KENDRIYA VIDYALAYA No.1-PORT BLAIR

KENDRIYA VIDYALAYA No.1-PORT BLAIR

HOLIDAY HOMEWORK OF SCIENCE FOR CLASS 10 DURING SUMMER VACATION 2017

.Browse and collect information and pictures on Dialysis , copy them into your Homework Note
Book.
.Copy Table 12.1 of Chapter -12 Electricity (Page no.203 of NCERT text book) to a full size white
chart.
.By using paper pulp or clay make a model of Human Excretory System on a Cardboard sheet
having the size of an A4 sheet. Label and colour the model.
.Check your Blood Pressure and record it in your Homework Note Book. Mention both Systolic
and Diastolic Pressure. Compare the BP of your friends and make a note on it.

SCIENCE TEACHER-CLASS 10A, B & C

KENDRIYA VIDYALAYA NO.1 PORT BLAIR

SUBJECT- MATHEMATICS CLASS-X

1. 3. 26is

a. a rational number b.an integer c. an irrational number d.a natural number

2. Given that HCF (26,169) =13, then LCM (26,169) is

a.52 b.26 c.338 d.13

3. The product of the zeroes of x3 +2x2 -5x +9 is

a. -9 b. 9 c.-2 d.5

4. The pair of linear equations 3x+ 5y =34 and 6x + 10y = 45 has

a. No solution b. Unique solution c.Infinitely many solutions d. Exactly two solutions.

5. The value of k for which the system of equationskx –y=2 and 6x – 2y has a unique solution is

a.0 b.3 c. ≠3 d.≠0

6. The zeroes of the polynomial x2 -5x +6 are

a. 2,3 b. 2,4 c 3,5 d. 1,5

7. Show that 2+3√5 is irrational.

8. Find a quadratic polynomial in which the sum and product of its zeroes are 5 and 35

9. State the following

(i) Euclid’s Division Lemma

(ii)Fundamental Theorem of Arithmetic.

10. Using Euclid’s division algorithm find HCF of (i) 130 and 420 and (i) 225 and 135.

11. If the sum of the squares of the zeroes of the quadratic polynomial x2-8x +k is 40, find the value of k.

12. Solve: 3x -2y = 8

5x +3y=24

13. 10 students of class X participated in Maths quiz. If the number of girls was 4 more the number of boys then find the number of boys and girls.

14. Find the zeroes of the quadratic polynomial x2 + 2x -15 and verify the relationship between the zeroes and the coefficients of the given polynomial.

15. Find all the zeroes of the polynomial 2x3 -4x – x2 +2 if two of its zeroes are 2 and -2.

16. Draw the graph of following equations:

2x –y = 1, x+2y = 3 and

(i) Find the solution of the equations from the graph.

(ii) Shape the triangular region formed by the lines and the y-axis.

17. Prove that 3 is irrational.

ART EDUCATION

1. Shading practice on 20 pages

2. Two drawings on quarter size drawing sheets.