vkp.co.in : Velammal Inter School Science Talent Olympiad Class IX Mock Test Paper 2017

Organisation : Velammal Knowledge Park
Exam : Velammal Inter School Science Talent Olympiad
Document Type : Mock Test – 1
Category or Subject : Class IX
Year : VISTO -2016 – 2017

Website : http://vkp.co.in/visto-2016/model-question-papers/
Download Model Question Paper :
Mock Test Paper : https://www.pdfquestion.in/uploads/9999-IXTestpaper.pdf
Mock Test Key Paper : https://www.pdfquestion.in/uploads/9999-9thClass%20Key.pdf

Class IX Mock Test Paper :

Duration : 2hrs
Max.Marks : 100

Related : Velammal Inter School Science Talent Olympiad Class VIII Mock Test Paper 2017 : www.pdfquestion.in/9995.html

Mathematics :
1. The edge of a surface are
A) points
B) lines
C) curve
D) None

2. The number line segments determined by three non-collinear points is
A) 0
B) 1
C) 2
D) 3

3. If ‘C’ lies between A and B and AB = 10 cm , AC = 3 cm then BC2 = ______
A) 49 cm2
B) 13 cm2
C) 9 cm2
D) 7 cm2

4. The “sriyantra” consists of _____ inter woven isosceles triangles
A) 1
B) 9
C) 3
D) 6

5. If is not possible to construct a triangle when the length of its sides are
A) 6, 7,8
B) 5.3, 2.2, 3.1
C) 9.3, 5.2, 7.4
D) 4, 6, 6

6. If triangle ABC is obtuse angle and ?C is obtuse then
A) AB = BC
B) AC > AB
C) AB < BC
D) AB > BC

7. <x and <y are exterior angles of a triangle of a triangle ABC at the points B and C respectively also <B & <C then relation between <x and <y is
A) <x * <y
B) <x = <y
C) <x > <y
D) None

Physics :
Single Response Type :
41. A man is at rest in the middle of a pond on perfectly smooth ice. He can get himself to the shore by making use of Newton’s
A) First law
B) Second law
C) Third law
D) All the laws

42. A jet plane flies in the air because :
A) The gravity does not act on bodies moving with high speeds
B) The thrust of the jet compensates for the force of gravity
C) The flow of air around the wings causes an upward force, which compensates for the force of gravity
D) The weight of air whose volume is equal to the volume of the plane is more than the weight of the plane

43. The acceleration of a body is to be doubled from its initial value. By what factor is the acting force to be increased ?
A) half
B) two
C) four
D) one of these

44. A gun recoils when it is fired. The recoil is the result of action-reaction force pairs. As the gases from the gunpowder explosion expand, the gun pushes the bullet forwards and the bullet pushes the gun backwards. The acceleration of the recoiling gun is …
A) greater than the acceleration of the bullet.
B) smaller than the acceleration of the bullet.
C) the same size as the acceleration of the bullet
D) none of these

45. A car moving at 72 kmph is to be stopped by applying brakes in the next 10m. If the car weights 1000 kg. The average force applied on the car is
A) 2 × 104 N
B) 3 × 104 N
C) 7200 N
D) 3 × 106 N

46. A block of mass 2 kg placed on a long frictionless horizontal table is pulled horizontally by a constant force F. It is found to move 10m in the first two seconds.The magnitude of F is ___.
A) 10N
B) 20 N
C) 30 N
D) 40 N

47. Raindrops of radius 1 mm and mass 4 mg are falling with a speed of 30 m/s on the head of a bald person. The drops splash on the head and come to rest. Assuming equivalently that the drops cover a distance equal to their radii on the head, estimate the force exerted by each drop on the head.
A) 1.0N
B) 1.8 N
C) 3.0 N
D) 4.0 N

48. A hammer with a 500 gm head is used to be drive nails horizontally into a wall. A force of 450 N is required to penetrate the wall. Each blow should force the nail 5 mm into the wall. What should be the velocity of the hammer head to strike the nail
A) 9m/s
B) 1.5 m/s
C) 3 m/s
D) 6m/s

49. When the medium between two bodies changes, force of gravitation between them
A) Will increase
B) Will decrease
C) Will change according to the environment
D) Will not change under any condition

50. In universal law of gravitation the constant G is
A) Independent of the nature of the particles
B) Independent of space where they are kept
C) Independent of time at which the force is considered
D) All of these

Chemistry :
Single Response Type :
61. A solid has _________.
A) maximum intermolecular space
B) definite mass but no definite volume
C) very high compressibility
D) maximum intermolecular force of attraction

62. The freezing point of water is lowered by
A) Increasing pressure
B) Presence of impurities
C) Both A and B are correct
D) None of these

63. Dry ice is used in fire extinguishers. The dry ice is stored in the cylinder in a solid form. When sprayed on a fire it quickly changes into the gas known as carbon dioxide (CO2). What is this change of state called?
A) Sublimation
B) Condensation
C) Distillation
D) Evaporation

64. The process by which wet clothes dry up is called _______.
A) evaporation
B) boiling
C) condensation
D) solidification

65. Identify the wrong statement among the following.
A) Molecules of solids possess only vibratory motion.
B) Solids are incompressible.
C) Solids have only one free surface.
D) Gases are highly diffusible.

Biology
Single Response Type :
81. Protoplasm means _________________
A) Cytoplasm + cell wall
B) Cytoplasm + Nucleus
C) Cytoplasm + Cell membrane
D) Cell wall + Nucleus

82. The scientist who proposed that all cells arise from pre – existing cell.
A) Rudolf virchow
B) T.Schwann
C) Schleiden
D) Robert Hook

83. A generalised cell consists of following essential parts. They are
A) Cell Membrane
B) Cytoplasm
C) Nucleus
D) All of these

Assertion and Reasoning Type:
84. Assertion : Plastids contain green pigment called chlorophyll.
Reason : Chlorophyll containing plastids are called chromoplast.
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true but reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If assertion is false but reason is true.

85. Column I Column II
a) ATP p) Protein synthesis
b) Oxysomes q) 60s +40s
c) RER r) F0 – F1 particles ‘or’ complex
d) 80s s) Tertiary lysosomes
e) Residual bodies t) Adenosine –Tri–phosphate
u) 50s + 30s
A) a – p, b – q, c – r, d – s, e – u
B) a – q, b – p, c – r, d – s, e – t
C) a – p, b – q, c – s, d – r, e – p
D) a – t, b – r, c – p, d – q, e – s