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Ask QuestionPosted by Divya Sharma 6 years, 8 months ago
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Posted by Samyak Jain 6 years, 8 months ago
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Meghna Thapar 5 years, 6 months ago
Season and nature of the soil.
Explanation:
Season: the frequency of the soil depends much on the season. For instance, the frequency of irrigation of crop in the summer season increases as the rate of evaporation from leaves and soil become higher and in the winters the frequency of soil gets a decrease due to a lower rate of evaporation.
Nature of the soil: another important factor on which time and frequency of irrigation depend is thee nature of the soil. For instance, if the water retaining capacity is higher then there is no requirement for irrigating the soil many times as the soil possess the capacity of holding water for a long time.
Posted by Tanish Gupta 6 years, 8 months ago
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Naveen Kumar 6 years, 8 months ago
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Vipra Broliya 6 years, 8 months ago
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Meghna Thapar 5 years, 6 months ago
Milk, meat and eggs are the food products we get from animals. Animal products are rich in vitamins and proteins. Though pulses, whole wheat, corn, and so on, also give us proteins, proteins derived from animals are considered to be better than those from plant sources. Dairy cows are another type of cattle that provide us with nutritional products. There are many different dairy products but some you might be most familiar with include milk, cheese, yogurt, butter and ice cream. Other dairy products include sour cream, cottage cheese, whey, cream cheese and condensed milk.
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Meghna Thapar 5 years, 10 months ago
Microorganisms like bacteria are single cellular whereas some algae and fungi are multicellular. They are found in all types of habitats. They can live and survive in almost all kinds of environment like hot springs, ice-cold waters, saline water, desert soil or marshy land. Microorganisms can be present inside the human body or that of animals as parasites.
If we take a few drops of pond water on a slide and observe under a microscope, we can see many tiny organisms moving around. Microorganisms are also found in the soil. If we take a moist soil sample and add water to it and let it settle down for some time, and observe a drop of water from the beaker under a microscope, we see microorganisms moving around.
Posted by Noor Sohal 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
Pulmonary artery arises from right ventricle of heart. Right ventricle in turn receives blood from right atrium. Right atrium receives deoxygenated blood from all over the body through superior vena cava, inferior vena cava and coronary sinus.
So, pulmonary artery receives deoxygenated blood from right side of heart. This is nature's design that this blood enters lungs for unloading of carbondioxide and subsequent loading of oxygen can take place.
Posted by Bhavika Singla 6 years, 8 months ago
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Meghna Thapar 5 years, 10 months ago
Differences between an animal cell and a plant cell:
|
Animal Cell |
Plant Cell |
|
i. Animal cells are generally small in size. ii. Cell wall is absent.
iii. Animal cells have a single highly complex and prominent Golgi apparatus.
iv. Animals cells have centrosome and centrioles. |
i. Plant cells are larger than animal cells. ii. The plasma membrane of plant cell is surrounded by a rigid cell wall of cellulose. iii. Plant cells have many simpler units of Golgi apparatus, called dictyosomes. iv. Plant cells lack centrosome and centrioles. |
Posted by Bhumi Agarwal 6 years, 8 months ago
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Meghna Thapar 5 years, 10 months ago
Organic farming is a farming system with minimal or no use of chemicals as fertilizers, pesticides etc. and with a maximum input of organic manures, recycled farm-wastes, along with use of bio-agents and healthy cropping systems.
Posted by Kartik R Creatives 6 years, 8 months ago
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Naveen Kumar 6 years, 8 months ago
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Anish Jain 6 years, 8 months ago
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Kartik R Creatives 6 years, 8 months ago
Akash Verma 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
Exhaustible Natural Resources: Some natural resources are available in limited quantity and can be finished by human activities. Such resources are called exhaustible natural resources, e.g. coal, petroleum, minerals, etc.
Kartik R Creatives 6 years, 8 months ago
Kartik R Creatives 6 years, 8 months ago
Posted by Maninder Dhillon 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
Manure is the decomposed form of dead plants and animals which is applied to the soil to increase the production. It is a natural form of fertilizer and is cost effective. The human and animal excreta is also used as manure. The livestock manure is rich in nitrogen, phosphorus, and potassium.
Manure is highly rich in organic matter and humus and thus improves the soil fertility. These are better in the long run and does not cause any pollution. It is a valuable and renewable resource.
Posted by Abhay Singh 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
1)Synthetic fibres are very strong
2)Synthetic fibres are more durable:They have high resistance to wear and tear.Due to this,clothes made of synthetic fibres are very durable.
3)Synthetic fibres absorb very little water:Clothes made of Synthetic fibres dry very quickly. Clothes made from natural fibres do not dry quickly.
4)Synthetic fibres are wrinkle resistant:The clothes made of Synthetic fibres do not get crumpled easily during washing or wear.
5)Synthetic fibres are light weight
6)Synthetic fibres are extremely fine:The fabric made from from synthetic fibres have a very smooth texture whereas natural fibres are not so fine.
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Naveen Kumar 6 years, 8 months ago
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