Download Summer Break Homework - 2016 Class X Hindi प्रश्न: 1

Summer Break Homework - 2016
Class X
Hindi
प्रश्न:
1- किसी एि विषय पर ननबंध लिखिए |
1-
मेरे जीिन िा िक्ष्य
2-
पयाािरण िे प्रनि हमारा ििाव्य
प्रश्न : दो सिारात्मि समाचार पढ़िर उस पर अपने विचार व्यक्ि िीजजये |
2
प्रश्न:
3
दस हहंदी पत्र - पत्रत्रिाओं िे नाम िथा उनिे संपादि िे नाम भी लिखिए |
English Communicative.
Writing
1. You are Naresh. You happen to go to Agra in a crowded bus on a hot summer day. Record your
experience in the form of a paragraph.
2. Write a debate either for or against the motion on ‘Modern Living Habits Have Made Indian People
Sick, Unhealthy and Disease Prone’. (150-180 words)
3. As we neared the airport, we saw a crowd on the highway. We stopped our vehicle wondering what it
was…………..Complete the story in 120-150 words, in a suitable manner.
4. Imagine yourself to be one of the survivors of recently occurred ‘Ecuador Earthquake’. Write a page in
your diary describing your ordeal with the calamity.
Grammar
Look at the words and phrases below. Rearrange them to form meaningful sentences:
(a). officials/a hand-held/bacteria/the method/device/allows/to detect/with.
(b). bacteria killers/naturally/the technique/bacteriophages/is based on/ occurring/known as.
(c). to antibiotics/have been shown/of an/by bacteriophages/to destroy anthrax/ that has become resistant/to
extract/enzyme product.
(d). this technique/infections/in a/help/few years/may fight/difficult to treat.
Literature
Revise and write the summary of the lessons taught & learnt in Fiction and Poetry sections.
Maths
Q.1 After how many places of decimals the decimal expansion of the rational number 43/24 53 will
terminate.
Q.2 Prove that √5 is an irrational number
Page 1
Q.3 Find the [HCF * LCM] for the number 100 and 190
Q.4 Prove that 5 -2√3 is an irrational number
Q.5 Use Euclid’s Division Lemma to show that the cube of any positive integer is of the form 9q, 9q + 1 or
9q+8 for some integer q
Q.6 The HCF and LCM of two numbers are 9 and 360 respectively. If one number is 45, what is the other
number.
Q.7 Find the quadratic polynomials, sum of whose zeroes is 8 and their products is 12. Hence, find the zeros
of the polynomial.
Q.8 Write the zeros of the polynomial 𝑥 2 + 2𝑥 + 1.
Q.9 Find the zeros of the quadratic polynomial 2𝑥 2 − 3 − 7𝑥 and verify the relationship between the zeros
and coefficients of the polynomial.
Q.10 Find the zeros of the quadratic polynomial 5𝑥 2 − 4 − 8𝑥 and verify the relationship between the zeros
and coefficients of the polynomial.
Q.11 Obtain all other zeros of the polynomial 2x3 - 4x – x2 + 2 if two of its zeros are √2 and -√2.
Q.12 Find the quadratic polynomial whose zeros are 1 and -3 .Verify the relationship between the zeros and
coefficients of the polynomial.
Q.13 Using division algorithm, find the quotient and remainder on dividing f(x) by g(x), where
f(x)= 6x3 + 3x2 + x -2 and g(x)= 2x + 1
Q.14 Find all zeros of the polynomial x4 + x3 -34x2 – 4x + 120 , if two of it’s zeros are 2 and -2
Q.15. Write the history of any 3 mathematicians whom you like very much and their contributions to
mathematics .( coloured A4 size pastel sheets ).
Science
Draw symbols of different components used in electric circuit.
Write power of the appliances used in your house.
Write capacity of electric current of different appliances and wires of your house.
Write at least five ways to save electricity in your home.
How will you suggest role of green energy to conserve the energy sources.
Make a working model for Jawaharlal Nehru Science Exhibition.
Identify series and parallel combination of electrical appliances in your home. Write their advantages
and disadvantages. Calculate the electricity bill for the month of May for each appliance.
8. Make a newsletter showing current happenings in the field of biology. Also mention the date and source
of news.
9. Answer the following questions
A. What happens if mucus is not secreted by the gastric glands?
B. Explain the mechanism of breathing.
C. Differentiate between
i.
Autotrophic and heterotrophic nutrition
1.
2.
3.
4.
5.
6.
7.
Page 2
ii. Parasite and host.
D. Draw a neat and well labeled diagram of :
i.
Human digestive system
ii. Human respiratory system
SST
1. Prepare a project on natural and man-made disasters and methods of mitigation.
2. Show any ten national parks on the outline map of India in your activity file.
3. Show five wildlife sanctuary and five bird sanctuary on the outline map of India in your activity file.
4. Define the following:
(i)GDP
(ii)GNP
(iii)HDI
Page 3