Download Std. X Sample Paper 1

Std. X
Sample Paper
1
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
PHYSICS
Section – I – Straight Objective Type
This Section contains 7 multiple choice questions. Each question has 4 choices (a), (b), (c) and
(d), out of which ONLY ONE is correct.
1.
2.
By inserting a soft iron piece into a solenoid, the strength of the magnetic field
(a) increases
(b) decreases
(c) first increases then decreases
(d) remains unchanged
If the angle of incidence is equal to the critical angle, the angle of refraction will be
00
3.
(b) 45
(c) 900
(d) 180
In the circuit shown in figure, the current through:
(a) the 3 resistor is 0.50 A
(b) the 3  resistor is 0.25 A
(c) the 4  resistor is 0.50 A
(d) the 4  resistor is 0.25 A
4.
Twelve resistors each of resistance 1 are connected in the circuit shown in figure. Net
resistance between points A and H would be:
(a)
5.
5

3
(b) 1 
(c)
3

4
(d)
7

6
In the given network, the equivalent resistance between A and B is:
(a) 6 
(b) 16 
(c) 7 
(d) 5 
2
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
6.
Two convex lenses placed in contact from the image of a distant object at P. if the lens
B is moved to the right, the image will
(a) move to left
(b) move to the right
(c) remains at P
(d) move either to the left of right, depending upon focal lengths of the lenses.
7.
A fish is little away below the surface of a lake. If the critical angle is 49 , then the fish
could see things above the water surface withing an angular range of
(a)
49
(c)
= 24
where
(b)  = 98
(d)
= 90
3
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
CHEMISTRY
Section – I – Straight Objective Type
This Section contains 7 multiple choice questions. Each question has 4 choices (a), (b), (c) and
(d), out of which ONLY ONE is correct.
1.
Which of the following represents an esterification reaction?
Conc . H SO
(a) CH 3COOH  C2 H 5OH  2
4  CH 3COOC2 H 5  H 2O
Heat
(b) CH 3COO2 H 5  NaOH 
 CH 3COONa  C 2 H 5OH
633 K
(c) CH 3COONa  NaOH Cao
,
 CH 4  Na2CO3
(d) CH 4  Cl2 
 CH 3Cl  HCl
2.
Butene-1 may be converted to butane by reaction with
(a) Pd/H2
(b) Zn – HCl
(c) Sn – HCl
(d) Zn
–
Hg
3.
Ionisation potentials of alkaline earth metals are:
(a) less than alkali metals
(b) same as that of alkali metals
(c) more than alkali metals
4.
(d) equal to zero group elements
Elements of the same group of the periodic table have:
(a) same atomic size
(b) same electronic configuration
(c) same number of electrons in outermost shell of their atom
(d) same number of atoms
5.
Consider the two gaseous equilibria involving SO2 and the corresponding equilibrium
constants at 298 K are
1
SO2 ( g )  ( g )
2
2SO2 ( g )  O2 ( g ); K 2
SO3 ( g ); k1 , 2SO3 ( g )
The values of equilibrium constants are related by
(a) K2 = K1
6.
(b) K2 = K12
(c) K 2 
1
K12
(d) K 2 
1
K1
The pH of 0.1M solution of the following salts increases in the order
(a) NaCl < NH4Cl < NaCN < HCl
(b) HCl < NH4Cl < NaCl < NaCN
(c) NaCN < NH4Cl < NaCl < HCl
(d) HCl < NaCl < NaCN < NH4Cl
4
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
7.
Ethene is produced when
(a) ethanol reacts with ethanoic and in presence of a few drops of conc. H2SO4
(b) ethanol is oxidized with acidified potassium dichromate
(c) ethanol is heated with excess of conc. H2SO4 at 443 K
(d) ethanol reacts with Na metal
5
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
MATHS
Section – I – Straight Objective Type
This Section contains 7 multiple choice questions. Each question has 4 choices (a), (b),
(c) and (d), out of which ONLY ONE is correct.
1.
AB is diameter of circle. CD is a chord parallel to AB and 2CD = AB. The tangent at B
met the line AC produced at E. Then,
(a) AE = 2AB
2.
(b) 3z
(d)
(b) m2 – n2 = m2 + n2
(c) m2 + n2 = 4mn
(d) m2 – n2 = 4mn
+ a21 = ?
(a) 361
(b) 363
If 2x = a +
(a) ab +
6.
3
z
2
(c) z
Let a1, a2, a3, ……, a21 be in A.P. such that a1+a2+a3+…….., + a21 = 693, then a1+a3+a5+ a7
+ ……..,
5.
(d) AE = 5AB
tan + sin = m and tan – sin = n
(a) m2 – n2 = 4 mn
4.
(c) AE = 4 AB
In the given figure, O is the center of circle. Then find x + y = ?
(a) 2z
3.
(b) AE = 3AB
1
ab
(c) 365
1
1
and 2y = b + , then find the value of xy +
a
b
(b)
1
1 
 ab 

