CBSE ADDA

VI assignments: Science: CH-6 Measurement and Motion Note- Question no. 1 to 17carried 2 marks, question No. 18 to 20 carry 3 marks. 1. Give two examples of measurement that are important in our day to day life. 2. Why do stars appears to be at rest, though they are moving very fast? 3. Is the hour hand of a clock at rest or in motion when the clock is on the wall and showing time ? 4. What kind of watch is used to measure time in a sport event and why? 5. Why does the shape of the ointment tube change when we squeeze it ? 6. A train covers a distance of 120 kms from Faridabad to Agra. Convert this distance into meters. 7. Write a note on the pendulum of Big Ben House of parliament, London. 8. A 30 cm scale has a broken end. The mark at the broken end is 1.6 cm. a) Which mark of this scale will you use for measuring the length of an object. b) How much will you subtract from the scale reading at the length of an object to

VI Science: Getting to know Plants MCQ 1) The plants which have branches at the base are ----- a) Herbs    b) Shrubs     c) Creepers     d) Trees 2) Which plant is the example of a herb? a) Mango     b) China rose     c) Wheat     d) None 3) A plant with weak stem is ----  a) Mint     b) Sunflower     c) Lemon     d) China rose 4)   The plant which takes the support of the neighboring structures and climbs up is   a) Tree     b) Shrub     c) Creeper     d) Climber 5) The part of plant which grows above the ground is ----? a) Shoot system     b) Root system     c) both a & b     d) None 6) The part of the stem in between two successive nodes is ----? a) Pistil      b) Root     c) Node     d) Internodes 7) The root, stem leaves constitute the --- part of the plant body? a) Vegetative     b) Reproductive     c) Both a & b     d) None 8) Flowers, Fruits & Seeds constitute the ---- part of the plant body? a) Veg

       C.B.S.E.2012-Sample-Papers For SA-1  IX-Physics: Chemistry : Biology : Mathematics C.B.S.E.-2012-Sample-Papers-for-IX-Physics-(5-Sets)-Summative-Assessement-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Chemistry-(5-Sets)-Summative-Assessement-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Biology-(5-Sets)-Summative-Assessement-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Science  Set-1 -Summative-Assessment-I   Download File C.B.S.E.-2012-Sample-Papers-for-IX-Science  Set-2 -Summative-Assessment-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Science  Set-3 -Summative-Assessment-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Mathematics  Set-1 -Summative-Assessment-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Mathematics  Set-2 -Summative-Assessment-I Download File C.B.S.E.-2012-Sample-Papers-for-IX-Mathematics  Set-3 -Summativ

                                CBSE TEST PAPER -2012-13  Time: 1hr.  CHAPTER: MAGNETIC EFFECT OF CURRENT        FM: 30 1. A positively charged particle (alpha-particle) projected towards west is deflected towards north by magnetic field. The direction of magnetic field is           (a) towards south (b) towards east (c) downward (d) upward. 2. A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each    (a) two revolutions (b) one revolution (c) half revolution (d) one-fourth revolution. 3. Permanent magnets are made up of (a) Alnico     (b) soft iron  (c) copper (d) aluminum.                             4. Which of the following properties of a proton can change when it moves freely in a magnetic field (a) Mass              (b) speed              (c) velocity           (d) momentum 5. The direction of the magnetic field at a poin

      Chapter Sound and Reflection of sound        O bjective:   Multiple choice Questions 1. A sound wave travels from east to west, in which direction do the particles of air move? (A) East – west                           (B) North - south (C) Up and down                         (D) None of these 2. In which medium sound travels faster ? (A) Solid                                     (B) Liquid (C) Gas                                      (D) None of these 3. What is the name of short duration wave? (A) Pulse                                    (B) Frequency (C) Time period                           (D) Velocity 4. What is the velocity of sound in water at room temperature? (A) 1500 m/s                              (B) 330 m/s (C) 1500 km/s                             (D) 330 km/s 5. The unit of quantity on which pitch of the sound depen