CLASS-XII-SCI

HOLIDAY HOMEWORK

SUBJECT – PHYSICS

  1. Check the examples of electrostatic shielding at your home and write your views.
  2. Complete the investigatory project alloted to you by subject teacher.
  3. Check the capacitance of the instruments at your home, write its type and value.
  4. Purchase some (8 or 10) resistors of resistance 1 ohm or 2 ohm from the market and try to connect in series and parallel and calculate the equivalent.
  5. Explain why two electric field lines do not intersect each other ?
  6. State Gauss theorem and calculate the electric field near by a infinitely charged wire.

                                                                                 SUBJECT – CHEMISTRY

1-To solve NCERT problems including- Example,Intex,and exercise of following related topic    in separate copy-

A. Solution  B. Co-Ordination Compound  C. Electrochemistry

  1. Investigatory project

SUBJECT- MATHEMATICS

Give the introduction of inverse trigonometric functions with examples.

Draw graphs of all six inverse trigonometric functions. Write domain and range of each function in a transparent file . On first page , write the particular of the student ( i.e. date, name, class ,roll number, subject, topic and teacher’s signature) and acknowledgement.

  1. Show that the relation R in the set A= {1,2,3,5} Given by R = {(a,b) : Ia-bI is even}, is an equivalence relation.
  2. Show that the modules function f : R → R, given by f(x) =|x|, is neighter one –one nor onto.
  3. Write down the principal value range of sin -˦x, cos-˦x and tan-˦

                                                                                     SUBJECT – BIOLOGY

  1. Investigatory project
  2. Possible effect of maternal behaviour on fetal development (1-4)
  3. The effect of oil spill on ocean (5-8)
  4. Study on gene therapy (9-12)
  5. Gametogenesis (13-16)
  6. Recombinant DNA technology in today medicine(17-20)
  7. Human genome project (21-24)
  8. Ozone depletion (25-28)
  9. Prepare a small earthen pot and grow anyone(medicinal and ornamental) plant properly and submit it in school after summer vacation
  10. Why do moss plants produce very large number of male gametes? provide one reason what are these gametes called ?
  11. Name and explain the role of the inner and middle wall of uterus.
  12. Can a plant flowring in Mumbai be pollenated by pollen grain of the same species growing in new Delhi ? Provide explanation to your answer.
  13. Meiosis is an essential events in the sexual reproduction give any two reason.
  14. In our society the women are often blamed for giving birth to daughter can you explain why this is not correct.
  15. Explain the process of gametogenesis with diagram.

SUBJECT – ENGLISH

1- Read the English newspapers daily and cut and paste samples of the following in the fair register of English -:

* Articles -3                * Reports 3                 * Notice 3

2- Choose and solve any four comprehension passages from E practice book but two of them should be Factual or Descriptive and two on Case based with Verbal and Visual.

3- Go through a research work about John Keats. Prepare your Research File. Discuss the difference between the work of P.B. Shelley and John Keats.

4- Explain any of your favorite literary work(prose/poetry)in your own words.

SUBJECT – PHYSICL EDUCATION

Q.1. What do you mean by tournament? Elucidate the importance of tournaments in detail.

Q.2.  Draw the  labelled diagram of field and equipments, rules, Terminologies and skills, of the games given below, also write down the  commentary of any one in your words.

a) Kabaddi                          b) Volleyball                          c) Football                   d) Kho-Kho                  e) Cricke.

SUBJECT – HINDI

  • अपना परिचय देते हुए एक समाचार वाचक की तरह समाचार प्रस्तुत करते हुए 4-5 मिनट की अपनी वीडियो बनाओ अपनी प्रस्तुति को प्रभावशाली बनाने के लिए आप समाचार से संबंधित चित्र भी दिखा सकते हैं।
  • क्या परीक्षा पास कर लेना ही योग्यता का आधार है इस पर अपने विचार 120 शब्दों में लिखिए।
  • पोशाक के माध्यम से हर व्यक्ति का स्वभाव दूसरों से प्रथम परिचय होता है इस कथन को भिन्न भिन्न चित्रों के माध्यम से स्पष्ट कीजिए ।
  • बिजली विभाग के अधिकारी को बिजली की शिकायत करते हुए लगभग 80 से 100 शब्दों में पत्र लिखिए।
  • दूरदर्शन के अधिकारी को कार्यक्रम में सुधार हेतु एक पत्र लिखिए।
  • बाजारदर्शन कहानी को नाटक में रूपांतरित करते हुए कहानी के पात्रों का संवाद एवं चरित्र चित्रण लिखिए।
  • सारा परियोजना कार्य आकर्षक सृजनात्मक और कलात्मक होना चाहिए कार्य को आकर्षक बनाने के लिए आप भिन्न भिन्न रंगों और चित्रों का प्रयोग कर सकते हैं।

SUBJECT – MUSIC

1: राग बागेश्री का परिचय ,आरोह, अवरोह ,पकड़ याद करना l

2: झप ताल का ठेका याद करना l

3: झप ताल की दुगुन, हाथ पर ताली देकर अभ्यास करना l

साथ  ही  दुगुन ,तिगुन ,चौगुन लिखने का अभ्यास करना l

4: अलंकार का अभ्यास करना l

5- राग बागेश्री पैर आधारित किसी भी एक फ़िल्म का गीत का नाम लिखिए I

6- किसी भी एक राग में आठ मात्रा, बारह मात्रा के ताने बनाइये I

 SUBJECT – COMPUTER SCIENCE

1.Prepare all types of Ports.

  1. Prepare Math Module all functions.
  2. Make a project related to Computer.
  3. WAP for list, tuple, dictionary & function.