Skip to main content

Posts

Class7 chapter Soil Living science question answer

A. MULTIPLE-CHOICE QUESTIONS: Choose the most appropriate answer. 1. Humus and the smallest particles of rock form the a. A-horizon. b. B-horizon. c. C-horizon. d. bedrock 2. Which of these has the smallest size of particles?  a. sand b. silt c. clay d. gravel 3. Which type of soil is best for growing cotton?  a. sandy b. clayey c. loamy d. sandy-loam 4. Which of these does not cause weathering'? a. clouds b. wind c. flowing water d. freezing of rainwater 5. Water percolating into the soil collects over a. A-horizon. b. B-horizon. c. C-horizon. d. none of these 6. Water logging can be expected in soil which is rich in a. sand. b„ clay. c. silt. d. humus. 7. Paddy grows best in a. clayey soil. b. loam. c. sandy soil. d. sandy-loam. Answer. 1. a 2. c 3. d 4. a 5. d 6. b 7. a B. VERY SHORT-ANSWER QUESTIONS: Give one-word answers. 1. Breaking down of rock into smaller pieces by natural forces is called ----. 2. Which absorbs more water—sandy soil or cl

Class - IX C.B.S.E. Hindi and English Sample Papers Septamber 2016 SA.-I

Class 09 Question papers Summative Assessment – 1 Sample Papers Septamber 2016 SA.-I Mathematics                 Science Social Science              English, Hindi and Sanskrit Class 09 Question papers Summative Assessment – 2 Mathematics                Science Social Science            English, Hindi and Sanskrit Class 10 Question papers for Summative Assessment -I_2016 – 1 [links] Mathematics               Social Science Science                       English, Hindi and Sanskrit Class 10 Question papers for Summative Assessment-II_2016 – 1 [links] Mathematics              Science Social Science         English, Hindi and Sanskrit                 Class - IX C.B.S.E. Hindi Sample Papers SA-I C.B.S.E.-2011 Sample Papers for IX Hindi Download C.B.S.E.-2011 Sample Papers for IX Hindi Download C.B.S.E.-2011 Sample Papers for IX Hindi Download C.B.S.E.-2011 Sample Papers for IX Hindi Download Class - IX C.B.S.E. Eng

Class7 living science Heat and its effect

Living science Heat and its effect questions with answer Ratna Sagar Publication For CPS Samastipur A. MUCUPLE-CHICE QUESTIONS: Choose the most appropriate answer. 1. Heat causes  a. change of state. b. change of temperature. c. expansion. d. all of these Ö 2. Heat causes expansion because  . heat occupies space.        b. of increase in the movement of molecules Ö c. matter tries to escape from the heat. .  d. none of the above is true—it is not yet known why heat causes expansion. 3. Which of these will expand the most on heating?         a. gold              b. water            C. mercury        d. air Ö 4. 0 0 C is the same temperature as  a. 0 °F b. 212 "F. c. 32 °F Ö  d. 100 °F. 5. A bimetallic strip is made of metals M1 and M2. On cooling through the same temperature, M 1 contracts more than M 2  When the strip is heated, it will a. bend towards M 1 .      b. bend towards M 2 . Ö     c. not bend at all.          d. direction of bending

7th Science Fibre to Fabric- Facts more to Know

MORE TO KNOW  1. Australian scientists have invented a way of removing wool from Sheep without shearing.  The new wool harvest technology is called Bioclip . 2. Pure silk is one of the finest natural fi bres and is said to be the “queen of fi bres” 3. It is believed that silk was fi rst discovered in China by the Empress Si Ling Chi 4. India is the world’s second largest producer of Silk.    Kancheepuram, Siruvanthadu,Thirubhuvanam and Arani are famous for silk in Tamil Nadu. 5. The types of silk are  1. Mulberry silk             2. Tassar silk                 3. Eri silk         4. Muga silk                  6. Composition of Honey.     Sugar - 75%           Water - 17%       Minerals - 8% 7. There are three kinds of bees in a bee hive.  a.. The queen bee ( fertile female bee).       b. The drones (fertile malebees)    c. The workers (sterile female bees) 8 The rearing of honey bees to produce honey in large scale is kno