Suryodaya J Secondary School
Ghattekulo, Kathmandu
Dashain and TiharVacation Homework-2069
Class:
9
Opt. Maths
1. Derive all the trigonometric rations of 300,
450 and 600.
C. Maths
1. Prove that
sum of three angles of a triangle is 1800: (Theoretical +
Experiment)
2. Prove that
bases angles of an isosceles triangles are equal.
3. Prove that
if bases angles of a triangle are equal then the triangle is isosceles
Science
1. Solve the exercise of force and Ionization and
electrolysis.
Social
1. Draw the full page map of Nepal and indicate all the
National parks there.
2. Locate the major cities of Asia in the map of Asia.
HPE
1. Prepare project work in ‘Caring of Earth’ (including
definition, principle and importance )
2. Solve any three sets of questions from questions
bank of taught topic.
g]kfnL
pkGof;sf/ n}nl;+x afª\b]nsf] pkGof; ‘ nË8fsf] ;fyL’ k9L o;sf] syf;f/ n]Vg'xf];\.
English [Your Dictionary can help you to do the
exercises given below. Consult to your dictionary and do the exercise given]
Exercise A
Can
you find the plural forms of these words in the word search below? Some of them
are irregular, and some are not.
Life, video, house, plate, potato, clock, woman, jelly, knee,
milkman, toy, child, kiss, mouse, key, chimney, loaf
|
l
|
i
|
v
|
e
|
s
|
g
|
t
|
o
|
y
|
s
|
c
|
x
|
|
t
|
s
|
b
|
w
|
k
|
n
|
e
|
e
|
s
|
o
|
h
|
o
|
|
u
|
i
|
c
|
h
|
i
|
m
|
n
|
e
|
y
|
s
|
i
|
v
|
|
j
|
e
|
l
|
l
|
i
|
e
|
s
|
b
|
h
|
a
|
l
|
i
|
|
k
|
e
|
o
|
h
|
o
|
u
|
s
|
e
|
s
|
w
|
d
|
d
|
|
i
|
f
|
c
|
e
|
r
|
w
|
n
|
e
|
z
|
o
|
r
|
e
|
|
s
|
i
|
k
|
o
|
m
|
e
|
d
|
s
|
r
|
m
|
e
|
o
|
|
s
|
n
|
s
|
e
|
m
|
q
|
e
|
l
|
h
|
e
|
n
|
s
|
|
e
|
q
|
u
|
k
|
y
|
t
|
p
|
s
|
m
|
n
|
s
|
i
|
|
s
|
w
|
l
|
i
|
a
|
s
|
k
|
e
|
f
|
i
|
r
|
a
|
|
f
|
i
|
c
|
l
|
o
|
a
|
v
|
e
|
s
|
x
|
c
|
t
|
|
m
|
a
|
p
|
o
|
t
|
a
|
t
|
o
|
e
|
s
|
n
|
e
|
Exercise B
Are these
sentences true or false?
1. The past
simple and past participle of the verb stand are the same.
2. The past
of the verb lay is also lay.
3. The past
form of cancel is always cancelled.
4. In the US
the –ing form of the verb dial is dialing.
5. The verb
lean can be written in two different ways in the past.
6. The
plural form of the word veto is vetos.
7. The word
aquarium has two plural forms.
8. The
plural form of the word coup is pronounced the same as the singular.
9. The
comparative form of the adjective far is farer.
10. The
superlative form of flat is flattest.
Use your dictionary to find out if your answers were correct
Exercise
C
Write
the Plural forms of the given nouns
Thesis…………… court martial…………….. gateau………….. fungus………….
Aircraft…………. Salmon…………………. Criterion………..
cul-de-sac …………..
Crony…………… embryo………………….
Deer…………….
Appendix…………..
sister-in-law……………. Housewife…………….. person………….. syllable………….
Exercise
D
Which
verb form is normally correct? Use your dictionary to find out. In one sentence
there are two possible answers.
1. There
is / are
no further data available.
2. The
police is / are conducting a house-to-house search.
3. Is /
are the spaghetti cooked ?
4. The
bacteria is / are
spread by physical contact.
5. All
the family is / are
coming.
Exercise
E
Look
up the words in column A and match each one to the word in column B which is
closest to it in meaning.
preposterous reveal
lone individually
dramatist fortunately
synthetic outrageous
singly playwright
happily project
disclose man-made
jut solitary
[Wish You a Very Prosperous and
Happy Dashain and Tihar]