FULL TEST 05
1.Match List I with List II and select the correct answer -
2.Which one of the following is a true fruit?
3.Which of the following meristem is also called ‘file meristem’ ?
4.Which of the following algae are suitable for human consumption?
5.Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
6.Chosse the correct combinations. I. Hypogynous flower II. Perigynous flower III. Epigynous flower
7.Formation of diploid embryo sac from diploid vegetative structure is called :
8.Entry of pollen tube through micropyle is
9.Competition for light, nutrients and space is most severe between
10.From megasporocyte to egg cell, what processes are required ?
11.Which one of the following pairs is not correctly matched ?
12.The electrostatic precipitator is used for removing particulate matter from
13.Keystone species in an ecosystem are those
14.If the gene encoding the trp repressor is mutated such that it can no longer bind tryptophan, will transcription of the trp operon occur?
15.What is the best pH of soil for cultivation of plants ?
16.Telomerase is an enzyme which is a
17.Mass of living matter at a trophic level in an area at any time is called
18.The Triticale is an intergeneric hybrid between :
19.Choose the correct option.
20.An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having
21.The mode of catching insects in Drosera plants is by means of
22.Quantasomes are present in
23.What is the minimum number of cell membranes that a water molecule must move through in getting from the soil into a xylem vessel element ?
24.Which of the following statements regarding photorespiration are true ?
25.A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
26.Which of the following statements correctly characterizes changes in $CaCO_3$, clay and biomass during the long-term aging of soil?
27.Krebs cycle occurs in
28.Most abundant organic compound on earth is
29.An inhibitor is added to a cell culture so that succinate accumulates. The enzyme catalysing the formation of which substance has been blocked?
30.To avoid excessive water loss during severe drought stress, the closure of stomata is signalled by the production of
31.The amount of DNA in a mammalian cell in early prophase I is x.What is the amount of DNA in the same cell in anaphase I of meiosis?
32.The major reason that glycolysis is not as energy productive as respiration is that
33.All the following statements are true with regard to Km value, except :
34.Biodiversity Act of India was passed by the parliament in the year
35.Which one thing is not true about antibiotics?
36.Which one is a neem product used as insect repellent?
37. ‘Axenic culture’ is
38.Which of the following is an antinutritional factor in Brassica napus ?
39.The common nitrogen fixer in paddy fields is
40.In order to obtain virus- free plants through tissue culture, the best method is
41.Rennet is purified by C. Hansen (1874) for commercial use. This enzyme is extracted from
42. Which of the above is Zwitterionic form?
43.Restriction endonucleases are enzymes which
44.Consider the following four statements (i-iv) and select the option which includes all the correct ones only. (i) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc. (ii) Body weight-wise the micro-organism Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day. (iii) Common button mushrooms are a very rich source of vitamin C. (iv) A rice variety has been developed which is very rich in calcium.
45.Biome is
46.The slow rate of decomposition of fallen logs in nature is due to their
47.Which one of the following is not included under in-situ conservation?
48.Chipko movement was launched for the protection of
49.Which is a sex influenced trait?
50.Vasa efferentia are the ductules leading from
51.Sex factor in bacteria is
52.Animals/organisms floating on the surface of water are
53.Which layer is very thick at the sole and palm and is water proof?
54.Spleen is referred to as
55.Given below are four matchings of an animal and its kind of respiratory organ :(i) Silver fish – trachea(ii) Scorpion – book lung(iii) Sea squirt – pharyngeal gills(iv) Dolphin – skinThe correct matchings are
56.In the mouthparts of the cockroach, the organ of mastication is
57.Which one of the following characters is not typical of the class Mammalia?
58.Natural parthenogenesis occurs in:
59.Consider the statements given below regarding contraception and answer as directed thereafter: (i) Medical Termination of Pregnancy (MTP) during first trimester is generally safe (ii) Generally chances of conception are nil until mother breast-feeds the infant upto two years (iii) Intrauterine devices like copper-T are effective contraceptives (iv) Contraception pills may be taken upto one week after coitus to prevent conception Which two of the above statements are correct?
60.Identify the blood vessels A to D.
61.Which pathway of the male reproductive system is correct for the sperms transportation?
62.The second maturation division of the mammalian ovum occurs:
63.A force acting against achievement of highest possible level of population growth is
64.The phase of menstrual cycle in humans that lasts for 7-8 days, is
65.What type of human population is represented by the following age pyramid?
66.The 'Mule' is the result of
67.Haemophilia is more common in males because it is a
68.Theory of inheritance of acquired characters was given by
69.The animal husbandry deals with the care, breeding and management of
70.‘Inland fishery’ refers to
71.The diagram below shows the parasympathetic innervation of the smooth muscle and glands of the stomach. What chemical transmitters are released at the synapses X and Y ?
72.Which of following teeth are lophodont?
