EVENTS CONVENT HIGH SCHOOL
70,LALA LAJPAT RAI COLONY,
BAGH DILKUSHA
SLOT 1 Science REVISION QUESTIONS
CLASS-9
1.Answer the following
questions:-
Que.1 Who
discovered cells and how?
Que.2 Why is the cell called the structural and
functional unit of life?
Que-3 Why
are liposome’s known as suicide bags?
Que-4 Where do the lipids are proteins constituting the cell membrane get
synthesised?
Que-5 A
driver is able to cut through water in a swimming pool. Which property of
matter does this.
Que-6 What
are the characteristics of the particles of matter?
Que-7 How
does the water kept in an earthen pot(matka) become cool during summer?
Que-8 What
produces more server bums, boiling water or
the steam?
Que-9 What
is a tissue?
Que-10 Name
types of simple tissues?
Que-11 What
are the constituents of phloem?
Que-12 Name
the tissue responsible for movement in our body?
Que-13 Give
three features of cardiac muscles?
Que-14 How
are simple tissues different from complex tissue in plants?
Que-15 What
are the functions of stomata?
Que-16 What
are the methods of preventing or reducing soil erosion?
Que-17 What
is the greenhouse effect?
Que-18 Why
is water essential for life?
Que-19
Explain how bats use ultrasound to catch a prey?
Que-20
Difference between uniform and non uniform motion?
2.Draw a
diagram and labelled it any two of the following:-
1.Animal
cell, Plant cell
2.Straited
Muscle,Cardiac Muscle, Smooth Muscle.
3.Soft sound
, Louder Sound.
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