CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
opening and closing of stomatal pore depends on Stomata The exchange of gasses needed for photosynthesis takes place through tiny openings called stomata. These are found mostly on the underside …
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What is Holozoic Nutrition The Holozoic Nutrition can be defined as the type of Heterotrophic Nutrition in which an organism takes the complex organic food materials into its body by …
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What is Stomata The exchange of gasses needed for photosynthesis takes place through tiny openings called stomata. These are found mostly on the underside of a leaf, and are light-sensitive, …
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The cross-section of the leaf is arranged in layers from the top to the bottom as follows – Waxy Cuticle The uppermost layer is called the waxy cuticle. The cuticle …
Read MoreMouth It is the first part of the digestive system from where the food enters into the alimentary canal.Important organs of mouth are as follows Tongue It is a highly …
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What is Emulsification of fats Emulsification of fats is the process in which large fat globules are broken down into small uniformly distributed fat particles by the action of bile …
Read MoreGastric glands in stomach release Hydrochloric acid enzyme pepsin and mucus The mucus protects the inner lining of the stomach from the action of hydrochloric acidand enzyme pepsin. If mucus …
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The length of this tract varies according to the feeding habits of the species. Herbivores and omnivores usually have longer digestive tracts, relative to their body size, than carnivores. Herbivores …
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All organisms need food to survive. Unlike animals, plants don’t obtain food by eating – they make their own food chemically, using a process called photosynthesis. This is why green …
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A plant needs light, carbon dioxide, and warmth for photosynthesis to work. When any of these factors increase, they can make photosynthesis happen faster, but only up to a limit …
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