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LK SINGHANIA EDUCATION CENTRE, GOTAN
SUMMER VACATION ASSIGNMENT (2015-16)
CLASS-X
General Instructions
1. Do all the assignments subject wise in respective formative assessment notebook.
2. You may do all the assignments in one formative assessment notebook and on reporting to
school after summer vacation you detached the pages and paste it in respective subjects’
assessment book.
3. For any diagram, chart or herbarium work, use plain sheet and attach it with the given
assignment.
4. Maximum marks for each assignment will be 10 marks.
ENGLISH
Assignment-1
1. After her brothers’ visit, Lucia writes a page in her diary about her past life and her present
situation. As Lucia write the diary entry in about 150 words.
2. Holidays and vacation are always welcomed by the students. It’s time to play, entertain
themselves and indulge themselves in fruitful activities. Write a speech how we can make our
holidays/vacation most productive and entertaining.
3. You are Sudhir/Swathi of 15, Ram Bagh, New Delhi. You are alarmed at the increasing obesity
among school students. Taking ideas from the unit, ‘Health and Medicine’, write an article in
about 150 words. Also suggest measures to curb obesity.
4. Prepare a Article on the topic – Essential Qualities to Become a Good Player. Also mention at
least ten rules of any game that you like most.
5. Do any one (PPT must be given in CD+ 10 slides in the form of PPT along with their coloured
print out in a file)
a) Latest Health and Medical treatment
b) Computer Game
c) A chart with various forms of the verbs (at least 50)
d) A Chart with At least 10 idioms with their meaning
HINDI
Assignment-1
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MATHEMATICS
Assignment-1
Task 1
All questions are for 2 marks each.
1. If 7x5x3x2 + 3 is composite number? Justify your answer .
2. Show that any positive odd integer is of the form 4q + 1 or 4q +3 where q is a positive integer.
3. Use Euclid’s Division Algorithms to find the H.C.F of
a) 135 and 225
b) 4052 and 12576
4. Find the HCF and LCM of 26 and 91 and verify that LCM X HCF = Product of two numbers.
5. Explain why
29
3
2
3
x5
is a terminating decimal expansion.
Task 2
All questions are for 2 marks each.
1.Find the polynomial, whose zeroes are 2 + √3 and 2 - √3.
2.Form a quadratic polynomial, one of whose zero is 2 + √5 and the sum of zeroes is 4.
3. Show that x2 – 3 is a factor of 2x4 + 3x3 -2x2 -9x – 12.
4. Find the zeroes of the polynomial and verify the relationship between the zeroes and the coefficient
4x2 – 4x + 1.
5. Find other zeroes of the polynomial p(x) = 2x4 + 7x3 – 19x2 – 14x + 30 if two of its zeroes are √2 and √2.
SCIENCE
Physics
1. Calculate the equivalent resistance between A & B
2. Three 60W incandescent bulbs are connected in parallel.
(a) Calculate the total power consumed.
(b) Now suppose that one of the bulb is fused. What will be the total power consumed now?
3. Find out the following in the electric circuit given in the figure.
(a) Effective resistance of two 8Ω resistors in the combination.
(b) Current flowing through 4Ω resistor.
(c) Potential difference across 4Ω resistor.
(d) Power dissipated by 4Ω resistor.
(e) Difference in ammeter readings, if any.
4. A cylindrical conductor of length ‘l’ and uniform area of cross – section ‘A’ has resistance ‘R’.
What is area of cross – section of another conductor of length ‘2l’ and resistance’ R ‘ of the
same material?
5. Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of
2Ω in series with a combination of two resistors ( 4Ω each ) in parallel and a voltmeter across the
parallel combination. Will be the potential difference across the 2Ω resistor be the same as that
across the parallel combination of 4Ω resistor ? Give reason.
6. What is the electrical resistivity ? In a series electrical circuit comprising of a resistor made up
of a metallic wire, the ammeter reads 5A. The reading of the ammeter decreases to half when
the length of the wire is doubled. Why?
Chemistry
Q.1 Write the name and formula of any twenty important compounds.
Q.2 Collect the pictures of materials which contains acids and bases and write the name of acid or base
present in your collected materials.( five each).
Q.3 Collect the information about the following historical monuments in terms of given data. Write the
collected informations in your Assignment copy and also Paste appropriate pictures to support your
points. (Word limit 50 words each )
1. Colour of Statue of Liberty .
2. Change in Colour of Taj Mahal.
3. Iron Pillar of Delhi.
Biology
1. Draw a diagram depicting Human Digestive system and label its various parts. Explain
The statement, “Bile does not contain any enzyme but it is essential for digestion”. (5)
OR
Visit any national park along with your parents and write down the name and a brief description of
any five Endangered species of Animal.
2. Explain the process of photosynthesis in plants.List four factors which influence this process and
Describe how each of them affects the rate of photosynthetic process. (5)
OR
Visit any science museum along with your parents and write a brief description on any three
exhibits you observed there.
SOCIAL SCIENCE
GEOGRPAHY
Poster making on Depletion of Forest resource.
HISTORY
Based upon the lesson: ‘Novels, Society and History’, the students
are required to collect information and pictures of Any one
Author (Indian/ English) of their choice in the chapter and arrange the same as per
the guidelines given below :
1 A brief introduction of the author (250 words)
2 Pictures related to him to be pasted with captions
3 List of his prominent works
4 Brief review of any one novel and what does it tell about the
Society and people of the period (250 words )
5 The assignment should be done in the Assignment register only and
Should not be more than 4 pages