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Ask QuestionPosted by Shubham Kumar 14 hours ago
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Yogita Ingle 13 hours ago
- On the upper part of leaf there present number of small opening or pores called stomata.
- Stomata help in exchange of gases, which is intake of carbon dioxide and release of oxygen in the presence of water and sunlight by the process of photosynthesis.
- Plants prepare their food by photosynthesis.
Posted by Laxmikanta Panda 1 day, 4 hours ago
- 1 answers
Yogita Ingle 13 hours ago
The different parts of a plant that provide as food are root, stem, leaves,flowers, seeds & fruits
ROOTS : Radish, turnip, beetroot, carrot, sweet potato
STEMS : Sugarcane, potato ,onion, ginger, garlic
LEAVES :Spinach, Coriander, lettuce, fenugreek, cabbage
FLOWERS :Cauliflower broccoli, cloves, flowers of banana, Bauhinia flower
SEEDS :Gram, peas, wheat, beans, oil seeds
FRUITS :Coconut ,apple, banana, papaya ,mango
Posted by Shourya Tyagi 1 day, 7 hours ago
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Shourya Tyagi 1 day, 7 hours ago
Posted by Sneha Goswami 2 days, 15 hours ago
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Yogita Ingle 2 days, 14 hours ago
Water is being continuously used and water conservation is the major concern in the present scenario. The water cycle has helped in maintaining water on the surface of the earth for millions of years. The water circulated in water cycle takes three different forms – solid, liquid and gaseous. The solid form of water – ice, is found at the poles of the earth, the snow covered mountains and the glaciers. The liquid form is present in the rivers, lakes, seas, and oceans. The gaseous form of water, water vapor is present all around us.
Posted by Kabita Jain 2 days, 16 hours ago
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Kabita Jain 2 days, 16 hours ago
Posted by Archit Deore 3 days, 14 hours ago
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Yogita Ingle 3 days, 14 hours ago
A compass can be used to find East-West direction at any place.
Always the needle of the compass points towards North-South direction. So if North-South direction is known then East-West direction can also be known.
Posted by Madhav 07 4 days, 10 hours ago
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Shilpi Tiwari 3 days, 18 hours ago
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Virendra Vishnoi 2 hours ago
Posted by Adwitiya Kumar 6 days, 13 hours ago
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Meghna Thapar 6 days, 13 hours ago
A plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place is called chloroplast.
Posted by Shree Tiwari 6 days, 15 hours ago
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Posted by Aakriti Yadav 6 days, 18 hours ago
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Virendra Vishnoi 2 days, 12 hours ago
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Posted by Balaji Temkar 1 week ago
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Yogita Ingle 1 week ago
Air is a mixture of gases, water vapour and dust particles. Some of the gases; present in air; are discussed below.
Nitrogen: Nitrogen is the largest component of air. Nitrogen makes up 79% of air around us. Nitrogen is used by plants to make protein. Plants cannot take nitrogen directly from the air. Some nitrogen fixing bacteria live in soil. They help in nitrogen fixation in soil. Thus, plants are able to take nitrogenous compounds from the soil.
Oxygen: Oxygen is the second largest component of air. Oxygen makes up 21% of the air around us. Oxygen is used by living beings for respiration. After respiration, the living beings produce carbon dioxide.
Carbon dioxide: The remaining 1% of air is composed of carbon dioxide, many other gases, water vapour and dust particles. Carbon dioxide is also important for living beings. Plant need carbon dioxide to make food during photosynthesis. During photosynthesis, plants take in carbon dioxide and release oxygen. Thus, green plants help in maintaining the balance of carbon dioxide and oxygen in atmosphere.
Posted by Tanu Raghav 1 week, 2 days ago
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Meghna Thapar 6 days, 13 hours ago
- The leaves of the desert plants are either absent or are very small or may be present in the form of spines to reduce the loss of water through transpiration.
- In desert plants, the spines or stems are modified to perform the function of photosynthesis.
Posted by Tanaz Kasad 1 week, 2 days ago
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Yogita Ingle 1 week, 2 days ago
Autotrophs are the organisms which exhibit autotrophic mode of nutrition. Autotrophs are organisms which can synthesise their own food by the process of photosynthesis. Plants and some bacteria that can synthesise their own food and are called as autotrophs.
Posted by Princepal Singh 1 week, 2 days ago
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Yogita Ingle 1 week, 2 days ago
The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.
Posted by Tejasvini Rathod 1 week, 3 days ago
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Tejasvini Rathod 1 week, 3 days ago
Posted by Ved Creation 1 week, 3 days ago
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Yogita Ingle 1 week, 3 days ago
The mountain habitat is very cold and snowfall takes place in winters in some areas.
The trees of the mountain habitat are cone-shaped. The leaves of such trees are needle-shaped. The needle-shape of leaves helps in preventing accumulation of snow on the leaves and thus they are not damaged due to snow.
Animals in the mountain habitat have thick coat of fur. This helps in keeping them warm during very cold winters. The mountain goats have strong hooves which help them in running along the mountain slopes. Yak and snow leopards are common examples of animals in the mountain habitat.
Posted by Ajay Jate 1 week, 3 days ago
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Meghna Thapar 1 week, 3 days ago
Aqua regia is a mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to attack gold and other resistant substances.
Posted by Ray Ram 1 week, 3 days ago
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Posted by Venk Venkatesh 1 week, 4 days ago
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Meghna Thapar 1 week, 3 days ago
Recycling of Paper:
Recycling of paper is done by the following method:
- Take some old newspapers, magazines, used envelopes and notebooks or any other waste paper and tear them into small pieces and put them in a tub.
- Put some water into the tub so that the pieces of paper remain submerged in water for a day.
- Make a thick paste of paper by pounding it.
- Take a fine wire mesh fixed to a frame and spread the thick paste of paper on it.
- Pat it gently to obtain a uniformly thick layer of paper paste. Wait till all the water from paste drains off.
- A sheet of old cloth or a newspaper can be used to soak up extra water present in the layer of paper paste.
- Remove the layer of paper paste from the wire mesh carefully and spread it on a sheet of newspaper kept in the sunshine to remove all the water left in the layer of paper paste and make it completely dry.
- This dried and thin layer of paper paste is the recycled paper.
Posted by Indu Devi 1 week, 5 days ago
- 1 answers
Yogita Ingle 1 week, 5 days ago
A snail propels itself by deforming a layer of mucus beneath it via muscular contractions in its foot muscle. This unique form of locomotion allows snails to traverse almost any obstacle, including the ability to climb steep inclines.
Thus, the locomotory organ in snail is the 'muscular foot'
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