Velammal Inter School Science Talent Olympiad Class – VIII Model Question Paper : vkp.co.in

Organisation : Velammal Knowledge Park
Exam : Velammal Inter School Science Talent Olympiad
Document Type : Model Question Paper
Category or Subject : Class – VIII
Year : VISTO -2015 – 16

Website : http://vkp.co.in/visto-2016/model-question-papers/
Download Model Question Paper : https://www.pdfquestion.in/uploads/9539-visto-viii.pdf

VKP VISTO Class – VIII Model Question Paper

Season : II
Class : VIII
Duration : 2hrs.
Max. Marks : 100

Related / Similar Question Paper :
VKP VISTO Class VII Model Question Paper

Mathematics

1. A motor boat covers a certain distance downstream in a river in five hours. It covers the same distance upstream in five hours and a half. The speed of the water in 1.5 km/hr.
The speed of the boat in still water is …………..
a) 30 km/hr
b) 30.5 km/hr
c) 31.5 km/hr
d) 20 km/hr

2. Reade the following paragraph and answer questions :
A card is drawn from a pack of 52 cards. The probability that the card drawn is
6. A numbered card, is …………
a) 13/1
b) 4/1
c) 13/9
d) 2/1

3. The pie chart shows the number of fruits sold in a store. The number of Apples is 180 and the number of Orange is 400. The angle of the sector representing the number of Pears, is …………..
a) 60o
b) 70o
c) 50o
d) 200o

4. The mean of five numbers is 27. If one of the numbers is excluded, the mean gets reduced by 2. Then the excluded number is …………….
a) 35
b) 27
c) 25
d) 40

5. To draw the graph of a line, the least number of points required is …………….
a) One
b) Two
c) Three
d) Four

6. Raghu borrowed Rs. 25000 at 20% p.a. compounded half yearly. What amount of money will clear his debt after 2 1/1 years?
a) Rs. 28275
b) Rs. 36275
c) Rs. 33275
d) Rs. 38275

Physics

1. If the length of a cube is 50 angstrom having breadth as 100 fermi and height as 5 × 1016m, then its volume is given by
a) 25 m
b) 25km
c) 25mm
d) 25cm

2. If unit of length is doubled, the numerical value of area will become
a) doubled
b) Four times
c) One fourth
d) Half

3. Which of the following is not the unit of time?
a) leap year
b) lunar month
c) solar day
d) parallactic second

4. Statement – I: LED glows only when a high current flows through it
Statement – II: Chromium does not resist scratches
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

5. Statement – I: Ceres is present in the asteroid belt between Mars and Venus
Statement – II: High tides and low tides can be noticed every twelve hours in coastal areas
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

6. Assertion: During solar eclipse people living on the earth find their view of the sun blocked
Reason : Solar eclipse happens when the earth passes directly between the sun and moon
a) Both assertion and reason are true and reason is the correct explanation of assertion
b) Both assertion and reason are true but reason is not the correct explanation of assertion
c) Assertion is true but reason is false
d) Assertion is false but reason is true

Chemistry

1. Match the column I with column II and select the correct answer from the codes given below.
a) P (i), Q (ii), R (iii)
b) P (ii), Q (iii), R (i)
c) P (ii), Q (i), R (iii)
d) P (i), Q (iii), R (ii)

2. Among the following. the gas which is used as a starting material for the manufacture of a number of chemicals and fertilizers and also can be easily transported through pipes is
a) Coal gas
b) Hydrogen gas
c) L.P.G.
d) Natural gas

3. Select the correct statements among the following.
(i) Due to its commercial importance petroleum is also called black gold
(ii) Bitumen is used for metalling the roads
(iii) Some inexhaustible natural resources like coal, petroleum & natural gas formed from dead remains of living organisms are known as fossil fuels.
(iv) In the oil wells natural gas forms the top most layer, followed by oil & water.
a) (i) & (ii)
b) (i), (ii) & (iv)
c) (i), (ii) & (iii)
d) (i), (iii) & (iv)

4. Read the given statements and select the correct option.
Statement I : Petroleum & natural gas cannot be prepared in the laboratory.
Statement II : Formation of both petroleum and natural gas is a slow process and conditions required can’t be created in the laboratory.
a) Both statements I & II are true and II is the correct explanation of statement I
b) Both statements I & II are true but statement II is not the correct explanation of statement I
c) Statement I is true & statement II is false
d) Statement II is true & statement I is false

5. Among the following which has higher calorific value?
a) wood
b) petrol
c) methane
d) LPG

Biology

1. How many of the following cells are monokaryotic?
I) Mature R.B.C. II) Smooth muscle cell III) Meristematic cell
IV) Fiber cell V) Nerve cell VI) Sperm cell
a) 2
b) 4
c) 6
d) 3

2. What are the structures that keep the living cell in a dynamic state?
A) E.R.
B) Golgi
C) Lysosomes
D) Mitochondria
E) Ribosomes
F) Nucleus
G) Protoplasm

3. Identify the single membrane bounded, cell organelles found in a typical matured plant cell.
I. Ribosomes II. Lysosomes III. Mitochondria IV. Dictyosomes V. E.R. VI. Chloroplast VII. Peroxisomes
a) II, IV, V & VII
b) I, II, IV, V & VII
c) I, II, III & IV
d) II, III, IV, V, VI & VII

4. Observe the following figure.
Identify the correct set with functions (or) related statements of labelled parts P, Q, R & S.
a) (P) Store house of metabolic bye products
(Q) Outermost living layer of both plant and animal cells.
(R) Protein factories are embedded on their surface.
(S) Most important structure absent in bacteria.