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FULL TEST T i m e : 90 Mi n u t es
Max . Mar k s : 135
INSTRUCTIONS TO CANDIDATES
Read the following instructions carefully before you answer the questions. 1.
The The test paper paper consi consists sts 5 section sections s and and contain contains s 50 question questions. s. •
SECTION-I SECTION-I : This
section contains 30 multiple choice questions. Each question has 4 choices (A), (B), (C)
and (D), out of which only one is correct and carries 3 marks for each correct answer and –1 mark for each wrong answer. •
SECTION-II :
This section contains 5 multiple choice questions. Each question has 4 choices (A), (B), (C) and
(D), out of which one or more answers are correct and carries 4 marks for each correct answer and –1 mark for each wrong answer. •
SECTION - III :
This section contains 2 questions. Each question contains statements given in two columns
which have to be matched. Statements (A, B, C, D) in column I have to be matched with statements (p, q, r, s, t) in column II. For each correct row 2 marks will be awarded and there is no negative marking. •
SECT SECTIO ION N - IV :
This section contains 3 multiple choice questions based on a paragraph. Each question has
4 choices (A), (B), (C) and (D), out of which only one is correct and carries 3 marks for each correct answer and –1 mark for each wrong answer. •
SECT SECTIION - V :
This section contains 10 Integer type questions. The answer to each of the questions is a
single/double digits integer and carries 4 marks for each correct answer and no negative marking. 2.
All All the the ques questi tion ons s are are COMP COMPUL ULSOR SORY Y.
3.
Answer Answer to each question question is to be indicate indicated d using using blue blue ball ball point/ point/ blue ink ink pen by darkenin darkening g the circle circle containi containing ng the the number of the correct alternative in the answer sheet from amongst the four choices given for the corresponding question on the test booklet.
3
This section contains 30 multiple choice questions numbered Q.1 to Q.30. Each question has 4 choices (A), (B), (C) and (D), out of Q.6 which ONLY ONE option is correct. Q.1
Q.2
In gamma ray emission from a nucleus (A) only the proton number changes (B) both the neutron number and the proton number change (C) there is no change in the proton number and the neutron number (D) only the neutron number changes A long straight wire is turned into a loop of radius 10cm. (as shown in figure). If a current of 8 ampere is passed through the loop, then find the value of the magnetic field Q.7 B at the centre C of the loop.
(A) B = 3.424 ×10 –5 Wb/m2 acting inward to the plane.
2k 1 [ NO 2 ]2 k 2
(B) 2k 1[ NO 2 ]2 - 2k 2 [ N 2 O 4 ]
(C) B = 6.424 ×10 –5 Wb/m2 acting inward to the plane.
(C) 2k 1[ NO 2 ] 2 - k 2 [ N 2 O 4 ]
(D) B = 3.424 ×10 –2 Wb/m2 acting inward to the plane.
(D) (2k1 – k 2) [NO2] The standard hydrogen electrode potential is zero, because (A) there is no potential difference between the electrode and the solution (B) hydrogen ions acquire electrons from a platinum electrode (C) it has been measured accurately (D) it has been defined that way Two particles X and Y having equal charge, after being accelerated through the same potential difference enter a region of uniform magnetic field and describe circular paths of radii R 1 and R 2 respectively. The ratio of the mass of X to that of Y is
The maximum velocity of an electron emitted by light of Q.8 wavelength l incident on the surface of a metal of work-
(A)
(C)
Q.5
N2O4,
(B) B = 3.424 ×10 –5 Wb/m2 acting outward to the plane.
