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Organisation : ICAD Foundation
Exam : Vidarbha Talent Search Examination
Document Type : Model Question Paper
Class : VIII (Eight)

Website : icadiit.com
Download Sample Question Paper : https://www.pdfquestion.in/uploads/7473-Sample%20PaperVIII.pdf

ICAD Vidarbha Talent Search Exam Sample Paper

Choose The Correct Option :

Physics

01. Light year is a unit of :
(a) Time (b) Distance
(c) Velocity (d) Acceleration

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02. It is easier to draw up wooden block along an inclined plane than hang it up vertically principally because ________.
(a) The friction is reduced
(b) Only a part of the weight has to be overcome
(c) The mass becomes smaller
(d) g becomes smaller

03. If a piece of ice floating on the surface of water in a beaker melts completely, the level of water ____.
(a) Rises
(b) Remains the same
(c) Falls
(d) Initially rises and then falls

04. A Kelvin thermometer and Fahrenheit thermometer used to record temperature of melting metal, read the same. What will a cicelies thermometer read at that temperature ?
(a) 301.25° (b) 273° (c) 457° (d) 760°

05. A hydrogen-filled balloon expands as it rises and may even burst after rising very high in the atmosphere. This happens because _______.
(a) The temperature increases with height
(b) The temperature decreases with height
(c) The atmospheric pressure increases with height
(d) The atmospheric pressure decreases with height

06. If the surface of water in a lake is just going to Freeze, then the temperature of water at the bottom is
(a) 0°C (b) 4°C (c) 3°C (d) None of these

07. A black body emits _______.
(a) Radiations of all wavelengths
(b) No radiations
(c) Radiations of only one wavelengths
(d) radiations of selected wavelength

08. Size of a nucleus is of the order of ________.
(a) 18 10 m – (b) 14 10 m – (c) 10 10 m – (d) 6 10 m –

09. In isothermal expansion of an ideal gas _______.
(a) Heat content remains constant
(b) Temperature remains constant
(c) Both heat content and temperature remains constant
(d) Pressure and temperature of the gas remain constant

10. Two thin blankets piled together are warmer than a single one of the same total thickness as the two because _______.
(a) Air is enclosed
(b) The distance of the heat transmission increases
(c) Total surface increases
(d) It is a wrong statement

Chemistry

Choose The Correct Option :
31. Which of the following is whole number?
(a) Atomic mass (b) Atomic number
(c) Atomic volume (d) Atomic radius
32. An example of covalent compound is _____
(a) CaCl2 (b) KCl (c) BaO (d) CHCl3

33. Which one of the following solution will conduct electricity?
(a) sugar in water
(b) sugar in ethyl alcohol
(c) Iodine in ethyl alcohol
(d) Magnesium chloride in water

34. Ethane is _____
(a) Paraffin
(b) Unsaturated hydrocarbon
(c) Saturated cyclic hydrocarbon
(d) carbohydrate

35. In photosynthesis in plants, H2O and CO2 react in presence of light and chlorophyll to give carbohydrate and oxygen. When carbohydrates are burnt in air, the gases produced are _______.
(a) CO2+H2 (b) CO2+CO
(c) CO2+H2O (d) CO2+O2

36. The chemical formula of a particular compound represents?
(a) The size of molecule
(b) The shape of its molecule
(c) The total number of atoms in its molecule
(d) The number of different types of atoms in its molecule.

37. Which one of the following is used to prepare polythene plastic?
(a) Ethane (b) Methane
(c) Acetylene (d) Ethylene

38. The chemical properties of an atom depend upon the_______.
(a) valency (b) Atomic number
(c) Number of isotopes (d) Atomic weight

39. The number of electrons in the outermost orbit of the chlorine is _______.
(a) 1 (b) 7 (c) 5 (d) 17

40. The three elements most usually contained in fertilizers are_____.
(a) potassium, phosphorus and carbon
(b) sodium, nitrogen and phosphorus
(c) silica, nitrogen and phosphorus
(d) potassium, phosphorus and nitrogen

Biology

Choose The Correct Option :
91. Major requirement of protein in the body is for
(a) energy (b) growth (c) repair (d) proper nourishment
92. Which of the following sets includes the bacterial disease ?
(a) Diphtheria, leprosy, plague (b) Malaria, leprosy, plague
(c) Tetanus, tuberculosis, measles (d) Malaria, mumps, polimyelitis

93. Which of the following diseases is caused by a virus ?
(a) Typhoid (b) Cholera (c) Influenza (d) Diptheria
94. Jaundice is a disease of
(a) kidney (b) pancreas (c) liver (d) duodenum

95. How many species are believed to exist on Earth at present time ?
(a) 5,000 to 10,000
(b) Approximately 100,000
(c) Approximately 500,000
(d) Between 5 million and 30 million

96. Good soil is
(a) Which allows the limited amount of water into it
(b) Which allows to per collate the water slowly from it
(c) Which allows to pass water very quickly from it
(d) Which holds whole of water into it

97. Soil is composed of
(a) Mineral + Water + Air
(b) Mineral + organic matter + Air
(c) Mineral + organic matter + Air + water
(d) Organic matter + water

98. Best source of renewable energy is
(a) Cattle (b) Petroleum (c) Coal (d) Trees

99. Soil erosion can be prevented by
(a) restricted human activity
(b) good plant cover
(c) checking movement of animals
d) wind screen alone

100. CO2 and O2 balance in atmosphere is due to
(a) photorespiration (b) photosynthesis (c) respiration (d) leaf anatomy