CBSE ADDA

Q. Four students observed the specimens of two plants and sketched them as shown below. They noted in their notebook the identification and the names of the group to which these plants belong (a) A – moss ; Bryophyta B – fern ; Pteridophyta (b) A – pine ; Gymnosperm B – leafy plant ; Angiosperm  (c) Both A and B are moss and belong to Bryophyta  (d) Both A and B are ferns and belong to Pteridophyta. Ans: (a) A – moss ; Bryophyta B – fern ; Pteridophyta Q. A strong transverse horizontal pulse, created at one end of a string, is observed to complete 5 journeys along its length, before fading out. The initial reading of the stop clock used in the experiment was 5 s and the final reading was 55 s. If the length of the string for one journey is L metre, the speed of the pulse, through the string is : (a) (L/55) ms21 (b) (L/50) ms21 (c) (L/11) ms21 (d) (L/10) ms21 Ans: (d) (L/10) ms21 Q. To determine the speed of a pulse through a stretched string a student can choose

9th class original paper 2015 term-2 :St.Xavier senior secondary school You all can also contribute paper scaned Whataap no. 9835859669 Email: jsuniltutorial@gmail.com 9th maths Question Paper St.Savier school 2015 Download File 9th science Question Paper St.Savier school 2015 Download File

CBSE Class 10 science Board paper solution 2015 of set -021. 10 2. DNA is found inside a special area of the cell called the nucleus 3. This is because the green plant is the primary producer by trapping energy from sunlight. 4. Absolute refractive index of glass = 4/3 = c/vg => 4/3 x vg = c => 4/3 x 2 x 10^8 = c The speed of light in vacuum = c = 2.67 x 10^8 m/s Absolute refractive index of water = 3/2 = c/vw => The speed of light in water vw = 2c/3 = 1.78 x10^8 m/s CBSE Board paper solution 2015

SOCIAL SCIENCE CLASS X       BLUE PRINT OF QUESTION PAPER 2015 V.S.A S.A L.A TOTAL HISTORY 1.    NATIONALISM IN EUROPE                    OR INDO-CHINA MOVEMENT 1(1) 1(3) 1(5) 09 2.    NATIONALISM IN INDIA 1(1) 2(6) (1 MAP) 1(5) 12 GEOGRAPHY 1.    MINERALS & ENERGY RESOURCES 1(1) 2(6) (1 MAP) 1(5) 12 2.    MANUFACTURING INDUSTRIES 2(6) 1(5) 11 3.    LIFELINES OF NATIONAL ECONOMY 1(1) 1(5) 06 POLITICAL SCIENCE 1.    POPULAR STRUGGLES & MOVEMENTS 1(1) 1(3) 1(5) 09 2.    POLITICAL PARTIES 1(5) 05 3.    OUTCOMES OF DEMOCRACY 1(1) 1(3) 04 4.    CHALLENGES TO DEMOCRACY 2(6) 06 ECONOMICS 1.    MONEY & CREDIT 1(1)