function f is
Q.4
k 2
the rate of dis appearance of NO2 is equal to
C
(A)
Q.3
k 1
2 NO2
10cm 8A
(A) fewer suspended solids (B) a lower temperature (C) more dissolved salt (NaCl) particles (D) a higher concentration of OH – ions Twelve moles of hydrogen and twelve moles of iodine were put into a sealed 1 litre container at 500°C and allowed to react. The reaction that took place was as follows : H2(g) + I2(g) 2HI (g) After some time, small amounts of unreacted hydrogen and iodine were still there in the container, but the hydrogen iodide concentration became constant. This is because (A) there was not enough hydrogen to react with all the iodine (B) the hydrogen iodide was reacting with the container (C) iodine loses its reactivity at high temperature (D) the reaction reached a state of equilibrium In the reversible reaction
2(hc + lf) ml 2(hc - lf) ml
(C) 2( hc + lf) ml (D)
Q.9
2(hl - f) m
In a pure capacitive A.C. circuit current and voltage differ in phase by (A) 0° (B) 45° (C) 90° (D) 180° Two clear solutions are placed in two separated beakers. The pH of first solution is 4, and the pH of second solution is unknown. The two solutions are mixed and the resulting pH is 5. The second solution must have –
(A)
æ R 1 ö ÷ (C) ç è R 2 ø
SPACE FOR ROUGH WORK
æ R 2 ö ÷ (B) ç è R 1 ø
R 1 R 2 2
(D)
R 2 R 1
2
4 Q.10 When electric power is carried through electric power lines,
there is loss in power. This loss in power occurs because the electric current encounters resistance in the wires. What could possibly be the reason for this loss in electric power ? (A) The energy is converted into thermal energy and is released into the atmosphere. (B) The energy is converted into electromagnetic energy and is released as microwaves. (C) The energy is transferred to the mechanical energy (D) The energy is transferred to the air as light energy while travelling along the power lines. Q.11 Consider the following elements of period 3 of the periodic table. Third period elements Na
Mg
Al
Si
P
S
Q.13 Which of the cell organelles have not deoxyribonucleic
acid? (A) Mitochondria and nucleus (B) Chloroplast and mitochondria (C) Nucleus and chloroplast (D) Lysosome and dictyosome Q.14
Human
Lizard
Whale
Bat
Cl
Nature of oxides
The figure above shows : (A) Structures with a common origin but with a different ¾¾¾ ¾¾¾¾¾¾ ¾¾¾¾® function Acid turn blue litmus red and bases turn red litmus blue. (B) Structures with common origin and common function By looking at the above information, which of the follow(C) Structures with different origin but common function ing conclusions is true – (D) Structures with different origin and different function (A) Elements on the extreme right of the periodic table will Q.15 A bar magnet is placed north-south with its north pole due turn blue litmus red. north. The points of zero magnetic field will be in which (B) Elements on the extreme left of the periodic table will direction from centre of magnet – turn blue litmus red. (A) North and south (C) Elements on the extreme right of the periodic table will (B) East and west turn red litmus blue (C) North-east and South-west (D) None of these (D) North-east and South-east Q.12 Five equal resistances each of resistance R are connected as shown in the figure. A battery of V volts is connected Q.16 Metals react differently with water. The more vigorous is the reaction, the more is the bubble formation. The follow between A and B. The current flowing in the circuit is ing diagram illustrates the reaction of sodium, magnesium C and copper with water. Basic nature of oxide decreases
R R
F R
R A B
D
E R
(A) (C)
2V R V R
(B) (D)
3V R V 2R
Bubbles Sodium
Magnesium
5 Q.19 A network of four capacitorsof capacityequal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are conducted to a battery as shown in the figure. The ratio of the charges on C2 and C4 is
Copper
What can be concluded from this diagram? (A) Magnesium reacts more vigorously with water than sodium and copper. (B) Sodium reacts more vigorously with water than magnesium and copper. (C) Sodium reacts more vigorously than copper but less vigorously than magnesium. (D) Copper reacts more vigorously with water than sodium and magnesium. Q.17 Which organic structure among the following is not an isomer of the compound (A) CH3CH2OCH =CHCH2CH3 (B) CH3CH = CHCH2CH2CHO (C) (CH3)2CH–CO–CH2CH3
x x x
(A)
(D) CH3CH2COCH2CH2CH3 Q.18 Janet thought that plants needed light and oxygen to grow. She set up four jars as shown to test this idea.
x x x x x
x
x x
x
x x x
x x x
x
x x
x
x
x
x x vx B x
x
x
x
time and space, pointing perpendicular and into the plane of the loop exists everywhere. The current induced in the loop is
CH3 –CO–CH2CH2CH2CH3 ?