73.Pacemaker of heart is
74.Uricotelism is found in
75.A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O$_2$
76.The basic functional unit of the human kidney is
77.Urea from the blood can be removed by
78.What prevents molecules with a molecular mass greater than 68000 passing from the glomerular capillaries into Bowman’s capsule?
79.The nerve centres which control the body temperature and the urge for eating are contained in:
80. Rods and cones of eyes are modified
81.A patient with a pituitary tumor might suffer with polyuria (production of too much urine) as a result of decreased secretion of
82.The sensation of fatigue in the muscles after prolonged strenuous physical work, is caused by
83.Consider the diagram given below Identify the labelled parts as A, B, C, D and E respectively.
84.Which one of the following statements is incorrect ?
85.The residual air in lungs slightly decreases the efficiency of respriration in mammals.
86.An animal with same generic, specific and subspecific names is
87.A meal containing snails, clams and octopus represents which of the following classes of molluscs ?
88.Which one of the following statements is correct?
89.‘Cloning’ is meant for/to
90.A cell coded protein formed in response to infection with most animal viruses is
91.Which one of the following is not used in organic farming?
92.ELISA is used to detect viruses where the key reagent is
93.Vitamin B$_{12}$ is formed during fermentation of
94.Which of the following pairs is not correctly matched ?
95.Which one of the following depresses brain activity and produced feelings of calmness, relaxation and drowsiness?
96.Which one of the following is correctly matched pair of the given secretion and its primary role in human physiology?
97.Where will you look for the sporozoites of the malarial parasite?
98.Which of the following insects is useful for us?
99.There is a restriction endonuclease called EcoRI. What does co. part in it stand for?
100.Genetically engineered bacteria have been successfully used in the commercial production of
101.An acidic solution of 'X' does not give precipitate on passing H$_2$S through it. 'X' gives white precipitate when NH$_4$OH is added to it. The white precipitate dissolves in excess of NaOH solution. Pure 'X' fumes in air and dense white fumes are obtained when a glass rod dipped in NH$_4$OH is put in the fumes. Compound 'X' can be
102.$CN^-$ is a strong field ligand. This is due to the fact that
103.The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid is treated with excess H$_2$S in the presence of conc. HCl (assuming 100% conversion) is :
104.Which one of the following statement is not true ?
105.Which property of white phosphorus is common to red phosphorous ?
106.Heat of dissociation of CH$_3$COOH is 0.005 kcal/g, hence enthalpy change when 1 mole of Ca(OH)$_2$ is completely neutralised by CH$_3$COOH is
107.0.4 moles of HCl and 0.2 moles of $CaCl_2$ were dissolved in water to have 500 mL of solution, the molarity of Cl$^-$ ion is:
108.In sodium fusion test of organic compounds, the nitrogen of the organic compound is converted into
109. A + 2B + 3C $⇄$ $AB_2C_3$ Reaction of 6.0 g of A, 6.0 × 10$^{23}$ atoms of B, and 0.036 mol of C yields 4.8 g of compound $AB_2C_3$ . If the atomic mass of A and C are 60 and 80 amu, respectively, the atomic mass of B is (Avogadro no. = 6 × 10$^{23}$)
110.Inductive effect involves
111.Arrange the following elements in the order of ease of detection of wave properties, in the de Broglie experiment.H, Li, Be, B, K
112.The decreasing order of stability of alkyl carbonium ion is in the order of :
113.Aluminium vessels should not be washed with materials containing washing soda since
114.The following data are for the decomposition of ammonium nitrite in aqueous solution :
115.Which of the following reagents convert propene to 1-propanol?
116.A closed container contains equal number of oxygen and hydrogen molecules at a total pressure of 740 mm. If oxygen is removed form the system then pressure will
117.Compound X of molecular formula $C_4H_6$ takes up one equivalent of hydrogen in presence of Pt to form another compound Y which on ozonolysis gives only ethanoic acid. The compound X can be
118.1 M solution of CH$_3$COOH should be diluted to ............... times so that pH is doubled.
119.The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.
120.Which one of the following is NOT a buffer solution?
121.Which of the following statements is false ?
122.Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
123.The bromination of acetone that occurs in acid solution is represented by this equation. $CH_3COCH_{3(aq)}$ + $Br_{2(aq)}$ $→$ $CH_3COCH_2Br_{(aq)}$ + $H^+_{(aq)}$ + $Br^-_{(aq)}$ These kinetic data were obtained for given reaction concentrations.
124.Match the columns
125. $[Cr(H_2O)_6]Cl_3$ (at n o. of Cr = 24) h as a magn etic moment of 3.83 B. M. The correct distribution of 3d electrons in the Chromium of the complex is
126.Which one of the following cannot function as an oxidising agent ?
127.Identify the reaction which does not liberate hydrogen :
128.Which of the following compounds has the highest boiling point?
