CBSE ADDA

Class 6 Chapter 01 Source of Food (Cordova learning Series Science-6) Fill in the blanks: 1. We get sugar from _Sugarcane________ 2. We get milk from __Cow ____ and ___buffalo______. 3. Honeybees store honey in their ___ honey stomach _________. 4. _Rice __ and ___water___are two ingredients of boiled rice. 5. Animals that eat both plant products and flesh of other animals are called _Omnivores___ 6. Bacteria and fungi are called ____ decompose ____. 7. We should not ___waste_ food in any way. 8. Honeybees are kept in __ beehive ___ for rearing. Very Short Answer Questions: 1. What are the animals that eat only plants and plant products called? Ans: Herbivores 2. Name four food items we get from animals. Ans: Egg, Meat, milk, Ghee 3. Name two edible stems. Ans: Potato , sugarcane 4. What are the materials needed to prepare food items called? Ans: Ingredients 5. What is the rearing of honeybees on a large scale called? Ans: apiculture 6. Name two plants whose flowers are eaten as

B. Fill in the blanks: 1. Alpaca is generally found in South America. 2. Silk and wool fibres are obtained from animals. 3. Silk is obtained from cocoons of silkworm. 4. Natural fibres are obtained from plants and animals. 6. The fewer the burrs, the better is the wool. 7. The eggs are warmed to a suitable temperature in an oven 8. During the period of spinning of its cocoon, a silkworm is transformed into Pupa. C. State whether the following statements are True (T) or False (F). Rewrite the false statements correctly: 1. Silk is obtained from cocoons of silkworms. (T) 2. The process of washing the fleece of sheep to remove dust, dirt, sweat and grease is called shearing. False Scouring. 3. The rearing of silkworms for obtaining silk is called sericulture. T 4. The damaged or waste cocoons are used to produce raw silk. F Spun silk D. Very Short Answer Questions: 1. What is the process of removing the burrs from fleece called? Ans. Combing 2. Name any two breeds of sheep found in

Class 8th Time and Work-1 8th Time and work Test paper solved 2018-1 Download File 8th Time and work Test paper solved 2018-2 Download File For more Download Class VIII Mathematics VIII Algebra                       VIII Commercial Maths             VIII Geometry & Mensuration 1. Ramdin can reap a field in 30 days. What part of the field would he have reaped in 25 days? 2. If 12 men working 8 hours a day can construct a shed in 5 days, then in how many days will 8 men working 10 hours a day complete the same job? 3. Three ants separately can gobble a dead grasshopper in 3, 4 and 6 days respectively. How many days will they take together to finish off the poor chap? If the grasshopper weighs 63 grams, find the share of each. 4. If a chicken lays an egg and a half in a day. how long does it take to get a dozen eggs from a chicken? 5. A dozen pens cost 15 rupees. How much would a hundred pens cost? 6. 400 grams cake costs 80 rupees. How

Question paper 2018 class9 by SDV samastipur ⥈⤘Pls share/mail this paper to CBSE so that paper in nest exam prepared by Board according to cbse syllabus ✍✋ Question: What is Zeeman effect Ans: The Zeeman effect is the splitting of the spectral lines of an atom in the presence of a strong magnetic field. The effect is due to the distortion of the electron orbitals because of the magnetic field. Question: What is Stark Effect in Atomic Spectra. Ans: The splitting of atomic spectral lines as a result of an externally applied electric field is called the Stark effect Question: why was gas at low pressure is taken during discharge tube experiment for discovery of electron? Ans: Gas at low pressure is taken during discharge tube experiment so that the electrons in the beam cannot be deflected if they hit molecules of gas. Question:if Rutherford mode is correct than why atom should collapse? Ans: if we apply magnetic theory to Rutherford model of atom then electron will loose ener