CBSE ADDA

Nutrition in animals  Holozoic nutrition: It is a method of nutrition that involves the ingestion of liquid or solid organic material. It involves different steps namely, ingestion, digestion, absorption, assimilation and egestion. Human beings exhibit holozoic mode of nutrition involving five basic steps. Digestion: Digestion is the process by which complex food is broken down into simple absorbable form. Digestion of food starts from mouth and ends in small intestine Digestive system is made up of alimentary canal and associated glands. Digestive system in human beings: Digestive system in human beings is formed by alimentary canal and digestive glands. Parts of alimentary canal: It comprises different parts like mouth, oesophagus, stomach, small intestine and large intestine. It starts with mouth and ends with anus.  ingestion   The process of taking in food through mouth is called as ingestion. Mastication Teeth help in the process of mastication. Mastication is the proc

Wind Storm and Cyclone :Natural Phenomena: 7th class Hots Questions Question: 1. Why are people advised not to stand near fast moving train? Ans: When train moves with high speed it creates region of lower pressure . This low pressure push man towards the train Question: 2. Why are holes made in huge hoardings? Explain their usefulness. Ans: Holes are made in huge hoardings to reduce air pressurecausing it to flutter or blown away. Question: 3. in winter regions near, why does wind blow from land to sea? Ans:. In winter the sea become warmer quickly than the land. So In winter monsoon blows from land to sea Question: 4. Why are things colorful in appearance? Ans: The colour of object is colour that is reflected. Thus different coulor makes things colourfull. Question: 5. Fill the missing word in the blank spaces in the following statements: (a) Wind is moving air. (b) Winds are generated due to uneven heating on the earth. (c) Near the earth’s surface warm ai

Question: What do you understand by animal nutrition? Answer : Animal nutrition includes requirement of nutrients, mode of intake of food, and its utilization in the body. Question:  What are the main steps of digestion in humans? Answer :  The main steps of digestion in humans are --- (1)  Ingestion (2)  Digestion (3)  Absorption (4)  Assimilation (5)  Egestion Question: What is digestion? Answer :  The breakdown of complex components of food such as carbohydrates into simpler substances is called digestion Question: Name the process of taking in food? Answer :  Ingestion. Question: What are the different modes of taking food into the body in different organisms. Answer : Bees and humming-birds suck the nectar of plants Bees and   humming-birds suck the nectar of plants Snakes like the python swallow the animals they prey upon. Some aquatic animals filter tiny food particles floating nearby and feed upon them. Question: What are

9th Hindi (B) Question Paper sa2 SDV 2015   Download File IX Original Hindi Paper with OTBA 2014 IX Hindi Original Paper with OTBA 2014-1   Download File IX Hindi Original Paper with OTBA 2014-2 Download File IX Hindi Original Paper with OTBA 2014-3   Download File