129.When concentrated HCl is added to an aqueous solution of CoCl$_2$ , its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in this reaction?
130.Hydrogen has an ionisation energy of 1311 kJ mol$^{-1}$ and for chlorine it is 1256 kJ mol$^{-1}$ . Hydrogen forms H$^+$(aq) ions but chlorine does not form Cl$^+$(aq) ions because
131.The number of enantiomers of the compound $CH_3CHBr CHBr COOH$ is:
132.Equivalent weighs of $KMnO_4$ acidic medium,neutral medium and concentrated alkaline medium respectively are M/5, M/1, M/3. Reduced products can be
133.Which of these have no unit?
134.Which of the following statements is not correct for sigma and pi-bonds formed between two carbon atoms?
135.The reactivity of metals with water is in the order of
136.The emf of Daniell cell at 298 K is E$_1$ $Zn|ZnSO_4(0.01M)||CuSO_4(1.0M)|Cu$ When the concentration of $ZnSO_4$ is 1.0M and that of $CuSO_4$ is 0.01M, the emf changed to $E_2$. What is the relation between $E_1$ and $E_2$?
137.Through which of the following reactions number of carbon atoms can be increased in the chain?(i) Grignard reaction(ii) Cannizzaro’s reaction(iii) Aldol condensation(iv) HVZ reactionChoose the correct option.
138.The correct order of atomic/ionic sizes is
139.The rapid change of pH near the stoichiometric point of an acid-base titration is the basis of indicator detection. pH of the solution is related to ratio of the concentrations of the conjugate acid (HIn) and base (In$^-$) forms of the indicator by the expression
140.In the diazotization of arylamines with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to
141.In lake test of Al$^{3+}$ ion, there is formation of coloured floating lake. It is due to
142.An ideal gas expands in volume from 1×10$^{-3}$ to 1 × 10$^{-2} m^3$ at 300 K against a constant pressure of 1×10$^5 Nm^{-2}$. The work done is
143.Which of the following fact(s) explain as to why p-nitrophenol is more acidic than phenol?(i) –I Effect of nitro group.(ii) Greater resonance effect of p-nitrophenoxy group(iii) Steric effect of bulky nitro group
144.Which of the following reactions will not result in the formation of anisole?
145.What will be the heat of formation of methane, ifthe heat of combustion of carbon is '–x' kJ, heat of formation of water is '–y' kJ and heat of combustion of methane is 'z' kJ ?
146.The total number of atomic orbitals in fourth energy level of an atom is:
147.The first ionisation potential of Na is 5.1 eV. The value of electron gain enthalpy of $Na^+$ will be
148.The number of types of bonds between two carbon atoms in calcium carbide is
149.Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be:
150.pH of a 0.0001 M HCl solution is
151.Two identical particles move towards each other with velocity 2v and v respectively. The velocity of centre of mass is
152.A monoatomic gas at 27°C is compressed adiabatically to 8/27 of its original volume. The rise in temperature will be
153.A galvanometer can be changed into an ammeter by using
154.ABC is a triangular plate of uniform thickness. The sides are in the ratio shown in the figure. $I_{AB}$, $I_{BC}$ and $I_{CA}$ are the moments of inertia of the plate about AB, BC and CA axes respectively. Which one of the following relations is correct?
155.The amplitude of magnetic field of an electromagnetic wave is 2 × 10$^{-7}$T. It's electric field amplitude if the wave is travelling in free space is
156.If c, the velocity of light, g the acceleration due to gravity and P the atmospheric pressure be the fundamental quantities in MKS system, then the dimensions of length will be same as that of
157.A body having initial velocity of 10 m/s moving on a rough surface comes to rest after moving 50 m. What is coefficient of friction between the body and surface? (g = 10 m/s$^2$)
158.A sonometer wire supports a 4 kg load and vibrates in fundamental mode with a tuning fork of frequency 416 Hz. The length of the wire between the bridges is now doubled. In order to maintain fundamental mode, the load should be changed to
159.Given, $_aμ_g$ = $\frac{3}{2}$, $_aμ_w$ = $\frac{4}{3}$, if a convex lens of focal length 10 cm is placed in water, then its focal length in water is
160.A large tank filled with water to a height ‘h’ is to be emptied through a small hole at the bottom.The ratio of time taken for the level of water to fall from h to h/2 and h/2 to zero is
161.A mass is tied to a string and rotated in a vertical circle, the minimum velocity of the body at the top is
162.What is the disintegration constant of radon, if the number of its atoms diminishes by 18% in 24 h?
163.Hot water cools from 60°C to 50°C in the first 10 minutes and to 42°C in the next 10 minutes. The temperature of the surroundings is:
164.Consider the following statement: When jumping from some height, you should bend your knees as you come to rest, instead of keeping your legs stiff. Which of the following relations can be useful in explaining the statement? Where symbols have their usual meanings.
