FULL TEST 06
1.Botanical name of banana is
2.Which meristem helps in increasing girth?
3.A human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. How many chromatids does it contain altogether?
4.In Chlorophyceae, sexual reproduction occurs by
5.Ulothrix can be described as a
6.According to Danielli and Davson, the phospholipid bilayer is covered on either side by (i) Hydrated globular proteins(ii) a -globular proteins(iii) b -globular proteins(iv) Only spectrin protein with sialic acid
7.Which one of the following animals is correctly matched with its particular named taxonomic category ?
8.The endosperm of gymnosperm is
9.When funiculum, chalaza, and micropyle lie in one straight line then ovule is called –
10.Which one of the following statements is correct for secondary succession ?
11.Identified A, B, C and D.
12.Gloriosa superba is a good example of one of the following :
13.Biochemical Oxygen Demand (BOD) in a river water
14.A bract can be differentiated from bracteole by its :
15.The parenchyma tissue which forms the bulk of ovule where the sporogenous tissue is produced is –
16.‘Hunger signs’ in plants are :
17.Movement of ions or molecules in a direction opposite to that of prevailing electrochemical gradient is known as
18.Which one is the correct summary equation of photosynthesis?
19.Which one is a long day plant?
20.Which of the following is used as antitranspirant?
21.Which of the following statements concerning rubisco are true.
22.Turgor pressure become equal to the wall pressure when
23.The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (a-d) the components or reaction labelled as A, B, C and D are identified correctly?
24.Which of the following statements about Rhizobium legume nodule formation is not true ?
25.Which of the following statement is incorrect ?
26.Nucleotide arrangement in DNA can be seen by
27.Genetic map is one that
28.DNA template sequence of CTGATAGC is transcribed over mRNA as
29.Humus is essential for plant growth because:
30.Which one of the following pesticides is banned now a-days?
31. Ozone hole means
32.The new varieties of plants are produced by
33.A functional piece of mRNA has 66 codons. What is the maximum number of amino acids that could be present in the protein coded for by this mRNA?
34.What is the optimum pH for growth in most bacteria?
35.The following diagram is the polynucleotide chain. Identify A, B, C, D and E.
36.Waves of muscle contractions that move the intestinal content are :
37.The method that renders the seed coat permeable to water so that embryo expansion is not physically retarded is
38.In Kreb’s cycle, the FAD precipitates as electron acceptor during the conversion of
39.In the DNA molecule :
40.Dormant lettuce seeds were exposed to the following succession of brief periods of red light (R) and far-red light (FR) light : FR-R-FR-R-FR- R-FR. Which of the following is most likely to occur ?
41.Which of the following would generally be considered the healthiest habitat?
42.Which one of the following help in absorption of phosphorus from soil by plants?
43.The area where wild populations, traditional life styles and genetic resources are protected is :
44.The figure below is the diagrammatic representation of the E.Coli vector pBR322. Which one of the given options correctly identifies its certain component (s) ?
45.Which one of the following option is correct for A, B, C and D?
46.The formation of gametophyte from the sporophyte (without meiosis) is called
47.The suspensor
48.The genotype of a plant showing the dominant phenotype can be determined by
49.During transcription, the DNA site at which RNA polymerase binds is called
50.Silencing of mRNA has been used in producing transgenic plants resistant to:
51.Slime moulds in the division myxomycota (true slime moulds) have
52.Approximate prothrombin time in a normal individual is
53.Tapeworms have all of the following characteristics except ?
54.Anaemia due to failure of maturation of RBC is
55.A vein possesses a large lumen because
56.Which one of the following is NOT a characteristic of phylum Annelida?
57.Fish which can be used in biological control of mosquitoes/Larvicidal fish is
58.A person which shows the secondary sexual characters of both male and female is called –
59.Amniocentesis is a technique
60.The diagram shows an antibody molecule.Identify A to F.
61.The copper ions of IUDs
62.The transfer of zygote or early embryo (up to 8 blastomere) into fallopian tube is
63.The embryonic membrane involved in the formation of placenta in human is
64.Identical twins are produced when
65.Which of the following induces parturition ?
66.Jaundice is a disorder of
67.Child death may occur in the marriage between
68.Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to
69.A person who is one along hunger strike and is surviving only on water, will have
70.Haemoglobin is having maximum affinity with:
71.Rhythmic stretching of the arteries caused by heart contractions is called
72.Which region of the kidney nephron is the main site of amino acid reabsorption?
73.Both cri du chat syndrome and Down’s syndrome
74.In live stock breeding experiments the following stage is transferred to surrogate mothers
75.The presence of gill slits, in the embryos of all vertebrates, supports the theory of
76.Which of the following has been recently used for increasing productivity of super milk cows?