2
ab 
(c) 2ab
(d) 398
x
2


 1 y 2 1
(d)
1
2ab
A point p is inside an equilateral triangle. If the distance of p from the sides are 4, 5, 6
unit, then length of the side is
(a) 5 3
(b) 10 3
(c) 15 3
(d) 20 3
6
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
7.
On selling a tea-set at 5% loss and lemon-set at 15% gain, a shopkeeper gains Rs. 84.
However, if he sells the tea-set at 5% gain and the lemon-set at 10% gain he gains Rs.
104. find the sum of price of 1 tea-set and 1 lemon-set paid by the shopkeeper.
(a) 1328 Rs.
(b) 1504 Rs.
(c) 1680 Rs.
(d) 1240 Rs.
7
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
BIOLOGY
Section – I – Straight Objective Type
This Section contains 7 multiple choice questions. Each question has 4 choices (a), (b), (c) and
(d), out of which ONLY ONE is correct.
1.
Which of the following has no role in digestion of food?
(a) mouth
(b) stomach
(c) oesophagus
(d)
small intestine
2.
An animal that lives in the desert and therefore has less water available, is likely to
excrete:
(a) Ammonia
3.
(c) Urea
(d) Guano
Genetic constitution or genetic make up is also known as:
(a) Genome
4.
(b) Uric acid
(b) Genetics
(c) Genotype
(d) Genealogy
All of the following would be present in the used dialysis solution during
haemodialysis, except:
(a) Urea
5.
(b) excess salts
(c) Ammonia
(d) all of the above
What is true for mammalian heart?
(a) it is 4- chambered
(b) its contraction is initiated by the heart muscle fibres themselves
(c) all of the above are true
(d) none of the above
6.
Which of the following is an example of anaerobic inspiration in humans?
(a) Glycogenolysis
(b) Kreb’s cycle
(c) Urea cycle
(d) Lactic acid production from pyruvate in muscles during vigorous exercise
7.
Choose the odd one out:
(a) budding
(b) binary fission
(c) fragmentation
(d) gametogenesis
8
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
MENTAL ABILITY
Section – I – Straight Objective Type
This Section contains 7 multiple choice questions. Each question has 4 choices (a), (b),
(c) and (d), out of which ONLY ONE is correct.
Direction: Find the answer choice which gives the same relationship as is found between the
two terms to the left to the sign:
1.
In this diagram A and B are two squares, each of side 2a. B is attached to ‘A’ at the
point ‘C’, which is the centre of square ‘A’, in such a way that it can be rotated on its
axis. Then which of the following statements is correct.
2a
2a
c
A
(a) sweep area is constant throughout the rotation
(b) sweep area will be reduced in clockwise rotation
(c) sweep area will be increased anti-clockwise rotation
(d) we cannot say
2.
There are three ladies X, Y, Z. They marry three men A, B, C. A is a lawyer Z’s
husband is not an engineer. B marries Y. X’s husband is doctor. Which of the following
statements is correct?
(a) A marries X and is a lawyer
(b) C marries Z and is a doctor
(c) Z is married to a lawyer
(d) C marries X and is an engineer
Directions:
3.
How many figures are required in numbering the pages of a book 365 pages?
(a) 987
(b) 789
(c) 879
(d) 873
Directions: In Questions 14 – 16 below numbers have been arranged according to some
order in a block containing sixteen cells. Some cells in each are not filled, and one of
them has a question mark (?) You are required to find out from amongst the
alternatives given against each question, the figure that should occupy the cell with the
question mark (?)
4.
6
9
12
15
4
8
12
12
20
28
19
13
?
(a) 05
(b) 06
(c) 07
(d) 08
9
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232
5.
15
20
18
30
(a) 25
12
?
24
21
18
13
27
8
(a) 41
12
15
1
16
19
17
-
11
21
25
20
(b) 27
(c) 20
(d) 31
6.
6
12
12
-
30
14
?
(b) 42
(c) 43
(d) 44
Direction: The first two items of each of the following questions bear some relationship.
Discover that relation and on the basis of that relation pick up one item from choices, which
bears the same relation with the third word.
7.
DOOR : ? :: TELEPHONE : RING
(a) key
(b) knock
(c) jab
(d) room
10
101, Blue Diamond Complex, Fatehgunj , Vadodara-02 .Tel. No. 2787268 / 2750018 / 2782232