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Chhaya Thakur 5 years, 3 months ago
Posted by Sizira ? 5 years, 2 months ago
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Yogita Ingle 5 years, 3 months ago
Adaptations in Toucan
- Long and large beak: The long and large beak helps a toucan to reach the fruits attached to the ends of even thin branches of trees which are too weak to support its weight its weight.
- The feet of toucan are adapted for grasping the branches of trees firmly.
- It abability to change colour of its feather in order to bland with the surrounding.
Posted by Khyati ?? 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
A real image is defined as one that is formed when rays of light are directed in a fixed point. A real image can be projected or seen on a screen. The best example of a real image is the one formed on a cinema screen.
Posted by Harshit Sharma 5 years, 3 months ago
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Kaushiki Suchan 5 years, 3 months ago
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Posted by Barla Vignesh 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
1:egg=proteins, fat.
2:potato=carbohydrates, vitamins nd minerals.
3:rice:starch
4:leaf vegetables: minerals
5:milk:vitamins
Posted by Rupashi Goyal 5 years, 3 months ago
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Posted by Rupashi Goyal 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
Saprotrophs
- Some microorganisms like fungi use another mode of nutrition known as saprotrophic mode of nutrition.
- The organisms undergoing this mode of nutrition are known as Saprotrophs.
- These fungal spores are present in air and grow as dark patches on the food items or other items like pickles, leather and clothes during hot, humid or rainy season.
- They sit on dead and decaying matter where they germinate and grow.
- They secrete a digestive juice that convert them to solution and absorbs the nutrients.
Posted by A.Durga Arumugam - 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
A fuse wire has a low melting point. Whenever the current flowing through an electric circuit exceeds the safety limit, the fuse wire heats up and melts down, resulting in a break in the path of current flow. This stops the flow of current in the circuit.
Posted by Sathi Manohar Reddy 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
Asexual reproduction is a type of reproduction in which only one parent is involved. There are basically 5 types of asexual reproduction. These are binary fission, budding, vegetative reproduction, fragmentation and by spores. During fission, the cellular contents are replicated internally and then are divided into two daughter cells. This is seen in bacteria. Plants reproduce asexually by vegetative propagation. In this, part of plant such as bulb, tuber, rhizome develops into a new plant. Budding is seen in yeast. In this, new organism develops from a bud at a particular site. In fragmentation, an organism physically splits and develops into new organisms from each segment. It is seen in segmented worms. Spores are produced by bacteria, fungi, algae, plants. This spore later develops into new organism.
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Yogita Ingle 5 years, 3 months ago
Fermentation is the breakdown of organic substances by organisms to release energy in the absence of oxygen. For example - The anaerobic breakdown of carbohydrates by yeasts to produce alcohol and carbon dioxide, and the bacterial breakdown of milk sugar to give lactic acid.
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Yogita Ingle 5 years, 3 months ago
A house having windows but no ventilators should not be bought. This is because warm air being lighter than cold air, rises up. This warm air can go out of the house mostly through ventilators. If there are no ventilators, then the warm air cannot go out easily.
Posted by Eknoor Singh 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
Moth
In this stage, the pupa changes into an adult moth. The female moth lays eggs after mating and thus the life cycle of silkworm begins again.
Posted by Eknoor Singh 5 years, 3 months ago
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Atharv Tripathi 5 years, 3 months ago
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Posted by Nikhil Tanwar 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
The force of attraction between any two bodies is directly proportional to the product of their masses and is inversely proportional to the square of the distance between them.
As we learned in this article that gravity is the force that pulls two bodies together, below are the examples of gravity:
- The force acting between the Sun and the Earth.
- The force that is responsible for the revolution to the Moon around the Earth.
- The tides that are caused in the ocean is due to the force from the Moon.
Posted by Aryan Raj 5 years, 3 months ago
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Parvathi B Nambiar 5 years, 3 months ago
Pawan Rana 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
The process by which plants make food is named as photosynthesis. Photosynthesis is the process in which green plants use sunlight to make their own food. Photosynthesis requires sunlight, chlorophyll, water, and carbon dioxide gas. Chlorophyll is a substance in all green plants, especially in the leaves. Plants take in water from the soil and carbon dioxide from the air. Plants can perform photosynthesis only through leaves and not by other parts of the plant. Leaves have a special green pigment called chlorophyll which helps in the absorption of energy from the sun. The chloroplast present in the cells play a vital role in this process. The various steps involved in the process of photosynthesis are given below:
- Absorption of light energy through the sun by chlorophyll present in leaves.
- Conversion of light energy chemical energy. In this process, the water molecule splits into its respective components hydrogen and oxygen.
- Carbon dioxide is reduced into carbohydrates like glucose by light energy utilizing the hydrogen and oxygen produced in the above step.
The reaction involved in photosynthesis is:
6CO2+6H20→C6H12O6+6O2
Posted by Dinesh Chaurasia 5 years, 3 months ago
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Mugdha Narwade 5 years, 3 months ago
Yogita Ingle 5 years, 3 months ago
Compounds
1. Compounds are pure substances.
2. They are made up of two or more elements combined chemically.
3. The constituents of a compound are present in a fixed ratio.
4. Compounds have fixed properties. For example, a particular compound will have fixed temperatures at which it melts and boils.
5. A compound can have properties different from its constituents, as a new substance is formed when the constituents are chemically combined.
Mixtures
1. Mixtures are impure substances.
2. They are made up of two or more substances mixed physically.
3. The constituents of a mixture are present in varying ratios.
4. Mixtures do not have fixed properties. Their properties depend on the nature of their components and the ratios in which they are combined.
5. In mixtures, no new substance is formed. The properties of a mixture are the same as the properties of its constituents.
Posted by Rudra Patel 5 years, 3 months ago
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Meghna Thapar 5 years, 3 months ago
Similarities Both thermometers are used to measure temperature and both of them use mercury. Differences Clinical thermometer is used to measure human body temperature whereas laboratory thermometer is used to measure temperature of other object which has higher temperature than human body temperature. Clinical Thermometer is meant for clinical purposes. It is developed for measuring the human body temperature. A laboratory thermometer, which is colloquially known as the lab thermometer, is used for measuring temperatures other than the human body temperature.
Posted by Atulya Singh Rawat 5 years, 3 months ago
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Js Gouthami 5 years, 3 months ago
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