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Ask QuestionPosted by Vinay Sharma 4 years, 6 months ago
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Nakshatra Dey 4 years, 6 months ago
Meghna Thapar 4 years, 6 months ago
Animals provide us various food materials such as milk, eggs, chicken, meat, fish and honey. Goat, camel, cow and buffalo are milk giving animals. The hens provide us chicken and eggs. Milk is an important animal product which can be converted into other useful forms like cheese, butter, cream, curd and ghee.
Posted by Sanjay Kumar Nayak 4 years, 6 months ago
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Posted by Sunidhi . 4 years, 6 months ago
- 2 answers
Garima Mohal 4 years, 6 months ago
Gaurav Seth 4 years, 6 months ago
Proteins: Proteins performs the very essential function of helping our body grow and repair itself. These are found in food items such as milk, pulses, eggs, meat etc. Foods containing proteins are called ‘body-building’ foods.
Test for proteins: To test whether a food item contains proteins, first we need to grind it into a paste or powder form and add 10 drops of water. To this mixture when we add 2 drops of copper sulphate solution and 10 drops of caustic soda solution. After a few minutes, if the mixture turns violet, it is indicative of the presence of protein.
Fats: Fats are also responsible for providing energy to our body. In fact, they provide more energy than carbohydrates. The body uses fat as a fuel source. Fats are essential for the absorption of vitamins A, D, E and K in the body. Butter, cheese, oil are all examples of fat-rich foods.
Test for fats: To test for fats, take a small quantity of food item and wrap a piece of paper around it and proceed to crush it. After removing the paper, allow it to dry. If you see a film of an oily patch on the paper when holding it against light, it is proof that the food contains fats.
Posted by Sunidhi . 4 years, 6 months ago
- 3 answers
Garima Mohal 4 years, 6 months ago
Meghna Thapar 4 years, 6 months ago
The main carbohydrate that we eat is starch which is mainly present in wheat and rice. Wheat is used in the preparation of chapatti, bread and noodles. Rice is also used in various dishes such as idli and dosa. Good quantity of starch is also present in potatoes. The common sources of carbohydrates in our diet are cereals (maize, wheat, rice), potato, sweet potato, sugar, jaggery, honey and some fruits like mango, papaya, banana and melon. All carbohydrates provide energy to our body.
Fats provide twice as much energy as that provided by the same amount of carbohydrates. Fat is present in butter, ghee, oils, groundnut etc.
Posted by Dalia Banerjee 4 years, 6 months ago
- 1 answers
Yogita Ingle 4 years, 6 months ago
Sieving is a process by which fine particles are separated from bigger particles by using a sieve. It is used in flour mill or at construction sites. In flour mill, impurities like husks and stones are removed from wheat. Pebbles and stones are removed from sand by sieving.
Posted by Sunidhi . 4 years, 6 months ago
- 0 answers
Posted by Bijoy Debbarma 4 years, 6 months ago
- 2 answers
Sakshi Balaji Battalwad 4 years, 6 months ago
Yogita Ingle 4 years, 6 months ago
Nectar: The juicy sweet liquid secreted by within flowers which is sucked by bees and is made into honey by them
Posted by Bijoy Debbarma 4 years, 6 months ago
- 2 answers
Atreyee Datta ?? 4 years, 6 months ago
Yogita Ingle 4 years, 6 months ago
Nectar: The juicy sweet liquid secreted by within flowers which is sucked by bees and is made into honey by them
Posted by Sunidhi . 4 years, 6 months ago
- 2 answers
Yogita Ingle 4 years, 6 months ago
The main food that we eat to provide us energy is called staple food. In our country, rice, chapati and bread are staple food.
Posted by Sunidhi . 4 years, 6 months ago
- 2 answers
Yogita Ingle 4 years, 6 months ago
Omnivorous is an animal or person that eats a variety of food both plant and animal origin.
Answer: Ostriches are omnivores, which means they eat both plants and animals.
Posted by Sonia Verma 4 years, 6 months ago
- 1 answers
Gaurav Seth 4 years, 6 months ago
The changes happening over a long period of time are considered as slow changes.
Example : (a) Growing of plants.
(b) Ripening of fruits.
Both of these changes takes a long time to happen.
Posted by Davinder Singh 4 years, 6 months ago
- 2 answers
Yogita Ingle 4 years, 6 months ago
No, all living beings do not need the same kind of food. Some animals eat plants as food, and they are called herbivores. Some animals feed on other animals, and they are called as Carnivores. Some others eat food from plant sources as well as animals, and such living beings are called omnivores.
