SUB: PHYSICS CLASS: XI

Transcription

1 Class 11 English application for job, enquiry letter, poster, advertisement, to learn done chapters. शरद अवक श ग ह क यय हहन द क XI. 1ववत न- ऱत म ग शकर-प रशन त तर लऱखन द ऩ वऱ -ननब ध 5.2,म र भ रत,आत कव द, जनसख य,प रद षण क य यऱय ऩत र गद य ववद ई स भ षण, गऱत ऱ ह, स ऩ नत म ब ररश प रश न उत तर. 5 ऩद य व आ ख,घर क य द,चम ऩ क ऱ क ऱ अच छर क प रश न उत तर SUB: PHYSICS CLASS: XI 1. Complete all the practical work in your practical notebook/class notebook. 2. Do practice for NCERT exerciseproblems and exemplar problems from Unit measurement to Gravitation. Do practice for all the derivations done in your notebook.

2 CLASS XI MATHS (XI A/C) Q1. DO ALL THE SOLVED EXAMPLES OF CHAPTERS OF 1 TO 9. Q2. LEARN ALL THE FORMULAE,DEFINITIONS AND BASIC CONCEPTS OF THE CHAPTER 1 TO 9. Q3. LEARN AND REVISE CHAPTER 1 TO 9 FOR HALF YEARLY EXAMS. Q4. DO WRITTEN PRACTICE OF FORMULAE OF CHAPTER TRIGNOMETRIC FUNCTIONS,COMPLEX AND QUADRATIC EQUATIONS,PERMUTATION AND COMBINATION,BINOMIAL THEOREM,SEQUENCE AND SERIES.

3 CLASS XI -BIOLOGY Write answers and learn following questions- 1. Explain the process of secondary growth in a dicot stem with the help of schemetic and labeled diagrams. What is its significance. 2. Write anatomical differences between monocot and dicot stem. 3. Write thetechnical description of any one family of Flowering plants FABACEAE or SOLANACEAE and draw its floral diagram. 4. Explain the structure and function of different types of (a) Epithelial tissue and (b) Muscle tissue 5. Explain the structure of stomatal apparatus with diagram in monocots and dicot plants. 6. Define- (a) Casparian strips (b) Stele (c) Medullary rays 7. Draw a diagram of a typical plant cell and label any six parts. 8. Write one function each of the following body parts of cockroach (a) crop (b) Gizzard (c) Malpighian tubules

4 Home Work Autumn Break Class XI Computer Science (083) 1. Q. 2. a).. A new age computer technology i.e., internet based and utilizes web based services whenever and wherever the users need it. b) Which is the fastest memory? c) What is the difference between compiler and interpreter? d) Define following: i. Operating System ii. Parallel Computing e) Write difference between SRAM and DRAM. f) Prove De-morgan's law using truth table. a) Convert following 1) (10110) 2= () 8 2) (456) 8= () 16 b) Write full form of following 1)ASCII 2)ISCII c) Define proprietary software and write any two example. d) What is data? What is output of data processing system? e) What is bit? How bit, byte and nibble are related with each other? f) What is application software? Write any two example. Q. 3. a) What is the difference between a keyword and an identifier? b) From the following, find out the valid identifier: _abc_d, break, 1rak, doc14, a2bc5, _punc, ray.dat c) What is None literal in python? d) What will be the output produced by following code fragment? x, y= 20, 60 Q. 4. y, x, y=x, y-10, x+10 print (x, y) a) What are data types? What are python's built in core data types? b) What do you understand by term 'immutable'? Explain with a suitable example. c) What will be the output of the following code and why? a,b,c=0.1 d=0.3 e=a+b+c-d f=a+b+c==d print(e) print(f) d) What will be the output of following Python code? a=12 b=7.4

5 c=1 a-=b print (a, b) a*=2+c print(a) b+=a*c print (b) e) Write a program to determine if the number is even or odd. Q. 5. a) What is the output of the following lines of code? if int('zero') == 0: print("zero") elif str (0) == 'zero': print (0) elif str (0) == '0 ': print (str (0)) else: print ("none of the above") b) What is the output produced by the following code? x=1 if x>3: if x>4: else: printf("a",end=' ') print("b",end=' ') elif x<2: if (x!=0): print("c", end= ' ') print("d") c) Write a Python script to print Fibonacci series' first 20 elements. Some initial elements of a Fibonaci series are: d) Write programs using nested loops to produce the following patterns: Q. 6. A A B A B C A B C D A B C D E A B C D E F a) Write a program to find the second largest number of a list of numbers. b) Identify the errors in the following code: i. L1 = [1,2,3,5] ii. L1 = [1,3,5,8] An = L1.remove(7) An = L1.remove(8) print(an + 2)

