Amplitude Talent Search Examination – 2015
CHEMISTRY (VIII)
Q. 1
Give the name of Polymer which is used as a non stick coating in cookware.
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Q. 2
When sodium metal reacts with cold water then product formed is ______?
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Q. 3
When powdered zinc is added to blue copper sulphate solution then the blue colour disappears and a
reddish brown precipitate is seen. This reaction is called as _______?
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Q. 4
The process of removing gangue, rocky impurities like SiO2 present in the ore, is called as
concentration of ore. Suggest another name for this process.
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Q. 5
If an ore is carbonate or a hydrated oxide it is heated in the absence of air below its melting point.
This process is known as ________ ?
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Q. 6
An alloy is a homogenous mixture of two metals or a metal and a non-metal. If one of the metal is
mercury the alloy is called _______?
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Q. 7
Give the example of natural fiber?
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Q. 8
An ideal fuel used in the manufacture of glass and steel is _____?
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Q. 9
Hydrogen reacts with this element to form ammonia?
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Amplitude Talent Search Examination – 2015
Q. 10 Element ‘hydrogen’ was discovered by ______?
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Q. 11 Which gas is called as marsh gas ?
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Q. 12 The black circles in the model represent neutrons,
what do the white circles represent?
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Q. 13 The ion of an element has 3 positive charges, the mass number of atom of this element is 27 and the
number of neutrons is 14. What is the number of electrons in the ion?
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Q. 14 The ratio between the neutrons in C and Si with respect to atomic masses 12 and 28 is____?
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Q. 15 In an experiment 4.5 kg of a fuel was completely burnt the heat produced was measured to be
180,000 kJ. Calculate the calorific value of the fuel?
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Q. 16 Forest fire is an example of _____?
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Q. 17 Write the chemical formula of the sodium phosphate?
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Q. 18 The number of atoms of 2.5 moles sodium?
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Amplitude Talent Search Examination – 2015
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Q. 19 What is the mass in grams of 0.4 moles of CO2?
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Q. 20 CNG means ______?
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Amplitude Talent Search Examination – 2015
BIOLOGY (VIII)
Q. 1
Identify the following cell organelles :
i) Kitchen of cell
ii) sites of energy production
iii) Brain of cell
iv) Secretes enzymes and hormones
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Q. 2
Mitochondria : cristae :: Endoplasmic reticulum : _________.
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Q. 3
Name the smallest and largest cell.
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Q. 4
Plastids present in leaves, fruits, flowers and roots respectively are :
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Q. 5
Machines operate through electricity which is a form of energy. For a biological machine to work,
what acts as an energy source? What is the another name for it?
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Q. 6
Which diagram illustrates fertilization that would most likely lead to the development of a normal
human male?
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Q. 7
Who am I?
i) Mosquito that spreads malaria
ii) Rising of dough due to production of this gas makes the bread porous and spongy.
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Amplitude Talent Search Examination – 2015
iii) Microorganisms that cause diseases in human beings, animals and plants.
iv) Preservation method in which a food stuff is heated to a high temperature and then cooled
rapidly.
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Q. 8
Classify the following as antibiotic, disinfectant, antiseptic, or vaccine.
BCG :
Ampicillin :
Sodium Chloride :
Formaldehyde :
Boric acid :
DPT :
Rifampicin :
Phenol :
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Q. 9
Give one word for the following :
i) Bacteria present in curd
iii) Name for curd/dahi in many countries
ii) Milk protein
iv) Microorganism used in preparation of bread.
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Q. 10 Give one example each for the following which reproduce by
i) budding __________.
ii) fragmentation __________.
iii) binary fission __________.
iv) regeneration __________.
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Q. 11 What is the fate of the following in the development of fruit and seed?
i) Ovule __________.
ii) Ovary __________.
iii) Integuments __________.
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Amplitude Talent Search Examination – 2015
Q. 12 Name those parts of the flower which serve the same function as the following do in the animals.
i) Testis __________.
iii) Eggs __________.
ii) Ovary __________.
iv) Sperms __________.
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Q. 13 Name the accessory sex glands in male reproductive system and location of testes in body of male.
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Q. 14 Who is responsible for sex determination in humans and birds?
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Q. 15 Name the first cloned organism.
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Q. 16 Complete the following flowchart from (a) to (c) & Name the process.
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Q. 17 Fill in the table using the terms listed below :
Structure
Description
______________
(a) Organ that delivers semen to the female reproductive tract.
______________
(b) Part where sperms are produced.
______________
(c) The tube that carries sperm from the epididymis to the urethra.
