P.M SHRI KENDRIYA VIDYALAYA NO.
2 AFS GWALIOR
PERIODIC TEST - 1 , 2024-25
Class - IX Sub - Science marks - 40 Time - 1.30 hours
Section - A {PHYSICS} 13 marks
Q1 What does the slope of a velocity - time graph represent? 1 Mark
a) Acceleration
b) Diaplacement
c) Distance
d) Speed
Q2 What does the area under a velocity - time graph represent? 1 Mark
a) Speed
b) Acceleration
c) Displacement
d) Distance
Q3 An object travels 32 metre in 8 second and then another 32 metre in 4 second
What is the average speed of the object? 2 Marks
Q4 What is the nature of the distance time graph for uniform and non-uniform motion
of an object? 2 Marks
Q5 Define term acceleration Write its formula and S I unit 2 Marks
Q6 A racing car has a uniform acceleration of 4 m/s What distance will it cover in 10
second after start? 2 Marks
Q7 Define Speed Write its formula and S I unit Name the device which measure
speed of vehicles 3 Marks
Section - B {CHEMISTRY} 13 marks
Q1 The process in which solid is directly coverted to vapour state is called
______________ 1 Mark
a) Vapourisation
b) Solidification
c) Condensation
d) Sublimation
Q2 Dry ice is 1 Mark
a) Water in solid state
b) Water in gaseous state
c) CO2 in liquid state
d) CO2 in solid state
Q3 During summer, water kept in an earthen pot becomes cool because of the
phenomena of ____________ 1 Mark
a) Diffusion
b) Transpiration
c) Osmosis
d) Evaporation
Q4 Discuss the various factors which affect the rate of evaporation? 2 Marks
Q5 What are the characteristics of particles of matter? 2 Marks
Q6 Draw diagram to show interconversion among the state of matter 2 Marks
Q7 Convert the following temperatures to the celsius scale 2 Marks
1} The temperature is 300 K
2} The temperature is 573 K
Q8 Convert the following temperatures to the Kelvin scale 2 Marks
1} The temperature is 25° C
2} The temperature is 373° C
Section - C {BIOLOGY} 14 marks
Q1 The phenomena by which protoplast of a cell shrinks from the cell wall is
1 Mark
a) Osmosis
b) Plasmolysis
c) Diffusion
d) Glycolysis
Q2 Rivosomes are the site of 1 Mark
a) Photosynthesis
b) Respiration
c) Protein synthesis
d) Absorption
Q3 Why are lysosomes known as suicide bags? 2 Marks
Q4 Which organelle is known as the powerhouse of the Cell? Why? 2 Marks
Q5 Why is the plasma membrane called a selectively permeable membrane?
2 Marks
Q6 Make a comparision and write down two ways in which plant cells are different
from animal cells? 2 Marks
Case study based question - 4 marks
Q7 Read the following and answer any four questions from 1} to 5}
Leucoplasts are colourless plastids They store starch, oil, proteins Chromoplasts are
coloured plastids They contain pigments e g Choloroplasts contain green pigment
present in the plant cell Chromoplasts provide colour to various flowers and fruits
1} What is the function of leucoplasts?
a) They store starch, oil, proteins
b) They provide colour to various flowers and fruits
c) They help in photosynthesis
d) They give support to the plants
2} Which plastids provide colour to fruits and flowers?
a) Leucoplasts
b) Chromoplasts
c) Chloroplasts
d) Proteinoplasts
3} Which of the following statement is true?
a) Plastids are present in both plant and animal cell
b) Plastids are absent in plant as well as animal cell
c) Plastids are present only in plant cell
d) Plastids are present only in animal cell
4} Which plastid contain green pigment?
a) Leucoplasts contain green pigment
b) Chloroplasts contain green pigment
c) Chromoplasts contain green pigment
5} Which plastids bring about the process of photosynthesis?
a) Leucoplasts
b) Chromoplasts mainly
c) Choloroplasts
d) None of the plastids bring about Photosynthesis