CAREER FOUNDATION
SESSION 2020-21
FINAL MOCK TEST
CLASS - IX CBSE | PHASE - 1 TO 5
SCIENCE
Time : 1.30 Hrs.
Date : 31-01-2021
Max. Marks : 60
GENERAL INSTRUCTIONS
1.
The question paper comprises of three sections i.e. Section–I (Physics),
Section–II (Chemistry) and Section–III (Biology).
2.
All three sections have 27 questions in total.
3.
All questions are compulsory.
Note :–
(i)
1 mark questions are to be answered in about 20 words each.
(ii)
2 marks questions are to be answered in about 30 words each.
(iii)
3 marks questions are to be answered in about 50 words each.
(iv)
4 marks questions are to be answered in about 70 words each
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CBSE CLASS - IX
FINAL MOCK TEST
DATE : 31 - 01 - 2021
SYLLABUS
PHYSICS:
Full Syllabus
CHEMISTRY: Full Syllabus
BIOLOGY:
Full Syllabus
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Final Mock Test | CLASS - IX
SECTION-I (PHYSICS)
1.
Define acceleration.
[1]
2.
What is the unit of gravitational constant.
[1]
3.
Give an example when work done by a force is Zero.
[1]
4.
State 3rd law of motion along with a suitable example
[2]
5.
A body of mass 2kg moves with velocity of 72 kmph. Find its momentum-
[2]
6.
Deduce the expression for 1st and 2nd equation of motion using graphical method.
[3]
7.
2
A body of mass 2kg is dropped from a height of 80m. Then find: éë g = 10 m/s ùû
[3]
(1) Time-taken to reach ground
(2) Velocity with which it hits ground
(3) Total momentum just before hitting ground
8.
(i) Define potential energy.
[3]
(ii) Derive the expression for work done on an objects with mass m, when it is to be raised to a
height h, from the ground.
(iii) An object of mass 10 kg is at a certain height above the ground. If the potential energy of
the object is 400 J, find the height at which the object is with respect to the ground. (Given,
g = 10ms-2 )
9.
(a) State universal law of gravitation.
[4]
(b) If one of the mass is doubled and distance between them is trippled, then find the new
gravitational force between them.
SECTION-II (CHEMISTRY)
10.
Name the property:
[1]
(a) Which allows metals to be hammered into thin sheets.
(b) Which enables metals to be drawn into wires.
11.
Name a non-metal:
[1]
(a) Which is lustrous
(b) Which is required for combustion
12.
Calculate the molecular mass of
[1]
(i) CH 3 COOH
(ii) Ca ( OH ) 2
[C = 12u; H = 1u;O = 16u;Ca = 40u ]
13.
Define isotopes. Give two suitable examples.
[2]
14.
Write the symbol electronic configuration and valency of the following elements:-
[2]
a) Aluminium (Atomic number = 13)
b) Calcium (Atomic number = 20)
3
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Final Mock Test |CBSE|SCIENCE|CLASS - IX | 31.01.2021
15.
Write the molecular formula of the following compounds and their atomicity:-
[3]
a) Sodium phosphate
b) Calcium sulphate
c) Potassium nitrate
16.
(a) Define solubility of a substance?
[3]
(b) What do you understand by the statement “the solubility of copper sulphate in water at
20°C is 20.7 g”?
(c) What is the effect of temperature on the solubility of gas in liquid?
17.
An atom of an element X may be written as
19
9
X.
[3]
(a) What does the 19 figure indicate?
(b) What does the 9 figure indicate?
(c) What is the number of protons in atom X?
(d) What is the number of neutrons in atom X?
(e) How many electrons are there in the outermost shell of an atom of element X?
(f) Write the symbol of ion formed by an atom of element X.
18.
Calculate the followings below in the 4.8 grams of ozone gas
[4]
a) Number of moles
b) No.of molecules
c) No.of atoms
d) Volume of the gas at S.T.P
SECTION-III (BIOLOGY)
19.
Assertion:- Mitochondria and chloroplasts are semiautonomous organelles.
[1]
Reason:- They are formed by division of pre existing organelles and contain DNA but lack
protein synthesizing machinery.
(1) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
(2) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
(3) Assertion is true but Reason is false
(4) Assertion is false but Reason is true
20.
Which of the following equations is not corrected regarding cell?
[1]
(1) Nucleus = Protoplasm - cytoplasm
(2) Cytosol = Protoplasm - [Organelles + Nucleus]
(3) Organelles = Protoplasm - [Cytosol + Nucleus]
(4) Cytoplasm = Cytosol - Organelles
21.
The process of nitrogen fixation by bacteria does not take place in the presence of
[1]
(1) Molecular form of hydrogen
(2) Elemental form of oxygen
(3) Water
(4) Elemental form of nitrogen
22.
Draw a neat diagram of the section of the tissue that is responsible for the translocation of food
from the leaves to the different parts of the plant?
4
[2]
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Final Mock Test | CLASS - IX
23.
Why does intake of penicillin not affect human cells?
[2]
24.
Write the differences between hypotonic, isotonic and hypertonic solution?
[3]
25.
Discuss the different components of fluid connective tissue?
[3]
26.
(a) What is immunisation?
[3]
(b) Define immunity and vaccination
(c) What type of diseases can be prevented through vaccination?
27.
(a) How does nitrogen fixation take place during lightning?
[4]
(b) How do plants make use of the nitrates and nitrites present in soil?
5