165.Two capacitors when connected in series have a capacitance of 3μF, and when connected in parallel have a capacitance of 16μF. Their individual capacities are
166.The mass number of He is 4 and that for sulphur is 32. The radius of sulphur nuclei is larger than that of helium by
167.The drift current in a p-n junction is
168.A thin, metallic spherical shell contains a charge Q on it. A point charge q is placed at the cente of the shell and another charge q$_1$ is placed outsideit as shown in figure. All the three charges are positive. The force on the charge at the centre is
169.The fermi energy for a substance is
170.If the critical angle for total internal reflection from a medium to vacuum is 30°. Then velocity of light in the medium is
171.A metal piece is heated upto T$^0$ abs. The temperature of the surrounding is t$^0$ abs.The heat in the surrounding due to radiation is proportional to
172.The rain drops are in spherical shape due to
173.An iron rod of length 2m and cross-sectional area of 50 mm$^2$ is stretched by 0.5 mm, when a mass of 250 kg is hung from its lower end. Young’s modulus of iron rod is
174.A particle of mass 1 kg is moving in S.H.M. with an amplitude 0.02 and a frequency of 60 Hz. The maximum force acting on the particle is
175.A dip circle is so set that its needle moves freely in the magnetic meridian. In this position, the angle of dip is 40$^0$. Now the dip circle is rotated so that the plane in which the needle moves makes an angle of 30$^0$ with the magnetic meridian. In this position, the needle will dip by an angle
176.According to Maxwell’s hypothesis, a changing electirc field gives rise to
177.The unit vector along 2î – 3ĵ + k̂ is
178.A bucket full of hot water is kept in a room and it cools from 75$^0$C to 70$^0$C in T$_1$ minutes, from 70$^0$C to 65$^0$C in $T_2$ minutes and from 65$^0$C to 60$^0$C in $T_3$ minutes. Then
179.A man measures the period of a simple pendulum inside a stationary lift and finds it to be T s. If the lift accelerates upwards with an acceleration g / 4, then the period of the pendulum will be
180.The energy of hydrogen atom in the $n^{th}$ orbit is $E_n$, then the energy in the $n^{th}$ orbit of single ionised helium atom is
181.A Carnot engine absorbs 1000 J of heat energy from a reservoir at 127°C and rejects 600 J of heat energy during each cycle. The efficiency of engine and temperature of sink will be:
182.A cubical block of side 30 cm is moving with velocity 2 ms$^{-1}$ on a smooth horizontal surface. The surface has a bump at a point O as shown in figure. The angular velocity (in rad/s) of the block immediately after it hits the bump, is
183.A body moves in a circular orbit of radius R under the action of a central force. Potential due to the central force is given by V(r) = kr (k is a positive constant). Period of revolution of the body is proportional to :
184.Three identical spheres each of radius R are placed touching each other on a horizontal table as shown in figure. The co-ordinates of centre of mass are ;
185.A charge q is moving with a velocity v parallel to a magnetic field B. Force on the charge due to magnetic field is
186.The current in a coil of L = 40 mH is to be increased uniformly from 1A to 11A in 4 milli sec. The induced e.m.f. will be
187.The separation between successive fringes in a double slit arrangement is x. If the whole arrangement is dipped under water what will be the new fringe separation? [The wavelenght of light being used is 5000 Å]
188.Time required to boil 2 litres of water initially at 20°C by a heater coil which works at 80% efficiency spending 500 joule/s is
189.The frequencies of X-rays, g-rays and ultraviolet rays are respectively a, b, and c. Then
190.A ray of light is incident on the surface of separation of a medium with the velocity of lightat an angle 45° and is refracted in the medium atan angle 30°. Velocity of light in the medium will be (velocity of light in air = $3 × 10^8 m/s$
191.An element of 0.05î m is placed at the origin as shown in the figure which carries a large current of 10 A. distance of 1 m in perpendicular direction. The value of magnetic field is
192.Which of the following statements is FALSE for a particle moving in a circle with a constant angular speed ?
193.If an alternating current is flowing in a spring, then the spring will be changing
194.A ball of mass 1 kg bounces against the ground as shown in the figure. The approaching velocity is 25 m/s and the velocity after hitting the ground is 20 m/s. The impulse exerted on the ball is :
195.A man projects a coin upwards from the gate of a uniformly moving train. The path of coin for the man will be
196.Potential at any point inside a charged hollow sphere
197.Two resistances R and 2R are connected in parallel in an electric circuit. The thermal energy developed in R and 2R are in the ratio of
198.A coil carrying electric current is placed in uniform magnetic field
199.In an LCR circuit capacitance is changed from C to 2C. For the resonant frequency to remain unchanged, the inductance should be changed from L to
200.The distance travelled by light in glass (refractive index 1.5) in a nano second will be