The Weightage of Formative Assessment (FA) and Summative Assessment (SA)


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Diversity in Living Organisms class 9 solved Questions for CBSE exam

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Trend Setter Questions with Solutions : Diversity in Living Organisms  more than 150 solved Questions  One Mark Questions: 1) What is biological classification ? Ans: Grouping of organisms based on similarities & dissimilarities is called biological classification. 2) What is Taxonomy ? Ans: The systematic study of identification classification and naming of oraganisms is called taxonomy. 3) Who made 1st attempt for scientific basis of classification ? Ans : Aristotle. 4) On what morphological criteria Aristotle classified the plants ? Ans : Based on the morphological nature of the stem. 5) Based on the nature of the steam name the types of plants classified by Aristotle. Ans: Herbs, Shrubs & Trees. 6) Name the 2 kingdoms of classification ? Ans: (1) Plantae & Metaphyta (2) Animatia Metazoa 7) What are prokaryotas ? Ans: The organisms which do not have well organized nucleus in their cell are called prokaryotes. OR Organisms co...
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Obtaining and Utilization Food Class 7 Science Solved question (Basic Science Questions answers)

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A. Answer these questions 1. Name the three life process help living being to procure energy from food? Answer: Three life processes that help living organisms to procure energy from food are: (i) Digestion (Nutrition) (ii) Respiration (iii) Transportation 2. What are Autotrophs? Name an organism other than other than green plant that is an autotroph. Answer: Autotrophs are organisms that can prepare their own food. Chlamydomonas is a type of green algae which is an example of an autotroph, other than green plants. Cyanobacteria are also an example of autotroph. 3. Name three type of heterotrophic nutrition Answer: Three types of heterotrophic nutrition are: (i) Saprophytic nutrition (ii) Parasitic nutrition (iii) Holozoic nutrition 4. What are enzymes? Answer: Enzymes are chemical substances that act as biological catalysts and are important for carrying out biochemical processes, such as digestion, in our body ...
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CBSE NCERT Management of Natural Resources Notes Biology 10th

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Natural   Resources: Anything in the environment ‘which can be used’ is called ‘natural  resource’. Natural resources include total natural environment that support human life and  contribute to the production of necessities and comforts to mankind. So natural resources  are the components of atmosphere, hydrosphere and lithosphere.  On the basis of abundance and availability, the natural resources are of two types:  (a) Inexhaustible  (b) Exhaustible.  (a) Inexhaustible. These are in plenty and cannot be exhausted by man’s consumption e.g., air, sand,  clay etc, affected by over-population of mankind.  (b) Exhaustible. These are limited and can get exhausted over a period of time. i.e., coal, petroleum  etc.  Management of Natural Resources A system of controlling the use of natural resources in such a way as to avoid their wastage and to use  them in the most effective way is c...
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Class9 Biology chapter Cell the Fundamental unit of life :Assignment solved

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1. What is plasma membrane? What are their functions? Ans: Plasma membrane also called as cell membrane, is the outer covering of a cell that separates the cell contents (protoplasm) from the surrounding medium. It is made up of proteins and lipids. It gives form (shape and size) to the cell It maintains the individuality of the cell (i.e. seperates cells) It keeps the cell contents in place 2. What are cell organelles ? Ans: The certain specific living parts of a cell with a definite function are celled Cell organelles. All cell are found to have same organelles and together these constitute to the basic unit of life. 3. What is cellulose and its functions? Ans: Cellulose is the main component of a plant cell wall. It is responsible for giving structural shape to the cell and also to protect the protoplasm. 4.  What is a Prokaryotic cell? Give an Example. Ans: The cells that do not hav...
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CBSE ADDA: 9th Natural Resources-Questions from recent Board Exam with answer

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Question: Water is known as ‘A Wonder Liquid’. Justify this statement by giving any two reasons Ans : Water is known as ‘A Wonder Liquid’ because most of the chemical reaction is only possible due to water. Living organism animals, plants, microorganisms, human beings mainly contain water that makes life possible on the earth. Environment temperature, rainfall etc are maintained by water. Question: The overuse of fertilizers and pesticides is harmful for the soil. Why ? Ans: Destroys soil structure by killing soil microbes that recycle nutrients in the soil. Kills earthworms which help in making rich humus.  Question: (a) What are the two ways by which carbon dioxide is „fixed‟ in our atmosphere.(b) Which gas is produced when glucose molecule breaks down releasing energy ? Ans: (a) the two ways by which carbon dioxide is fixed in our atmosphere are: (i) Green plants convert CO2 into glucose in presence of sunlight  (ii) Many marine animals use carbonates...
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