv, ii, i, iii

b) ii, i, iv, iii To test the presence of proteins in a food item, first, make a paste or powder of food to be tested (ii), then take a small... View Article

Read the following statements about diseases. (i) They are caused by germs. (ii) They are caused due to lack of nutrients in our diet. (iii) They can be passed on to another person through contact. (iv) They can be prevented by taking a balanced diet. Which pair of statements best describe a deficiency disease? (a) (i) and (ii) (b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iii)

c) ii & iv A disease that is affected by a dietary deficiency of specific nutrients, especially a vitamin or mineral, possibly stemming... View Article

Read the food items given below. (i) Wheat (ii) Ghee (iii) Iodized salt (iv) Spinach (palak) Which of the above food items are “energy-giving foods”? (a) (i) and (iv) (b) (ii) and (iv) (c) (i) and (ii) (d) (iii) and (iv)

c) (i) and (ii) Fat and carbohydrates are energy-providing foods to our bodies. Fat is present in big quantities in ghee and carbohydrate is... View Article

Which of the following nutrients is not present in milk? (a) Protein (b) Vitamin C (c) Calcium (d) Vitamin D

b) vitamin C Vitamin D is protein, calcium is present in considerable amounts in milk whereas vitamin C is present in insignificant amount in... View Article

Which of the following sources of protein is different from others? (a) Peas (b) Gram (c) Soya beans (d) Cottage cheese (paneer)

d) Cottage cheese (paneer) Cottage cheese (paneer) is obtained from animals. It is an animal protein and peas, gram and soyabean are obtained... View Article

Which one of the following food item does not provide dietary fiber? (a) Wholegrain (b) Whole pulses (c) Fruits and vegetables (d) Milk

d) Milk Milk is an animal product and dietary fibre is a plant product. Hence, milk does not have dietary fibre. Dietary fibre is an essential... View Article

Given below are jumbled words which are names of parts of a plant. Rearrange them to get the correct words. (a) LILCHI (b) ITRUF (c) SEANBOYA (d) GURSA (e) ROUNDGUNT

(a)L I L C H I : CHILLI Litchi is a small round fruit, which has a central stone surrounded with white flesh. (b) I T R U F : FRUIT Fruit is the... View Article

Name two ingredients in our food that are not obtained from plants or animals. Mention one source for each ingredient.

Two ingredients in the food that are not obtained from plants and animals are: i) Salt- it is obtained from rocks and seawater. ii) Water- It is... View Article

Where do bees store honey?

Honey bees collect the sweet juice from flowers which is known as nectar, convert it into honey and store the produced honey in their home which... View Article

Read the clues and fill up the blanks given below each of them. (a) Honeybees suck from flower. N_ _T_R (b) Animals which eat other animals. _A _N_V_R_S (c) Animals which eat only plants and plant products. HE_B_ _ _ _ E_ (d) Animals which eat both plants and animals. _MN I_O_ _ _

(a) NECTAR. Honeybees collect nectar from flowers and make honey from it. (b) CARNIVORES. The animals which eat other animals are known as... View Article

Read each set of terms and identify the odd set. (a) Cow, milk, butter (b) Hen, meat, egg (c) Goat, milk, meat (d) Plant, vegetable, buttermilk

d) Plant, vegetable, buttermilk (a) cow, milk, butter. It is related as cow gives milk and butter can be obtained from milk. (b) hen, meat,... View Article

Given below is a list of edible plants. (i) Banana (ii) Pumpkin (iii) Lady’s finger (iv) Brinjal Which pair of plants have two or more edible parts? (a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (iv)

a) (i) and (ii) Banana has three edible parts that are fruit, flower, and stem. Pumpkin has two edible parts, which are flower and fruit. In... View Article

Below are the names of some animals. (i) Cow (ii) Sheep (iii) Horse (iv) Ox Which of the above are sources of milk for human beings? (a) (i) and (iii) (b) (i) and (ii) (c) (ii) and (iii) (d) (iii) and (iv)

b) (i) and (ii) Cow and sheep are the sources of milk for human beings.Cows, buffaloes, sheep, goat, and camels are a great source of milk.... View Article

Honeybee makes honey from (a) pollen (b) petals (c) nectar (d) bud.

c) Nectar Bees collect nectar from different flowers and convert it into honey and then they store this honey as food. Nectar is the sweet... View Article

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