6 c) Find out the output of following code segment: numlist = [2,5,2,3,6,6,9] pos=0 odds=evens=0 length=len(numlist) while pos<length: if numlist[pos]%2==0: evens=evens+1 else: odds=odds+1 pos=pos+1 if odds>evens: print("balanced oddity") d) Write a program that reads a string and checks whether it is a palindrome string or not. e) Find the errors in the following code s="pura VIDA" s1=s [ : 5] s2=s [ 5 :] s3=s1 * s2 s4=s2 + '3' s5=s1+3 Q. 7.a) What do you mean by Syntax errors and Semantics errors? Answer with example. b),how are tuples different from list when both are sequences? c) Consider the following code and then answer the question that follow mydict={'a':27,'b':43, 'c':25, 'd':30} vala='' for I in mydict: if I > vala vala=i valb= mydict[i] print (vala) #Line1 print (valb) #Line2 print (30 in mydict) #Line3 mylst= (mydict.items()) mylst.sort() print (mylst[-1]) #Line4 Write the output of the Line 1,2,3 and 4 d) What type of objects can be used as keys in dictionaries? Also explain why?

7 Chemistry Class XI A 1. Complete revision of syllabus for Half Yearly exam. 2. Complete your Science Project Files/Models for National Science Congress and Science Exhibition. 3. Write all important Definitions, Laws and Formulas from Chapter 1 to 8 in your notebook.

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9 XI C ACCOUNTANCY, LESSON JOURNAL Q N. 6,7,8 LESSON ACCOUNTING EQATION 5,6,7, LESSON,--CASH BOOK-- QN. -8,9,10, SUBSIDIARY BOOK Q.NO. 1,23,4, TRIAL BALANCE- - Q.NO. 6,7,8, BRS 1,2,8,9,11,12,15,16, DEPRECIATION QN. 3,4,5, 8, 13,14,15 AND THEORY MADE BY TEACHER IN CLASS.

10 XI C BUSINESS STUDIES 2 CASE STUDY FROM EACH LESSON AND LEARN QUESTIONS MADE BY SUBJECT TEACHER.

11 AUTUMN BREAK HOLIDAY HOME WORK ( ) CLASS-XI SUB- ECONOMICS Q.1 Describe the questionnaire method of collecting primary data. Q.2 Explain the meaning of sampling servey. What are its advantage and disadvantages? Q.3 Explain the concept of (i) class- interval (ii) individual series (iii) Frequency array (iv) Frequency distribution. Q.4 Discribe the major parts of statistical table. Draw a format of a table showing all these parts. Q.5 What is meant by pie diagram? Explain the methods of its constraction. Q.6 How is frequency polygon different from a frequency curve draw the two diagrams taking an imaginary set of data. Q.7 Define median. What are its merits and demerits. Calculate medina and made of the following series. C-I F Q.8 What is statistical Average? What desibrable proferties should an Average possess? Calculate arithmetic mean from the following Data by shortcut method:- Lessthan No.of students Q.9 Calcuate the partition values Q.3D7, P75 from the following data:- Midvalue Male Q.10 Explain the law of variable proportions with the help of a diagram.

12 Q.11 Define price elasticity of demand. Explain the various degress of Price elasticity of demand. Q.12 As a result of 5% in the price of a good, its demand rises by 12%. Find out price elasticity of demand and say whether demand is elastic or inelastic and why? Q.13 List of assumption and featurs of Indifference curve approach. Differentiate between ordinal and cardinal utility. Q.14 Define a budget line. When can it shift to the right? Q.15 What is marginal opportunity cost? How does shift arise in PPC?

13 Subject: Geography Class 11th. Answer the following question 1Who first proposed nebular hypothesis 2. name of our Galaxy 3 what is asthenosphere? 4 name the two main materials of the earth's Core 5 what do you mean by the epicenter of the earthquake? 6 what is the longitudinal extension of India? 7 name two countries each on the west and east of India. 8 name four largest Glacier of India 9. Name two passes of the Western Ghats 10 describe the characteristics features of the central Highlands 11 distinguish between land breeze and sea breeze 12 what do you mean by insulation. 13 explain the cyclone. 14 what is the importance of water vapour in the atmosphere 15 describe the layers of atmosphere 16 what do you mean by climate? Describe