N.C.E.R.T Class 9 Science
Sample Paper
Duration: 3 hrs Total
Marks: 80
General
Instructions:
A.
The question paper is divided into
five sections – A, B, C, D and E.
B.
All questions are compulsory and you
should attempt all sections.
C.
In sections B, C, D and E you have an
option to answer any one question.
D.
Questions 1 and 2 in Section A carry
one mark.
E.
Question 3 to 5 in Section B carry
two marks.
F.
Question 6 to 15 in Section C carry three
marks.
G.
Question 16 to 21 in Section D carry five marks.
H.
Question 22 to 27 in Section E are
based on practical skills. Each question carries two marks. You can answer the
questions in brief.
Section A
1. Describe
the arrangement of particles in solids, liquids and gases? [1]
2. What
do you understand by the term nitrogen cycle?
[1]
Section B
3. Are
plastids present in animal cells? Name the two common types of plastids. [2]
OR
What kind of mixture is a
solution? Name the different constituents of a solution.
4. Is
it possible to have zero displacements even if an object covers a certain
5. distance?
Justify your answer. [2]
OR
Who framed the law of
gravitation? State the law.
6. Give
two conditions that are required for a human to be in good health. [2]
Section C
7. State
three key postulates of Dalton’s atomic theory [3]
OR
Name the three different
models of an atom and the ones who formulated them.
8. Is
blood a connective tissue? Give two important functions of blood. [3]
9. What
happens to the kinetic energy of a falling object on hitting the ground? [3]
10.
Describe the three characteristics of
sound [3]
11.
Name and describe the process to
separate a mixture of two miscible liquids. [3]
12.
Define; a. Valency b. Atomic Number
c. Mass Number [3]
13.
Draw and label the different parts of
a cell. [3]
14.
State three ways in which diseases
can spread along with an example.
[3]
OR
A bodybuilder lifts a
dumbbell of 10 kg and raises it 2 m above the ground. Calculate the work done
by him on lifting the weight.
15.
State three reasons why the
atmosphere is essential for life. [3] 15. Explain what is genetic manipulation
in crops? List out its benefits.
Section D
16.
Are plant and animal tissues the
same? Name the different types of animal
tissues and describe the
key function of each tissue. [5]
OR
Give five differences
between a plan and an animal cell.
17.
Name the different divisions of the
Kingdom Plantae. Also, describe their majorcharacteristics along with an
example for each. [5]
18.
A boy 60 kg hops with a horizontal
velocity of 5 ms-1 on a stationary skateboard. The skateboard weighs 4 kg. Find
out the velocity when the board starts rolling? The condition given here is
that any external unbalanced force is absent.
19.
Why is the law of gravitation said to
be universal? Given the equation foruniversal gravitation. Explain clearly the
significance of this law.[5]
20.
What do you mean by greenhouse
effect? Name the factors responsible for thiseffect and also suggest some
prevention measures. [5]
21.
Give five differences between an atom
and a molecule [5]
Section E
22.
Take a bowl of water containing some
amount of oil in it. How will you separatethe two. [2]
23.
Take some items like a bark of a tree
or a bone and identify what kind of tissuesare present in it. [2]
24.
Water can exist in all the three
states solid, liquid and gas. Conduct anexperiment and describe what happens to
the particles during the change of state? [2]
OR
While observing different
kinds of seeds how will you distinguish between a dicot and a monocot seed?.
25.
In our day to day life, we experience
or come across different types of motions. Can you give an example of the
motion when;
a) The
acceleration is positive and in the direction of motion.
b) The
acceleration is uniform or the rate of acceleration is constant.
26.
When you stretch a rubber band what
is the energy generated and lost? [2]
27.
Can you determine who has a higher
pitch, a sparrow chirping or a tiger roaring? Justify your answer. [2]
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