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Ask QuestionPosted by Lucifer ? Morningstar? 5 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole.
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Posted by Tenzin Syilnon 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
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Biodegradable wastes |
Non-biodegradable wastes |
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1. These wastes can be broken down into non-poisonous substances by the action of microorganisms like bacteria and earthworms. |
1. These wastes cannot be broken down into harmless substances by any biological processes. |
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2. Biodegradable substances change their form and structure over time and become harmless. |
2. Non-biodegradable substances remain unchanged over a long period of time. |
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3. They do not pollute the environment. |
3. Some of them remain inert and begin to accumulate in our surroundings, while others cannot be made less toxic easily and hence keep on polluting the environment. |
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Examples: Spoilt food, vegetable peels, tea leaves, wood, grass, paper, leather, cotton, cattle dung etc. |
Examples: Glass bottles, metal cans, polythene bags, synthetic fibres, radioactive wastes, plastics and pesticides like DDT etc. |
Posted by Atul Rana 5 years, 5 months ago
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Metasys Laboratories 5 years, 5 months ago
Meghna Thapar 5 years, 5 months ago
The fate of the Kharif crops depend on the performance of the southwest Monsoon. Good rains during the season result in bountiful crops which further benefit the farmers. A major portion of the country's crop area is completely dependent on Monsoon rains as they're not equipped with methods of manual irrigation.
Posted by Afzal Shaikh 5 years, 5 months ago
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Posted by Nitika Sharma 5 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
“Sustainable development is development that meets the needs of the present, without compromising the ability of future generations to meet their own needs.” ... Its all about meeting the diverse needs of people in different communities, social cohesion, creating equal opportunity to ensure a strong and healthy society.
Posted by Priyanshi Joshi 5 years, 5 months ago
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Md Ammar Azam 5 years, 5 months ago
Posted by Atul Sanoria 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Crops that are grown for human consumption are known as food crops. Two staple food crops of India are rice and wheat.
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Meghna Thapar 5 years, 5 months ago
Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. This is called multiplication. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture.
Posted by Nandini . 5 years, 5 months ago
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Posted by डिस्को बाबा Yo 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
- Static friction : It is the friction which comes into notice when one body is just in contact with other body but there is no relative motion.
- Sliding friction: It is the friction offered when one body slides over another body. For example, a wooden block is moved over the flat surface of the table. Static friction is always high in its magnitude.
- Rolling friction: It is the friction when one body rolls over the surface of another body. This force slows down the motion of a rolling object. This opposing force comes into play when one body actually rolls over the surface of another body. For example, roller skates have wheels that help in moving very fast.
Posted by Pooja Kachwah 5 years, 5 months ago
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Posted by Surinder Singh Pundir 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Nitrogen-fixing bacteria (free-living or symbiotic) mostly found in the roots of leguminous plants convert atmospheric nitrogen to ammonia.
During lightning, the high temperature and pressure created in the air convert nitrogen to oxides of nitrogen.
These oxides dissolve in water to give nitrous and nitric acids which fall to the land along with rain.
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Agriculture is a primary activity that involves growing of crops, fruits, vegetables, flowers and rearing of livestock.
(ii) Factors influencing agriculture are:
- Topography
- Climate
- Soil
- Technology
- Population
Posted by Shakshi Maurya 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Blue Green algae are a type of photosynthetic bacteria consisting either of single cells or colonies which is also known as the Cyanobacteria. Cyanobacteria contain only one type of chlorophyll, Chlorophyll a, a green pigment. In addition, they also contain pigments such as carotenoids, phycobilin.
These bacteria grow naturally in marine and freshwater systems. They thrive in dams, rivers, reservoirs, lakes and even in hot springs. These bacteria normally look green and sometimes turns blue when scum are dying. Almost all species of these bacteria are buoyant and float on the water surface and forms floating mats.
Posted by Golden Gupta 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Kharif: Kharif crops are grown in the rainy season, i.e. during monsoon. Kharif crops are usually sown in June and harvested in September. Kharif crop needs high temperature and plenty of rainfall to grow properly. Paddy, maize, soyabean, groundnut and cotton are examples of kharif crop. Paddy is the main kharif crop in India.
Rabi: Rabi crops are grown in winter season. Rabi crops are sown in October and harvested in March. Rabi crop needs mild temperature and moderate water to grow properly. Wheat, gram, mustard, pea and linseed are examples of rabi crop. Wheat is the main rabi crop in India.
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Metasys Laboratories 5 years, 5 months ago
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