CBSE ADDA

CBSE PHYSICS: IX Motion And Rest Formative Check Points For FA-01.. : Q. Define terms (i) One radian (ii)  Angular displacement (iii) Angular velocity Answer: One radian is defined as the angle subtended at the centre of the circle by an arc equal in length to its radius. Angular displacement : In a circular motion, the angular displacement of a body is the angle subtended by the body at the centre in a given interval of time. It is represented by the symbol  q  (theta).                                Angular velocity : The angular displacement per unit time is called the angular velocity. it is represented by the symbol  w (omega). Angular velocity  w  =  q /t In figure, the arc AB of the circle has length  l   and subtends an angle  q  at the centre C Click on given link to read full post:   Check Points For FA-01

 CBSE Class 7 th Nutrition in plants and animals :  Formative Assessment  Q. What is food? Answer: Food is fuel for living things. Q.  Why we need to eat food? Answer: Food is a basic need for all living things to live fit and active. It is because food provides energy to all living body to do their life activities. Food also helps to grow and build their bodies. Q. What are nutrients? Answer: Chemicals present in food that nourish body are called nutrients. They are Carbohydrates, Fats, protein, Vitamin, minerals, Water and roughage. Q. What is nutrition? Answer: The process of taking and utilization of food by the body is called   nutrition . Q. What are the different modes of nutrition? Answer: Autotrophic, Heterotrophic, parasitic and Saprophytic nutrition. Q. What are Autotrophic and Heterotrophic nutrition? Answer: The mode of nutrition by which green plants utilize their own prepared food

Book Reading Science Power class 8 th SRIJAN publications Check point -01[Formative] Q. Why cotton or rice cannot be grown in winter or wheat in rainy seasons? Answer:  Cotton or rice cannot be grown in winter as they require lot of water where as  wheat cannot be grown in rainy seasons as they need much less rain and low temperature. Q. Name the main cereal crops grown in India? Answer: Rice, wheat, maize etc. are the main cereal crops grown in India. Q. Name the crops seasons in India .Why do we have different crops seasons? Answer: Rainy season(Kharif crops) and winter season (Rabi crops)are two main crops seasons in India. We have different crops seasons as different crops required different climatic conditions like temperature, humidity and rainfall. Q. Give reason why Kharif crops cannot be grown in Rabi season? Answer: Kharif crops cannot be grown in Rabi season because they need lot of water. Q. Name three crops plants grown in Kharif seasons.

School Details By Jsunil[Maths and Science Teacher] Visit:   http://www.centralpublicschool.net School Motto:  "Excellence through Self-motivation" We believe in hard work. This is a fast changing and highly competitive world and we reckon that only self-motivation can keep us focused and good education combined with hard work can help us achieve our goals. School Name : CENTRAL PUBLIC SCHOOL Principal: MR. MD. ARIF  Day or Residential: DAY Available Classes: 12 Medium: ENGLISH Type: CO-ED Board of Education: CBSE Address : TAJPUR ROAD , SAMASTIPUR-848101 BIHAR ; Phone 6274 - 222970 For study material prepare by Jsunil you may Visit:  http://jsuniltutorial.weebly.com/