Velammal Inter School Science Talent Olympiad Class VIII Mock Test Paper 2017 : vkp.co.in
Organisation : Velammal Knowledge Park
Exam : Velammal Inter School Science Talent Olympiad
Document Type : Mock Test – 1
Category or Subject : Class VIII
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/9995-VIIIPaper.pdf
Mock Test Key Paper : https://www.pdfquestion.in/uploads/9995-8thClassKey.pdf
VKP Class VIII Mock Test Paper
Duration : 2hrs
Max.Marks : 100
Mathematics
1. Find the decimal representation of 8/3
A) 2.6
B) 2.3
C) 2.6
D) 2
Related : Velammal Inter School Science Talent Olympiad Class VII Mock Test Paper 2017 : www.pdfquestion.in/9991.html
2. What will be the number of zeros in the square of 30?
A) 2
B) 3
C) 1
D) 5
3. How many natural numbers lie between 122 and 132
A) 27
B) 26
C) 25
D) 24
4. Find the square root of 1764
A) 42
B) 41
C) 40
D) 38
5. 362 would have digit _____ at unit place
A) 2
B) 4
C) 6
D) 8
6. Find cube root of -2197
A) -13
B) 3
C) 23
D) -23
7. 1681 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows
A) 41
B) 43
C) 49
D) 47
8. The opposite sides of a parallelogram are of _____ length
A) not equal
B) equal
C) different
D) none
9. Two adjacent angles of a parallelogram have equal measure. Find the measure of each of the angles of the parallelogram.
A) 120°
B) 30°
C) 60°
D) 90°
10. The diagonals of a ______ are perpendicular bisectors of each other
A) kite
B) rectangle
C) square
D) trapezium
Physics
Single Response Type :
41. The pair of physical quantities having the same unit is
A) thrust and pressure
B) thrust and weight
C) force and pressure
D) weight and pressure
42. As the depth of a liquid increases, the pressure of liquid
A) decreases
B) increases
C) remains same
D) none of these
43. A box of mass 10 kg has a base area of 1 m2. What is the pressure exerted by it on the ground ? (Take 1kg wt = 10 N )
A) 50 Pa
B) 70 Pa
C) 100 Pa
D) 120 Pa
44. The pressure of water on the ground floor is 50000 Pa and at the first floor is 20000Pa. Find the height of the first floor. Take density of water is 103 kgm-3 and g = 10 ms-2
A) 3 m
B) 4 m
C) 5 m
D) 6 m
45. A cubical block of wood of density 5g cm-3 stands on table with a sides of 10 cm Find the thrust by the block of wood on the table if 10 m s-2 .
A) 55 N
B) 60 N
C) 50 N
D) 80 N
46. Friction is a
A) Contact force acting in same direction
B) Non-contact force in same direction
C) Contact force acting in opposite direction
D) Non-contact force in opposite direction
47. Friction is exerted by :
A) solid
B) liquid
C) gas
D) all the above
48. The force of friction
A) increases with the weight of the body.
B) decreases with the weight of the body
C) is not affected by the weight of body
D) none of these
49. Friction does not depend on the following factor
A) The nature of the surface
B) The normal reaction
C) The roughness of the surface
D) The area of contact
Assertion and Reason Type
50. Statement I : Friction is due to the irregularities of the two surfaces in contact
Statement II : Friction is a necessary evil
A) Both Statements are true, Statement II is the correct explanation of Statement I.
B) Both Statements are true, Statement II is not correct explanation of Statement I.
C) Statement I is true, Statement II is false.
D) Statement I is false, Statement II is true.
Chemistry
Single Response Type :
61. Of these most ductile metal is :
A) Al
B) Au
C) Cu
D) Ag
62. Of these, the most reactive metal is ___________.
A) Fe
B) Zn
C) Al
D) K
63. Which of the following pairs will give displacement reactions?
A) NaCl solutions and copper metal
B) MgCl2 solution and aluminum metal
C) FeSO4 solution and silver metal
D) AgNO3 solution and copper metal
64. Which of the following is a half metal?
A) Silicon
B) Boron
C) Arsenic
D) Chlorine
65. By which reaction metal is obtained from metal oxide?
A) Liquefaction
B) Reduction
C) Calcination
D) Roasting
66. Soft metals which can be cut with knife is/are:
i) Lithium
ii) Gold
iii) Sodium
iv) potassium
A) Only i and iii
B) Only ii and iii
C) Only i,iii and iv
D) i, ii, iii and iv
67. Statement –I : Diamond and boron being non-metals are soft
Statement – II : all metals show the same amount of malleability
A) Both Statements – I and II are correct
B) Both Statements – I and II are incorrect
C) Statement – I is correct and Statement – II is incorrect
D) Statement – I is incorrect and Statement – II is correct
68. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be
A) Calcium
B) Carbon
C) Silicon
D) Iron
69. Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red?
A) Sulphur dioxide
B) Magnesium oxide
C) Iron oxide
D) Copper oxide
70. When sodium reacts with cold water, then the product formed will be
A) Na2O
B) NaOH
C) Na2CO3
D) All the above
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