CLASS: X
SUBJECT: BIOLOGY-CHEMISTRY
1. Make a science news letter showing current news in the field of
science and also mention the date and source of news.
2. Make a power point presentation on any one chapter given in
term 2.
3. Read the chapter
A) Periodic classification of elements
B) Our environment
CLASS-X Physics
1) TEN numericals from lens formula
2) FIVE numericals from mirror formula
3) FIVE numericals from defects of eye.
C)
English
1)
2)
3)
4)
Two no. jokes to be converted into Indirect Speech .
Two no. of Recipe to be converted into Passive Form .
Two no. of character based questions and two no. of
questions based on Plot from the Novel “ The Story Of My
Life” .
CBSE Sample paper of 2015-16 to be solved .
Maths
Q-1 FOR WHAT k, x=a IS A SOLUTION OF EQUATION x2-(a+b)x+k =0?
Q-2 find two consecutive positive integer sum of whose squares is 365 .
Q-3 find the discriminant of quadratic equation x2-4x+3=0 and hence find the
nature of its roots.
Q-4 if x=2, x=3 are roots of equation 3x2-2kx+2m=0 find the value of m & k.
Q-5 a motor boat whose speed is 9 km/h in still water goes 12 km downstream and
comes back in a total time of 3 h . find the speed of the stream .
Q-6 solve for x
1
a+b+x
1
1
1
a
b
x
= + +
, a+b≠0
Q-7 Two pipes running together can fill a cistern in 3
1
13
min. if one pipe take three
min more than the other to fill it. Find the time in which each pipe would fill the
cistern.
Q-8 A person, standing on the bank of the river observe that the angle subtended
by a tree on the opposite bank is 600 . when he retreats 20m from the bank he finds
the angle to be 450. Find the height of the tree & breadth of the river.
Q-9 the angle of elevation of the top of a vertical tower from a point on the ground
is 600 . at a point 40m vertically above the first point of observation, the angle of
elevation is 300. Find the height of the tower and the distance between the tower
and the first point of observation.
Q-10 if the angle of elevation of a cloud from a point above a lake is α and angle of
depression of its reflection in the lake is β then prove that height of cloud is
h(tan β+tan α)
tan β−tan α
.
Q-11 the angle of elevation from two points on either side of tower at a distance of
a & b unit from it are complementary to each other. Show that height of tower is
√ab .
Q-12 show that the point A (-6,10) , B(-4,6) and C(3,-8) are collinear and show
2
that AB= AC .
9
Q-13 tangent AP and AQ are drawn two circle with centre o from an external point
A. prove that
PAQ=2 OPQ .
Q-14 design a mathematical newspaper which includes interesting, entertaining,
knowledge oriented questions, puzzles, riddles, crosswords, poems, articles,
reports, pictures and designs etc. Also, give the appropriate name for the
newspaper (minimum of 4 pages)
Social Science
Q1- Map practice (history and geography) from SAII syllabus.
Q2- CBSE modal test paper 1 and 2 practice.
Q3- Chapter reading and exercise.
1.
2.
3.
Lifeline of Indian economy
National Movement in India
Challenges of Democracy.
Sanskrit