Directorate of Education, GNCT of Delhi
Practice Paper (Session: 2023-24)
Class: IX Subject: N. Science(086)
Duration: 3 hours Maximum Marks: 80
SECTION-A
Q. Questions Marks
No.
1 The similarity between solid, liquid and gas matter is that, they: 1
a) occupy space b) have mass c) both a and b d) have fixed shape
2 When 20 g of potassium permanganate is dissolved in 1000ml of water, there is no increase in 1
volume. This observation indicates that:
a) particles of water have spaces between them into which potassium permanganate
particles fit.
b) particles of water attract each other.
c) particle of potassium permanganate attracts each other.
d) particles are continuously moving.
3 Which of the following is not a Liquid-gas Aerosol: 1
a) mist b) clouds c) smoke d) fog
4 The ions present in Na2CO3 are: 1
, a) Na+ ; CO32- b) Na2+ ; CO32+ c) Na+ ; CO3 d) Na+ ; CO22-
5 When 6 g of carbon is burnt in 16g oxygen 22g of carbon dioxide is produced. If 6 g of 1
carbon is burnt in 30 g of oxygen then the carbon dioxide produced will be:
a) 22 g b) 36 g c) 16 g d) 6 g
6 Which of the following statements is incorrect about the structure of an atom? 1
i. the atom is an indivisible particle
ii. the atom as a whole is neutral
iii. the whole mass of an atom is concentrated in the nucleus.
Choose the right option among the following:
a) i. and iii b) only ii c) only i d) ii. and iii
7 Atom of an element have 3 valence electrons in M-shell. The atomic number of this element 1
will be:
a) Z=3 b) Z= 15 c) Z= 18 d) Z=13
8 The role of ribosome is: 1
a) site of protein synthesis b) site of respiration
c)site of photosynthesis d) site of packaging protein
9 Lotus stem float in water due to the presence of: 1
a) Aerenchyma b) Parenchyma c) Collenchyma d) Sclerenchyma
10 Which of the following graph shows the uniform motion of an object? 1
11 If an object travels a distance s in time t than its speed will be: 1
a) v = s/t b) s=d/t c) d=v/t d) v=s x t
12 A boy in a moving train tosses a coin which falls behind him. It means that train is moving 1
with:
a) accelerated motion b) uniform velocity
c) uniform speed d) circular motion
13 Object that comparatively has least inertia is: 1
(consider that all these objects are of the same size)
a) a solid iron ball b) a plastic ball c) a paper ball d) a thermocol ball
14 The value of acceleration due to gravity is: 1
Practice Paper (Session: 2023-24)
Class: IX Subject: N. Science(086)
Duration: 3 hours Maximum Marks: 80
SECTION-A
Q. Questions Marks
No.
1 The similarity between solid, liquid and gas matter is that, they: 1
a) occupy space b) have mass c) both a and b d) have fixed shape
2 When 20 g of potassium permanganate is dissolved in 1000ml of water, there is no increase in 1
volume. This observation indicates that:
a) particles of water have spaces between them into which potassium permanganate
particles fit.
b) particles of water attract each other.
c) particle of potassium permanganate attracts each other.
d) particles are continuously moving.
3 Which of the following is not a Liquid-gas Aerosol: 1
a) mist b) clouds c) smoke d) fog
4 The ions present in Na2CO3 are: 1
, a) Na+ ; CO32- b) Na2+ ; CO32+ c) Na+ ; CO3 d) Na+ ; CO22-
5 When 6 g of carbon is burnt in 16g oxygen 22g of carbon dioxide is produced. If 6 g of 1
carbon is burnt in 30 g of oxygen then the carbon dioxide produced will be:
a) 22 g b) 36 g c) 16 g d) 6 g
6 Which of the following statements is incorrect about the structure of an atom? 1
i. the atom is an indivisible particle
ii. the atom as a whole is neutral
iii. the whole mass of an atom is concentrated in the nucleus.
Choose the right option among the following:
a) i. and iii b) only ii c) only i d) ii. and iii
7 Atom of an element have 3 valence electrons in M-shell. The atomic number of this element 1
will be:
a) Z=3 b) Z= 15 c) Z= 18 d) Z=13
8 The role of ribosome is: 1
a) site of protein synthesis b) site of respiration
c)site of photosynthesis d) site of packaging protein
9 Lotus stem float in water due to the presence of: 1
a) Aerenchyma b) Parenchyma c) Collenchyma d) Sclerenchyma
10 Which of the following graph shows the uniform motion of an object? 1
11 If an object travels a distance s in time t than its speed will be: 1
a) v = s/t b) s=d/t c) d=v/t d) v=s x t
12 A boy in a moving train tosses a coin which falls behind him. It means that train is moving 1
with:
a) accelerated motion b) uniform velocity
c) uniform speed d) circular motion
13 Object that comparatively has least inertia is: 1
(consider that all these objects are of the same size)
a) a solid iron ball b) a plastic ball c) a paper ball d) a thermocol ball
14 The value of acceleration due to gravity is: 1
