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Ask QuestionPosted by Amit Yadav 7 years, 10 months ago
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Posted by Darshan Jain 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
The main components of foods are carbohydrates, protein, fats, vitamins and minerals. These are called nutrients. Carbohydrates are also called energy giving food. Protein helps in body growth and repairs the tissues so it is also called body building food. Fats are made up of carbon, hydrogen and oxygen. Vitamins are complex organic compounds which are essential for the growth and maintenance of our body.
Posted by Thenmozhi Nirmal 7 years, 10 months ago
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Meghna Thapar 5 years, 11 months ago
One astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It's approximately 8 light-minutes.
Posted by Rakesh Arora 7 years, 10 months ago
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Meghna Thapar 6 years ago
In our daily life we use a variety of methods to measure length like a hand-span, forearm-length or foot-step but these are not the same for all the persons. It varies from person to person. Thus, these are not the standard units of length.
Posted by Tanishika Mahawaniya 7 years, 10 months ago
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Posted by Md Abdussalam Salam Salam 7 years, 10 months ago
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Posted by Md Abdussalam Salam Salam 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
The Moon is a lifeless place. It has no air and water. The surface of the Moon is rough and uneven with large, round hollows or pits called craters. Some of these craters are hundreds of kilometres wide. Many of them have been made by large rocks that fell on the surface of the Moon. The Moon also has tall mountains and flat plains. When we see the Moon from Earth, these mountain areas look brighter than the areas with planes. The Moon revolves around Earth. It also rotates, but quite slowly. It is the only natural satellite of Earth.
Posted by Kamlesh Shukla 7 years, 10 months ago
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Aishwarya Soni 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Plants excrete excess water through stomatal pores present on leaves. This process of evaporation of water from leaves is called transpiration. When the leaves transpire, a pull is created inside the plant which compels roots to suck water from the soil. Thus, transpiration provokes conduction in plants.
Posted by Harshith Vangala 7 years, 10 months ago
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Posted by Akash Biswas 7 years, 10 months ago
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Posted by Ayush Mishra 7 years, 10 months ago
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Meghna Thapar 6 years ago
When the seeds begin to grow by developing tiny roots, they are called sprouts.
The sprouts contain more of vitamins A, B and C which makes them a more nutritious food. The method of making sprouts from seeds is called sprouting. Sprouting means the process whereby seeds begin to grow or germinate.
Posted by Mayukh Sarkar 5 years, 10 months ago
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Anushka Jha Mithi 7 years, 10 months ago
Posted by Punit Bhatarkar 7 years, 10 months ago
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Anushka Jha Mithi 7 years, 10 months ago
Posted by Jagdish Bisht 7 years, 10 months ago
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Meghna Thapar 6 years ago
An earthquake is a sudden shaking of the earth which lasts for a very short time. Earthquakes can cause immense damage to houses, other buildings, bridges, dams and people, etc.
Posted by Aadish Jain 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
There are many different types of fabric such as cotton, silk, wool, jute and synthetic. They are used to make variety of objects such as clothes, curtains, sofa covers, bed sheets and others.
Fabrics are made of yarns which in turn are made of fibres. Fibres originating from plants and animals are called natural fibres. Examples are cotton, silk, wool, jute. Fibres made by processing chemicals not directly obtained from plants and animals are called synthetic fibres. Examples being acrylic, polyester, nylon.
Fibre is converted to yarn and then yarn is converted to fabric by weaving or knitting.
Weaving: The process of arranging two sets of yarn together to make a fabric is called weaving. The big reels of yarn are called bobbins. These bobbins are used for weaving the cloth. Cloth is woven on looms. After that they bleached and dyed to give a finish.
Knitting: Knitting can be done by hand and machine. Just two yarns are used in knitting, while more than two yarns are used in weaving. Sweater, socks, scarf and caps are knitted from the wool.
Posted by Jitendra Kulkarni 7 years, 10 months ago
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Posted by Shudhanshu Choubey 7 years, 10 months ago
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Posted by Shudhanshu Choubey 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Food is the edible substance which are consumed by humans and other animals to absorb energy for various activities like physical movement, growth and development.
Edible parts of the plant
Almost all parts of the plants such as leaves, stems, roots, fruits, and seeds are considered to be edible parts.
a) Roots: We eat plant roots in the form of carrot, turnip, radish and beetroot.
b) Stem: We eat stems of some plants as in sugarcane, coriander. One form of stem tuber is potato. We also eat underground stem in the form of ginger.
c) Leaves: Many green leaves are the sources of calcium. Some leaves that we eat are spinach, cabbage, amaranthus, curry leaves etc. Onion is also a form leaf which is underground.
d) Flowers: Flowers of pumpkin, cauliflower are edible flowers. Some types of roses are also edible.
e) Fruits: We get edible fruits from many plants. Fruits can be fleshy fruits or dry fruits. e.g. mango, guava, orange, apple, pear, grapes, banana etc. Almonds, cashew nut are used as nuts.
f) Seeds: Seeds which are edible can be used as grains, pulses and oil seeds.
Posted by Punit Bhatarkar 7 years, 10 months ago
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Meghna Thapar 6 years ago
Husk is a dry or membranous outer covering (such as a pod or one composed of bracts) of various seeds and fruits (such as barley and corn).
Posted by Manisha Chand 7 years, 10 months ago
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Meghna Thapar 6 years ago
In a compass, the tiny magnet is free to rotate on a pivot or pin and always comes to rest along the North-South direction. The compass has a circular dial with various directions marked on it. The magnetic needle in a compass is enclosed in a small brass box having a glass top. The north pole of compass needle is painted with a different colour to distinguish it from the South Pole.
Posted by Vedant Pandey 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Night blindness (impaired dark adaptation) is the experience of reduced night vision. It typically causes people to not be able to see well in the darkness but be able to see without problem when it is not dark. This condition, unless accompanied by other eye pathology, is not true blindness; even at nighttime, the eye is not "blind" but occurs because the rods of the photoreceptor cells which are needed for dim light are not functioning correctly.
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