77.The change of the light-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) is due to
78.A person with the sex chromosomes XXY suffers from
79.There is no life on moon due to the absence of
80.The density of a population in a given habitat during a given period, fluctuates due to changesin four basic process. On this basis fill up A andB boxes in the given diagram with correct options
81.Two of the body parts which do not appear in MRI may be
82.Hormones generally cause a response in a cell by
83.The largest quantity of air that can be expired after a maximal inspiratory effort is called
84.The black pigment in the eye which reduces the internal reflection is located in
85.Which one of the following does NOT change in length when a muscle fibre contracts?
86.Which of the following correctly describes the role of myelin in the nervous system?
87.Following feedback relationship is seen between three glands and their hormones. The secretion of ‘b’ is decreased by ‘a’, secretion of ‘c’ is increased by ‘b’ while the secretion of ‘a’ is decreased by ‘c’. Increased or decreased amounts of a hormone cause an increase or decrease in the amount of the following hormone in the system. Now if ‘a’ is added to the system, the secretion of ‘c’ is
88.Match the following (w.r.t. insert size)
89.Which one of the following pairs is incorrect ?
90.In which one of the following pairs of diseases both are caused by viruses ?
91.Electroporation procedure involves
92.Black water fever is a severe complication of
93.Increased asthmatics attacks in certain seasons are related to
94.For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of :
95.Which one of the following statements is correct with respect to AIDS?
96.Structure connecting the foetus to placenta is
97.The chemical method of contraception includes
98.Snakes do not possess legs, because
99.Aedes aegypti is a vector of
100.Outbreeding leads to reduction in
101.Which of the following statements is incorrect regarding dehydrohalogenation of alkenes ?
102.Which of the following pairs of compounds are positional isomers ?
103.Which one of the following complexes will consume more equivalents of aqueous solution of $AgNO_3$?
104.Match the columns
105.If 0.1 M of a weak acid is taken, and its percentage of degree of ionization is 1.34%, then its ionization constant will be :
106.An organic compound X (molecular formula $C_6H_7O_2N$) has six carbon atoms in a ring system, two double bonds and a nitro group as substituent, X is
107.In which of the following regions hydrogen and helium are found
108.Which of the following statement(s) is/are correct?(i) The atomic and ionic radii of alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods. (ii) Second ionisation enthalpies of the alkaline earth metals are smaller than those of the corresponding alkali metals.(iii) Compounds of alkaline earth metals are more extensively hydrated than those of alkali metals
109.The chemical system that is non-aromatic is
110.Among the following compounds (I - III), the ease of their reaction with electrophiles is,
111.Haemoglobin contains 0.334% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (at. wt. of Fe is 56) present in one molecule of haemoglobin are
112.The cation that will not be precipitated by H$_2$S in the presence of dil. HCl is :
113.The correct order of thermal stability of hydroxides is:
114. AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal to 387 pm. The distance between two oppositely charged ions in the lattice is :
115.The reagent (s) which can be used to distinguish acetophenone from benzophenone is (are)
116.For the cell $Zn|Zn^{2+}(1M)||Cu^{2+}(1M)|Cu$, $E^0$cell is 1.10V, $E^0_{Cu^{2+}/Cu}$ = 0.34 V and for the cell $Cu|Cu^{2+}(1M)||Ag^+(1M)|Ag$, $E^0$cell = 0.46V hence, $E^0$cell of the cell Zn|$Zn^{2+}(1M)||Ag^+(1M)|Ag$ is
117.Among the following complexes, optical activity is possible in
118.The r.m.s velocity of hydrogen is √7 times the r.m.s velocity of nitrogen. If T is the temperature of the gas , then
119.The correct order of ionic radii of $Y^{3+}$, $La^{3+}$, $Eu^{3+}$ and $Lu^{3+}$ is
120.The pKa of an amino acid is 9.15. At what pH amino acid is 5% dissociated ?
121.In the froth floatation process for the purification of ores, the ore particles float because
122.$T_{50}$ of first -order reaction is 10 min. Starting with 10 mol L$^{-1}$, rate after 20 min is
123.Which of the following organometallic compound is σ and π bonded?
124.Which of the following statement is false ?
125.The correct order of the decreasing ionic radii among the following isoelectronic species are :
126.A compound A with molecular formula $C_{10}H_{13}Cl$ gives a white precipitate on adding silver nitrate solution. A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis gives C and D. C gives Cannizzaro reaction but not aldol condensation. D gives aldol condensation but not Cannizzaro reaction. A is :
127.$SnO_2$ is taken in basic medium and current is passed. Colloidal sol migrates towards
128.0.45 g of acid of molecular weight 90 was neutralized by 20 ml. of a 0.5N caustic potash. The basicity of an acid is
129.Which of the following is a broad spectrum drug?
