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Ask QuestionPosted by Pragya Bharti 5 years ago
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Posted by Mohit Mohanty 5 years ago
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Yogita Ingle 5 years ago
Weeds are unwanted plants. They grow with crops. They compete for nutrients and water with main crop. So weeds are very harmful. Process of controlling the weed is called weeding. Weeding is done manually by using khurpi and by using mechanical machines. Weeds are also controlled by using some chemical substances like 2, 4-D. These chemicals are called weedicide and used to kill and destroy the weed.
Posted by Mohit Mohanty 5 years ago
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Posted by Mohit Mohanty 5 years ago
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Posted by Ruhi Bansal 5 years ago
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Shristi Singh 5 years ago
Mohit Mohanty 5 years ago
Meghna Thapar 5 years ago
Petroleum is referred to as 'black gold' because when crude oil is extracted from the land it is black in colour. People call it gold because of its oils and value. This is because when crude oil is extracted from the land it is black in color. This resource is compared to gold due to its valuable properties and worth too. Its many components have a lot of commercial value.
Posted by Siva Chidambaram 5 years ago
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Yogita Ingle 5 years ago
Here, some of the most notable uses of electricity on a daily basis are mentioned.
- Entertainment: Today, the modern sources of entertainment starting from listening to music from MP3 players, watching Television, playing movies in DVDs or VCDs or VCRs runs on electricity.
- Healthcare: We can see the use of electricity for operating modern technologies every day. These surgical operations won’t even start without electricity. For example, the doctors need a powerful light during an operation on a patient and without electricity, the light won’t function, and operation can prove fatal.
- Engineering: onstructions of buildings and structures for the convenience of people require electricity in every step. Building houses, installing gates and windows, welding of materials require current electricity to operate the machines.
- Transport and Communication: Reaching places or communicating from a different corner of the world is only possible because of electricity. A power cut during airline travel can be dangerous.
- Outdoors
- Household
- Commercial
- Office
- Fuel
- Space
Posted by Akshita Yadav 5 years ago
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Yogita Ingle 5 years ago
Coal is a complex mixture of carbon, hydrogen and oxygen compounds.
Uses of coal
1)It is used as a fuel in homes and industry.
2)It is used as a fuel at thermal power plants for generating electricity.
3)It is used to make coal gas which is an important industrial fuel.
4)It is used to make coke.
Posted by Atul Maurya Maurya 5 years ago
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Posted by Manoj V 5 years ago
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Yogita Ingle 5 years ago
The most important function of the small intestine is the absorption of nutrients from food that passes through the tract. This large surface area allows for efficient uptake of nutrients. This efficiency is increased even more because each cell in the villi has microvilli on their surface. Hence the absence of this villis will decrease nutrient and digested food absorption by intestinal walls leading to severe nutritional disorders.
Posted by Rishika Agarwal 5 years ago
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Yogita Ingle 5 years ago
1) Friction comes into play when irregularities present in the surfaces of two objects in contact get interlocked with each other. In sliding, the time given for interlocking is very small. Hence, interlocking is not strong. Therefore, less force is required to overcome this interlocking. Because f this reason, sliding friction is less than static friction.
2) Along with several other brake system components, the brake pads are responsible for stopping a vehicle. They are made with special materials that maximize friction. When the brakes are applied, the brake pads grip the sides of the wheel that creates friction that slows and stops the bike.
Posted by Trupti Dhage 5 years ago
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Mohit Mohanty 5 years ago
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Yogita Ingle 5 years ago
Microorganisms- A living organism that is very minute to be seen by the naked eye, especially a single celled organism, such as a bacterium is called microorganism. Microorganisms are classified into four major groups mainly bacteria, fungi, protozoa and some algae.
Posted by Shivansh Chaturvedi 5 years ago
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Ravi Singh 5 years ago
Posted by Shivansh Chaturvedi 5 years ago
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Yogita Ingle 5 years ago
Buddhism |
Jainism |
Rebirth is one of the principal beliefs in Buddhism. It is thought that the endless cycle of birth and re-birth can only be broken by attaining <i>Nirvana </i>(Enlightenment) | Jainism believes that the circle of rebirths and deaths will continue due to good or bad deeds until liberation is achieved |
Scriptures include <i>Tripitaka</i>, which is a vast text consisting of 3 sections: the Discipline, the Discourse and the Commentaries. | Jain religious texts are called <i>Agamas</i> |
The principal teaching of Buddhism is that life is suffering and to escape suffering (end cause of desire) one needs to dispel ignorance by realizing the Four Noble Truths and practising the Eightfold Path | Jainism lays emphasis on the respect of all living beings. Liberation from the cycle of rebirths is attained by taking the Five Vows and following the principles of the Three Jewels |
Sin is not a concept in Buddhism | Sin is defined as harm to others |
Buddhism is divided into two major sects upon the death of Gautama Buddha. They are the Mahayana and the Theravada | Svetambara and Digambara are the two major sects of Jainism |
According to some texts in Buddhism, there are beings in heaven but they are bound by “<i>samsara”</i>. They suffer less bu they ave, not yet achieved salvation | Deities in Jainism are known as <i>“Titrtheneakas”. </i> But they are not worshipped in the conventional sense as they are regarded as wise teachers whose teachings must be followed |
Posted by Shivansh Chaturvedi 5 years ago
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Pragya Bharti 5 years ago
Yogita Ingle 5 years ago
The cell wall is the outermost layer in a plant cell. It provides structural support and rigidity for the plant body.
The cell membrane is also called the plasma membrane. It provides protection for the cell and its cellular components from the external environment. It is selectively permeable and regulates the movement of molecules in and out of the cell.
Posted by Ankit Verma 5 years ago
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Yogita Ingle 5 years ago
In 1757, an 8-year-old boy was inoculated with smallpox in Gloucester (4); he was one of thousands of children inoculated that year in England. The procedure was effective, as the boy developed a mild case of smallpox and was subsequently immune to the disease. His name was Edward Jenner.
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Pragya Bharti 5 years ago
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*Crop rotation* is the Practice of growing a series of dissimilar or different types of crops in the same area in sequenced season.It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield.
Shraddha Mangalwad 5 years ago
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Posted by Bhumi Modanwal 5 years ago
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Posted by Bhumi Modanwal 5 years ago
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Yogita Ingle 5 years ago
Animals that lay eggs are called oviparous. In oviparous animals, fertilization takes place internally but embryo development takes place externally.
The eggs of birds such as hen and duck carry immature embryo in them. The hard shells of eggs protect them from damage. Once the fetus is matured, the egg hatches. The trait of egg-laying animals is known as oviparity.
Posted by Shalini Kumari 5 years ago
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Yogita Ingle 5 years ago
Coercion: Forcing someone to do something. In the chapter, the term refers to the force used by a legal authority such as the State.
Intervene: In the chapter, the term refers to the State’s efforts to influence a particular matter in accordance with the principles of the Constitution.
Posted by Arshiya Bhatia 5 years ago
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Sodium and Potassium are highly reactive metals and react vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire. To prevent this explosive reaction, Sodium is kept immersed in kerosene because Sodium doesn’t react with kerosene.
Posted by Siva Chidambaram 5 years ago
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Pragya Bharti 5 years ago
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