______________
(d) The tube that carries both sperm and urine down the penis.
______________
(e) Tubules where sperm are stored.
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Amplitude Talent Search Examination – 2015
Q. 18 Oysters are a major part of the diet of star dish. Because of this, people who catch oysters for a living
used to try and kill starfish by cutting them up and throwing them back in to the sea. Suggest why
this practice did not reduce the number of starfish.
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Q. 19 Identify P, Q, R, S.
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Q. 20 Priya and Shriya viewed two unknown slides under a microscope. Slide A had cells having a cell
wall and chloroplasts. Slide B had cells that did not have a cell wall and chloroplasts. Which slide
has plant cells?
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Amplitude Talent Search Examination – 2015
PHYSICS (VIII)
Q. 1
1 th
A solid floats with (4)
of its volume above the surface of water. The density of the solid is _____.
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Q. 2
The area of cross section of a wider tube is 600 cm2 as shown in figure.
If a mass of 20 kg is placed on the massless piston, the difference in the
levels of water in the two tubes is
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Q. 3
The total pressure of water will be equal to 1.5 atmosphere at a depth d below the surface of water,
where 1 atmosphere = 105 Nm−2, then the value of d will be :
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Q. 4
Yamaha Fazer FZ150 has greater rear tyer width than Bajaj Discover DTSi-125. Both tyres are made
with the same type of rubber by MRF. Both bikes have same breaking force and same mass when a
race is held between them, both are travelling at 80 km/hr, when a cow suddenly comes on the road.
Both apply brakes and their tyres lock in place and the bikes still go forward skidding. Which bike
will come to rest first?
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Q. 5
A lever has a mechanical advantage of 4. The mechanical advantage if the load and effort were
interchanged is _____?
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Q. 6
Sunil is lifting a bucket of 400N using a fixed pulley as shown in the figure
through a vertical height of 5m in 10 s. The effort applied by him on the other
end of the rope is 480 N. The efficiency of the pulley is_______?
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Q. 7
A piece of ice of mass 40 g is dropped in to 200 g of water at 50oC. Calculate the final temperature
of water after all the ice has melted. Specific heat capacity of water = 4200 J/kgoC, specific latent
heat of fusion of ice = 336 × 103 J/kg.
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Amplitude Talent Search Examination – 2015
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Q. 8
Two systems are in thermal equilibrium. The quantity which is common for them is _____?
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Q. 9
The property of a light wave which remains constant when it goes from one transparent medium to
another is______?
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Q. 10 Dispersion of light occurs because the property that is different for the constituent colors is
their____?
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Q. 11 In a binocular, a ray of light passes through a right angled prism as shown in
the figure. If the angle between the incident ray and reflected ray is x and
the angle of reflection from the surface AC is r, then the value of (x + r) is ?
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Q. 12 A concave lens can never form an image which is ______?
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Q. 13 Sanjay is running towards a plane mirror with a constant speed of 20 km/hr. Speed of his image as
seen by himself will be _____?
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Q. 14 A burning candle whose flame is 1 cm high is placed at a certain distance in front of a convex lens.
An image of candle flame of the same size is obtained on a white screen kept behind the lens. If 𝑓
denotes the focal length of convex lens, the candle is placed at ______?
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Q. 15 After few hundred years from now, we humans would have polluted the earth with no hope of repair.
So astronomers are searching for other habitable planets where we can relocate. One such planet is
orbiting a star 6 light years away. With out fastest spacecraft travelling at 54,000 km per hour, and
assuming a generation with a typical life span of 80 years, the number of the generation that would
reach the planet would be approximately.
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Amplitude Talent Search Examination – 2015
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Q. 16 The property of the eye due to which animation is possible is ______?
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Q. 17 A submarine that is not moving sends out a sonar sound wave travelling at 2000 m/s which reflects
off a boat back to the submarine. The sonar crew detects the reflected wave 8 s after it was sent out.
How far away is the boat from the submarine?
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Q. 18 Find the wavelength of Ahmednagar Aakashwani FM. Speed of light = 3 × 108 m/s.
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Q. 19 An astronaut of mass 60 kg is revolving around the earth in a satellite. What will be his weight inside
the satelite assuming g = 10 m/s2 ?
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Q. 20 The figure shows a solid glass block of refractive index 1.5.
The lower surface of the block is silvered and behaves as a
reflecting mirror. A white light ray AB is incident on the
glass block as shown. The ray enters the block, gets reflected
and emerges back in to the medium which it came from. The
angle that the emergent ray makes with the surface CD is :
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Amplitude Talent Search Examination – 2015
MATHEMATICS (VIII)
SECTION – II
Q. 1
Alok wanted to type the first 200 natural numbers. How many times does he have to press the keys?
