CBSE ADDA

A. MULTIPLE-CHOICE QUESTIONS: Choose the most appropriate answer. 1. Which of these is multicellular? a. Paramecium b. Amoeba c. bacteria d. mushroom 2. The egg of a hen is a a. cell. b. tissue c. organ d. organ system 3. Which of these is not present in an animal cell? a. mitochondria b. nucleus c. cell membrane d chloroplasts 4. Which of these is the control centre of the cell? a. nucleus b. cytoplasm c. mitochondria d. protoplasm 5. Which organelles are responsible for energy production in a cell? a. vacuoles b. chloroplasts c. mitochondria d. Golgi bodies 6. Which of these is not stated by the cell theory? a. Cells are the ba

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 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