130.A compound on treatment with NaOH followed by addition of $AgNO_3$ produces white precipitate at room temperature. The precipitate is soluble in $NH_4OH$. The compound is identified as
131.Which of the following statements(s) is/are incorrect? (i) Only $frac{1}{8}^{th}$ portion of an atom located at corner of a cubic unit cell is its neighbouring unit cell. (ii) Total number of atoms per unit cell for a face centered cubic unit cell is 3 . (iii) Atom located at the body center is shared between two adjacent unit cells.
132.Equivalent conductance of an electrolyte containing NaF at infinite dilution is 90.1 Ohm$^{-1}$ cm$^{2}$.If NaF is replaced by KF what is the value of equivalent conductance?
133.The enthalpy of combustion of $C_6H_6$ is – 3250 kJ, when 0.39 gm of $C_6H_6$ is burnt in excess of oxygen in an open vessel, the amount of heat evolved is
134.In which of the following is there a consistent decrease in atomic radius as the atomic number increases?
135.The basicity of aniline is less than that of cyclohexylamine. This is due to
136. Given $Fe^{3+}_{(aq)}+e^- → Fe^{2+}_{(aq)}$; $E^0$ = +0.77V $Al^{3+}_{(aq)}+3e^- → Al_{(s)}$; $E^0$ = -1.66V $Br_{2(aq)}+2e^- → 2Br^-$; $E^0$ = +1.09V Considering the electrode potentials, which of the following represents the correct order of reducing power?
137.Mac Arthur process is used for the extraction of:
138.$H_3BO_2$ is
139.The following equilibrium constants are given: $N_2+3H_2 ⇄ 2NH_3;K_1$ $N_2+O_2 ⇄ 2NO;K_2$ $H_2+½O_2 ⇄ H_2O;K_2$ The equilibrium constant for the oxidation of $NH_3$ by oxygen to give NO is
140.The ortho/para directing group among the following is :
141.Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore X and Y are respectively
142.The enthalpies of the following reactions are shown below. $½H_{2(g)} + ½O_{2(g)} → OH_{(g)}$; ∆H = 42.09 kJ mol$^{-1}$ $H_{2(g)} → 2H_{(g)}$; ∆H = 435.89 kJ mol$^{-1}$ $O_{2(g)} → 2O_{(g)}$ ∆H = 495.05 kJ mol$^{-1}$ Calculate the O –– H bond energy for the hydroxyl radical.
143.Elements X, Y and Z have atomic number s 19, 37 and 55 respectively. Which of the following statements is true about them ?
144.$MnO_4^{2-}$ (1 mole) in neutral aqueous medium disproportionates to
145.Formation of a solution from two components can be considered as (i) pure solvent → separated solvent molecules, $∆H_1$ (ii) pure solute → separated solute molecules, $∆H_2$ (iii) separated solvent and solute molecules → solution, $∆H_3$ Solution so formed will be ideal if
146.When the temperature of water will increase then pH value will
147.In non-isolated endothermic reactions
148.Nitrogen reacts with calcium and carbon to give
149.Heterolytic fission of an organic covalent bond gives only
150.Which of the following compounds possesses the C-H bond with the lowest bond dissociation energy?
151.The tempertaure of equal masses of three different liquids A, B and C are 12°C, 19°C and 28°C respectively. The temperature when A and B are mixed is 16°C and when B and C are mixed is 23°C . The temperature when A and C are mixed is
152.Four spheres each of diameter 2 r and the mass M are placed with their centres on the four corners of a square of side l. The moment of inertia of the system about an axis along one of the sides of the square is :
153.Figure shows a capillary rise H. If the air is blown through the horizontal tube in the direction as shown, then rise in capillary tube will be
154.A bar magnet of magnetic moment M is placed in the magnetic field B . The torque acting on the magnet is
155.A phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is π/2. The wave velocity is
156.A simple pendulum is executing simple harmonic motion with a time period T. If the length of the pendulum is increased by 21% the increase in the time period of the pendulum of increased length is
157.In a transformer, number of turns in the primary coil are 140 and that in the secondary coil are 280. If current in primary coil is 4 A, then that in the secondary coil is
158.A triangular block of mass M with angles 30°, 60° and 90° rest with its 30° – 90° side on a horizontal table. A cubical block of mass m rests on 60° – 30° side. The acceleration which M must have relative to the table to keep m stationary relative to the triangular block is (assuming frictionless contact)
159.The K.E. of one mole of an ideal gas is E = (3/2) RT. Then C$_p$ will be
160.A capacitor of the capacitance 10 μF is charged by connecting through a resistance of 20Ω to a battery of 20V, as shown. How much energy is supplied by the battery?
