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9 views4 pagesPractice Paper - 5
The document consists of a practice paper with multiple-choice questions and short answer questions covering topics in science, including properties of matter, atomic structure, cellular biology, and physics concepts such as force and motion. It includes sections with assertions and reasons, as well as case-based questions related to experiments and observations. The paper is structured into various sections, each testing different areas of knowledge with a total of 80 marks available.
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0% found this document useful (0 votes)
9 views4 pagesPractice Paper - 5
The document consists of a practice paper with multiple-choice questions and short answer questions covering topics in science, including properties of matter, atomic structure, cellular biology, and physics concepts such as force and motion. It includes sections with assertions and reasons, as well as case-based questions related to experiments and observations. The paper is structured into various sections, each testing different areas of knowledge with a total of 80 marks available.
Uploaded by
shruthitr18Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
/ 4
SECTION ~A
Select and write one most appropriate option out of
the four options given for each of the questions 1-20.
‘There is no negative mark for incorrect response.
1, A student adds ink to water. The ink particles
spreads through out the water. Which property
of water allows other particles to diffuse in it?
(a) fixed volume
(b) inability to compress
(c) intermolecular spaces
(d) ability to change shape
2, What is property of solid substance?
(a) It retains its shape
(b) It changes its volume
(0) It retains its colour
(d) It changes its mass.
4. Ca and Ar are isobars because they have
(a) same atomic number
(b) different atomic number
(©) same mass number
(@) Both (b) and (c)
4. Which of the following containing maximum
number of neutrons?
(2) Aluminium (6) Nitrogen
(©) Oxygen (d) Lead
5. Which of the following is correct electronic
configuration of Ca(20)?
(@) 2,8,9 (6) 2,9,8
(©) 2,8,8,1 @ 28,82
6. The mineral elements found in our bone making
it hard, are
(a) sodium and calcium
(b) calcium and phosphorus
10.
1.
“Maximum Marks: 80}
(©) phosphorus and sodium
@ sodium and potassium
Apperson met with an accident in which two long
bones of hand were dislocated. Which among
the following may be the possible reason?
(@) Tendon break
(0) Break of skeletal muscle
(©) Ligament break
(@) Areolar tissue break
Which of the following options are associated
with nucleus?
I. The nucleus plays a key role in cellular
reproduction.
TI. The nucleus has double layered covering
called nuclear membrane.
IIL. The nucleus contains chromosomes which
are visible as spherical structures only when
the cell is about to divide.
IV. The nuclear membrane has pores which
allow the transfer of material within the
nucleus,
(@) Tand (®) Wand Iv
(©) Land 111 @ Mand iv
Which of the following organelle is considered
as the power house of the cell?”
(@) Chloroplast. (6) Golgi apparatus
(©) Mitochondria (d) Lysosomes
The organelle which contains powerful enzymes
and are capable of digesting or breaking down
all organic materials is
(a) mitochondria (6) lysosomes
(©) centrosome (@) nucleus
How is the force exerted by a body related to
its momentum change?
lll
© scanned with OKEN Scanner 402 Pagecher with® Science—9
1
momentum chnage |
(®) Fs (momentum change)?
(©) Fe momentum change
(@) Fx Vmomentum change
12. R A,B, Cand D are moving o1
heir distance versus ti
shown in figure. Choose the correct statement.
c
(@) Fe
D
Distaneo (m
ane)
Tine
(a) Car A is faster than car D.
(6) Car Bis the slowest.
(©) Car D is faster than car C.
(d) Car C is the slowest.
13, Aa ball is thrown up with a speed of 20 mjs,
For what time will it be in air? (g = 10 m/s’)
@ Is (@) 2s
© 3s @ 4s
14. Whats the audible frequency range for human
beings?
(@) 20 Hz - 20 kHz
(6) 20 kHz ~ 20 MHz
(©) 20 MHz - 20 GHz
@ 2 Hz —20 kHz
15. A object weighs 10 N in air. When immersed
fully in water, it weighs only 8 N. What is the
upthrust experienced by it in water?
@ 8N (+) 2N
(©) 18N (@) Zero
16. A body having kinetic energy 100 J doubles its
speed. Its kinetic energy becomes
(@) 2003 () 3003
(©) 4003 (@) 6005
Question No. 17 to 20 consist of two statements —
Assertion (A) and Reason (R), Answer these questions
Selecting the appropriate option given below:
(@) Both A and R are true, and R is the correct
explanation of A.
(6) Both A and R are ti
explanation of A.
(©) Ais true but R is false,
(4) Ais false but Ris true,
rue, and R is not the correct
17. Assertion: Boiling point of sea water is more
than 100°C
Reason: Soli
point of liquid,
18, Assertion: Simple tissue is made up of only one
rene