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Q. 2
The cube root of the number 10648 is ______?
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Q. 3
Simplify (
q3−7q × q6−2q
q2q
× q9−2q
1/9
)
.?
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Q. 4
If x2 + y2 + xy = 1 and x + y = 2, then find xy.
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Q. 5
The volume of a sphere varies directly as the cube of its radius and its volume is 36π cm3. Find the
volume of the sphere, when the diameter is doubled.
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Q. 6
A man donated 6% of his income to a charity and deposited 20% of the rest in a bank. If he is left
with Rs. 14,100, then his income is _______.
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Q. 7
The price value of the share of a company increased at the rate of 20% in a year and decreased at the
rate of 10% in the next year. If the present value of the share is Rs. 1000, then what will be its value
after 2 years?
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Q. 8
If the side of a chess board is smaller than its perimeter by 21 cm, then the side of the chess board.
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Q. 9
In ∆ABC, if ∠A = 80o and AB = AC, then ∠B = ________?
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Q. 10 Find the area of a triangle with sides 13 cm, 14 cm and 15 cm.
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Q. 11 Find the area of a regular hexagon of side 6 cm.
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Amplitude Talent Search Examination – 2015
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Q. 12 The volume of a sphere of diameter 42 cm is ______.
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1
Q. 13 If (243)x = (729)y = 33, then find the value of 5x + 6y.
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Q. 14 Which is the greatest among (81)18, (243)15, (27)21 and (9)38?
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Q. 15 The system of equations x + y = 2, 4x + 4y = 8 is ______ (inconsistent/consistent)
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SECTION – II
b
Q. 16 If a and b are whole numbers such that ab = 512, where a > b and 1 < b < 4, then √a =
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Q. 17 If the LCM of the polynomials (x – 3)(x – p) and (x + 3) (x + 5) is (x – 3) (x + 3) (x – p), then p is
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Q. 18 Runs scored by Ramu and Raju are in the ratio 4 : 5. Runs scored by Raju and Ramesh are in the
ratio 3 : 2. How many runs did Raju score, if Ramesh scored 120 runs less than that of Ramu?
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Q. 19 A diamond worth Rs .640000 breaks in to two pieces whose weights are in the ratio 5 : 3. If the value
of the diamond varies directly with square of its weight, then find the loss incurred due to breakage
(in Rs.)
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Q. 20 A doctor wants to divide Rs. 145000 between his son and daughter who are 12 years and 14 years
1
respectively, in such a way that the sum divested at the rate of 12 2 % per annum compounded
annually will give the same amount to each, when they attain 16 years. How should he divide the
sum?
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Q. 21 Mahesh has certain number of problems with him. He can solve some fixed number of problems
every hour. After solving for 5 hours, he is left with 384 problems. If he had solved for 10 hours, he
is left with 144 problems to solve. Find the number of problems with Mahesh initially.
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Amplitude Talent Search Examination – 2015
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Amplitude Talent Search Examination – 2015
Q. 22 In the figure 1.1, AC and BD intersect at E such that BE = EC,
3
∠ABE = 70o and ∠DCE = 80o. If ∠BAC = 2 ∠CDE, then find ∠BEC.
figure 1.1
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Q. 23 In the figure 1.2, AB is parallel to CD. P and R are the points
on AB and CD respectively. Q is in between AB and CD.
Find the value of x in degrees.
figure 1.2
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Q. 24 In the figure 1.3, ABCD is a parallogram. Find the value of r.
figure 1.3
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Q. 25 In the figure 1.4 , BC = a cm, AB = c cm, AD = b cm. Find EC.
𝑎 cm
figure 1.4
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Q. 26 A spherical piece of metal of diameter 6 cm is drawn into a wire of 4 mm in diameter. Find the
length of the wire.
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Q. 27 The sum of five consecutive odd natural numbers is 65. Find the sum of the extreme numbers.
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Amplitude Talent Search Examination – 2015
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3
3
1
3
Q. 28 If √3 ( √x − 3 ) = 2, then √x +
x
√
1
3
√x
= __________.
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Q. 29 Find the greatest value of x which satisfies the in equation 2 ≤
11x + 15
3
≤ 5.
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Q. 30 If area of a sector of a circle is π/6 cm2 and its radius is √7 cm. Find the arc length of arc which is
covered by the sector. (in terms of π).
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