light
(A) 4/7 (B) 3/22 (C) 7/4 (D) 22/3 Q.20 A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its side. A magnetic induction B constant in
Dark cupboard no light
light
(C)
Bl v R
clockwise
(B)
Bl v R
anticlockwise
2B l v
(D) zero anticlockwise R Q.21 The diagrams below show the relationship between the numbers of producers and consumers in two food chains. Producer ® Primary Consumer ® Secondary Consumer Food chain one
air with oxygen
radish plant
oxygen removed from air
only oxygen
damp soil
air with oxygen
ra dish plant
Which jars would be necessary to test her idea? (A) W and X only (B) W and Y only (C) W, X and Z only (D) W, Y and Z only
Seeds and grass Seeds and grass
Rabbits
Cats
Rabbits Cats Increasing no. of individuals
6 Food chain two
Q.26 Parasympathetic nervous system increases the activity of
Caterpillars Trees
Birds
Q.27
Trees Caterpillars Birds Q.28
Which of the following statements is supported by the information above? In a food chain (A) there are more primary consumers than there are secondary consumers. (B) there are more primary consumers than there are producers. (C) primary consumers are larger than secondary consumers. (D) primary consumers are usually insects that eat plants. Q.22 The correct IUPAC name of compound CH3 - CH 2 - C - CH - CHO is – || | O CN
(A) 2-cyano-3-oxopentanal (B) 2-formyl-3-oxopentaenitrile
Q.29
Q.30
(A) Gut, iris and urinary bladder (B) Heart, adrenal and sweat gland (C) Heart, pancreas and lachrymal gland (D) Lachrymal gland and sweat gland The process of transpiration in plants helps in: (A) Opening of stomata (B) Absorption of CO2 from atmosphere (C) Upward conduction of water and minerals (D) Absorption of O 2 from atmosphere. A step-up transformer operates on a 230V line and a load current of 2A. The ratio of the primary and secondary windings is 1 : 25. The current in the primary is – (A) 25A (B) 50A (C) 15A (D) 12.5A In a lime kiln (type of furnace) the reversible reaction CaCO3 CaO + CO2 proceeds to completion because of – (A) High temperature (B) CO2 escapes (C) Low temperature (D) Increased atmospheric pressure Which of the following is a Lewis acid ? (A) Cl – (B) NH3 (C) BF3 (D) C2H5OH
(C) 2-cyano-1,3-pentanedione (D) 1, 3-dioxo-2-cyanopentane Q.23 If there is no formation of egg cell during the development of ovule, then after fertilization which of the following structure will not develop – (A) embryo (B) endosperm (C) seed (D) fruit Q.24 The new strain of bacteria produced by biotechnology in alcohol industry is (A) Escherichia coli (B) Saccharomyces cerevisiae (C) Bacillus subtilis (D) Pseudomonas putida Q.25 A pair of slip rings is used in – (A) ac generator
(B) dc generator
(C) ac motor
(D) dc motor
ONE OR MORE THAN ONE MAY BE CORRECT This section contains 5 multiple choice questions numbered Q.31 to Q.35. Each question has 4 choices (A), (B), (C) and (D), out of which ONE OR MORE are correct. Q.31 Which of the following statement is correct?
(A) The causal organism for foolish seedling disease is the source of gibberellin (B) Abscisic acid is a growth promoter (C) The ratio of auxin to cytokinin control cell differentiation (D) Bolting of cabbage can be induced by treatment with IAA Q.32 The diagram given below shows nuclear fission in U-235. Which of the following observation is/are true ?
7
(i) –CHO : Aldehyde
| (ii) -C = O : Ketone.
(ii) –OH : hydroxyl group (iv) –COOH : carboxyl group (B) The product other than water formed on burning of ethanol in air is Carbon dioxide. (C) The functional group present in propanone (acetone) is (Ketone) (D) None of these Q.35 Which of the following statements about a catalyst is/are
true ? (A) a catalyst accelerates the reaction by bringing down the energy of activation (B) a catalyst does not take part in the reaction (C) a catalyst makes the reaction more feasible by making the DGº more negative (D) a catalyst makes the equilibrium constant of the reaction more favourable for the forward reaction.
(A) Nuclear fission of Uranium is a chain reaction (B) Each Uranium atom produces three more atoms of different kinds SECTION-III : (C) Each neutron splits into 3 more neutrons (D) Large amount of energy is evolved during this reacMATCH THE COLUMN TYPE QUESTIONS tion. Q.33 Consider the following elements of group 1 of the periodic This section contains 2 matching column type questions numbered Q.36 and Q.37. Each question contains statements given in two table. columns which have to be matched. Statements (A, B, C, D) in column I can have correct matching with ONE or MORE statements (p, q, r, s, t) in column II. The appropriate bubbles corresponding Elements Symbols Atomic to the answers to these questions have to be darkened as illustrated Radii (pm) in the example : Lithium
Li
123
Sodium
Na
157
Potassium
K
202
Rubidium
Rb
216
If the correct matches are A - p, s and t; B - q and r; C - p and q; and D - s and t; then the correct darkening of bubbles will look like the given.
Cesium
Cs
235
Q.36 Match the following :
Francium
Fr
256
(B) Size of the atom increases on going down the group
Q.34 Choose the correct options ?