Posted by Muneer Khan 4 years, 6 months ago
- 1 answers
Gaurav Seth 4 years, 6 months ago
Photosynthesis reaction involves two reactants, carbon dioxide, and water. These two reactants yield two products, namely, oxygen and glucose. Hence, the photosynthesis reaction is considered to be an endothermic reaction. Following is the photosynthesis formula:
6CO2 + 6H2O —> C6H12O6 + 6O2 |
Unlike plants, certain bacteria that perform photosynthesis do not produce oxygen as the by-product of photosynthesis. Such bacteria are called anoxygenic photosynthetic bacteria. The bacteria that do produce oxygen as a by-product of photosynthesis are called oxygenic photosynthetic bacteria.
Posted by Avdhi Sharma 4 years, 6 months ago
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Posted by Sushant Suman 4 years, 6 months ago
- 1 answers
Atreyee Datta ?? 4 years, 6 months ago
Posted by Dharamraj Mahato 4 years, 6 months ago
- 2 answers
Posted by Shreya Vaghela 4 years, 6 months ago
- 4 answers
Atreyee Datta ?? 4 years, 6 months ago
Atreyee Datta ?? 4 years, 6 months ago
Yogita Ingle 4 years, 6 months ago
- The process of making yarn from fibres is called Spinning.
- In this process, a large number of fibres from a cotton wool are drawn out and gently twisted such that the fibres gel together to form a yarn.
- Devices used are takli, Charaka and modern day machines.
Posted by Anushtha Mishra 4 years, 6 months ago
- 1 answers
Gaurav Seth 4 years, 6 months ago
Irreversible changes : The changes in which the matter cannot be brought back to its original state are known as irreversible changes . For example , burning of paper changes it into ash and smoke. Paper cannot be obtained back from ash and smoke .
Posted by Gauranshi Singh 4 years, 6 months ago
- 1 answers
Mokshit Mrinal Sen 4 years, 6 months ago
Posted by Princy Patel 4 years, 6 months ago
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Posted by Ritan Sanphui 4 years, 6 months ago
- 1 answers
Meghna Thapar 4 years, 6 months ago
The non-living things which were once a part of living things are butter, leather, wool, cooking oil, apple, and rubber. Butter is made from milk, which is obtained from dairy animals. Viruses are infectious agents with both living and nonliving characteristics. They can infect animals, plants, and even other microorganisms. Some examples of non-living things include rocks, water, weather, climate, and natural events such as rockfalls or earthquakes. Living things are defined by a set of characteristics including the ability to reproduce, grow, move, breathe, adapt or respond to their environment.
Posted by Atreyee Datta ?? 4 years, 6 months ago
- 5 answers
Yogita Ingle 4 years, 6 months ago
Chlorophyll is the green pigment present in leaves of the plants.
Atreyee Datta ?? 4 years, 6 months ago
Posted by Ayushi Mishra 4 years, 6 months ago
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Posted by Gigi Mol 4 years, 6 months ago
- 3 answers
Avni Bhatt 4 years, 6 months ago
Posted by Gigi Mol 4 years, 6 months ago
- 2 answers
Posted by Shreya Gawas 4 years, 6 months ago
- 3 answers
Atreyee Datta ?? 4 years, 6 months ago
Gaurav Seth 4 years, 6 months ago
Food is essential for all the living organisms. Plants prepare their own food and store in their special organs as fruits, tubers, seeds etc. Animals and human beings depend on this stored food of plant. Bigger animals depend on smaller animals for their food. Human beings also depend on animals for their food.
Food Sources
- Vegetables. Vegetables are obtained from the plants.
- Roots. Radish, turnip, carrot, beetroot are some of the roots that are eaten as vegetables.
- Stem. Potato and ginger are the stems that are eaten as vegetables.
- Leaves. Spinach, cabbage, lettuce are the leaves eaten as vegetables.
Posted by Asmita Rahaman 4 years, 6 months ago
- 1 answers
Yogita Ingle 4 years, 6 months ago
There are two major types of carbohydrates (or carbs) in foods: simple and complex.
Simple carbohydrates: These are also called simple sugars. They're found in refined sugars, like the white sugar you see in a sugar bowl.
Complex carbohydrates: These are also called starches. Starches include grain products, such as bread, crackers, pasta, and rice.
Posted by Ayush Raj 4 years, 6 months ago
- 1 answers
Yogita Ingle 4 years, 6 months ago
Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same.
Posted by Kartik Kumar Mishra 4 years, 6 months ago
- 5 answers
Gaurav Seth 4 years, 6 months ago
Different types of sugars are extracted from various plant sources. The two most important sugar crops are m e n t i o n e d below :
( a ) Sugarcane
( b ) Sugar beet
Posted by Neha Kumari 4 years, 6 months ago
- 2 answers
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Nakshatra Dey 4 years, 6 months ago
1Thank You