(A) Names of the functional groups :
r r r r r
s s s s s
Column II
(A) Sodium
(p) Swollen and bleeding
(B) Potassium
gums
(q) Regulation of osmotic pressure of cells
(C) Size of the atom remains constant througout the group (D) None of the above
q q q q q
Column I
Choose the incorrect options? (A) Size of the atom decreases on going down the group
A B C D
p p p p p
(C) Calcium
(r) Xerophthalmia
(D) Ascorbic acid
(s) Excites nerves
(E) Retinal
(t) Muscle contraction
t t t t t
8 Q.37
Column I
(A) (B) (C) (D)
HCl NH3 H2O CN –
Column II
p. Bronsted base q. Bronsted acid r. Arrhenius acid s. Lewis base in adduct displacement reaction
This section contains a paragraph for Q.38-Q.40. Each question has 4 choices (A), (B), (C) and (D), out of which ONLY ONE is correct.
Q.41 An electric heater has resistance of 12W and is operated
from 220volts power line. If no heat escapes from it time required to raise the temperature of 40 kg of water from 15°C to 80°C is (2700 + X) sec. Find the value of X. Q.42 A heater is designed to operate with a power of 1000W in a 100V line. It is connected to two resistance of 10 W and R W as shown in figure. If the heater is now operating with a power of 62.5 W. Calculate the value of R (in ohm). 10W Heater
R
Image formation by thin lenses follows the reaction 1 1 1 - = . v u f
100V Q.43 The magnetic field of a given length of wire carrying a
We know that for real objects, a concave lens forms a virtual current for a single turn circular coil at centre is B, then its image whereas a convex lens forms an image that could be real or value for two turns for the same wire when same current virtual. Consider a lens and a small object placed at right-angles to passing through it is XB. Find the value of X. its optic axis at a position (1) such that the image formed is six Q.44 For the reaction A + 2 B ® C , rate is given by R = [ A] [ B]2 times magnified. The object a now shifted away from the lens to then the order of the reaction is another position (2) at a distance 12cm. from position (1) and an Q.45 The number of isomers of C6H14 is image, that is magnified two times but of the same nature as in the Q.46 In the following reactions find the sum of x + y + z earlier case is obtained. Shifting the position of object from (2) to ® yNa O (i) x Na + O2 ¾¾ 2 a third position (3) results in an image that is 4 times reduced in ¾¾ ® Na SO + y H O (ii) H2SO4 + 2NaOH 2 4 2 size. At all the positions so far, length of the object is kept perpen® 2H O + O (iii) y H2O2 ¾¾ 2 2 dicular to the optic axis. ® 2AlPO + zH (iv) 2Al + 2H3PO4 ¾¾ 4 2 ® CaCl + y H O (v) Ca(OH)2 + 2HCl ¾¾ 2 2 Q.38 Distance of positions (1) and (2) of the object from the Q.47 Identify the total number of true statments : optic centre are, respectively – (i) Bending of Tentacles in Drosera in Thigmonasty. (ii) Cytokinins are present in greater concentration in young (A) 42cm, 54cm (B) 54cm, 42cm fruits and seeds. (C) 60cm, 48cm (D) 72cm, 60 cm (iii) In humans, protein digestion is completed in the mouth. Q.39 Distance of position (3) from optic centre is – (iv) Fore-brain is centre of intelligence, control of movements, hearing, smell and sight. (A) 150cm (B) 180cm (v) Deficiency of folic acid produces scurvy. (C) 75cm (D) 60cm (vi) The amount of usable energy remains constant as it is Q.40 Focal length of lens is – passed from one trophic level to another. (vii)Sugars manufactured in the leaf are translocated to (A) 36 cm (B) 48 cm storage organs through the xylem in the form of sucrose. (C) 75cm (D) 60cm (viii) Arteries are the widest blood vessels. (ix) Cellulose is a linear polymer of a-glucose. (x) Competitive inhibitors are those substances which have This section contains 10 questions numbered Q.410 0 a structural resemblance with the substrate. 1 1 Q.50. The answer to each of the questions is a single/ Q.48 Compound formed from the combination of an element X 2 2 double digit integer. The appropriate bubbles below (atomic number 20) with the element Y (atomic number 17) 3 3 the respective question numbers in the response is XPYQ. Find the value of P + Q. 4 4 grid have to be darkened. Q.49 Man has A pairs of chromosomes in body cells. Find the 5 5 For example, if the correct answer to a question is value of A. 6 6 92, then the correct darkening of bubbles will look Q.50 Find the self inductance (in henry)of a coil in which an 7 7 like the given. For single digit integer answer darken e.m.f. of 10 V is induced when the current in the circuit 8 8 the extreme right bubble only. changes uniformly from 1 A to 0.5 A in 0.2 sec. 9 9
9