161.The condition for obtaining secondary maxima in the diffraction pattern due to single slit is
162.If R is universal gas constant, the amount of heat needed to raise the temperature of 2 moles of an ideal monoatomic gas from 273 K to 373 K, when no work is done, is
163.How much energy is required for a body of mass 1000 kg to escape from the earth? (g = 9.8 m/s$^2$, R = 6400 km)
164.A wheel with ten metallic spokes each 0.50m long is rotated with a speed of 120 rev/min in a plane normal to the earth’ s magnetic field at the place. If the magnitude of the field is 0.40 G, the induced emf between the axle and the rim of the wheel is equal to
165.A closed spherical surface of radius R encloses an electric dipole. The net electric flux through the surface is
166.A spool is pulled horizontally by two equal and opposite forces on rough surface. The correct statement is :
167.If the atom $_{100}Fm^{257}$ follows the Bohr model and the radius of $_{100}Fm^{257}$ is n times the Bohr radius, then find n.
168.Two bodies of masses 10 kg and 100 kg are separated by a distance of 2m ( G = 6.67 × 10$^{-11} Nm^2kg^{-2}$). The gravitational potential at the mid point on the line joining the two is
169.For a given material, the Young’s modulus is 2.4 times that of rigidity modulus, the Poission’s ratio is
170.The logic behind ‘NOR’ gate is that it gives
171.A Laser light of wavelength 660 nm is used to weld Retina detachment. If a Laser pulse of width 60 ms and power 0.5 kW is used the approximate number of photons in the pulse are : [Take Planck’s constant h = 6.62 × 10$^{-34}$ Js]
172.Equipotential surfaces are shown in figure. Then the electric field strength will be
173.A block B of mass 4 kg is placed on a rough horizontal plane. A time dependent horizontal force f = kt acts on the block, k = 2 N/s$^2$. The frictional force between the block and the plane at t = 2 sec is (µ = 0.2)
174.Four charges equal to –Q are placed at the four corners of a square and a charge q is at its cen- tre. If the system is in equilibrium the value of q is
175.Using equipartition of energy, the specific heat (in J kg$^{-1}$ K$^{-1} $) of aluminium at room temperature can be estimated to be (atomic weight of aluminium = 27)
176.A bag of mass M hangs by a long thread and a bullet (mass m) comes horizontally with velocity V and gets caught in the bag. Then for the combined (bag + bullet) system
177.The P-V diagram of a gas system undergoing cyclic process is shown here. The work done during isobaric compression is
178.The electric potential V(x) in a region around the origin is given by V(x) = 4x$^2$ volts. The electric charge enclosed in a cube of 1 m side with its centre at the origin is (in coulomb)
179. A gas is compressed from a volume of 2m$^3$ to a volume of 1 m$^3$ at a constant temperature of 100N/m$^2$. Then it is heated at constant volume by supplying 150 J of energy. As a result, the initial energy of the gas :
180.As intensity of incident light increases
181.A block of mass 60 kg just slides over a horizontal distance of 0.9 m. If the coefficient of friction between their surface is 0.15 then work done against friction will be
182.A projectile is projected at an angle of 45$^0$ with speed u. The radius of curvature of its trajectory at the maximum height is
183.A wheel having moment of inertia 2 kg-m$^2$ about its vertical axis, rotates at the rate of 60 rpm about this axis, The torque which can stop the wheel’s rotation in one minute would be
184.Two long parallel wires P and Q are held perpendicular to the plane of paper with distance of 5 m between them. If P and Q carry current of 2.5 amp. and 5 amp. respectively in the same direction, then the magnetic field at a point half- way between the wires is
185.In the given circuit the reading of voltmeter $V_1$ and $V_2$ are 300 volt each. The reading of the voltmeter $V_3$ and ammeter A are respectively
186.The photoelectric work function for a metal surface is 4.125 eV. The cut-off wavelength for this surface is
187.Which is true of the following in a purely resistive ac circuit?
188.The position x of a particle at time t is given by $x = \frac{V_0}{a}(1-e^{-at})$, where $V_0$ is constant and a>0. The dimensions of $V_0$ and a are
189.A soap bubble has radius r and volume V. If the excess pressure inside the bubble is P. Then PV is proportional to
190.A particle executes S.H.M. having time period T,then the time period with which the potential energy changes is
191.If red light and violet light rays are of focal lengths $F_R$ and $F_V$ respectively, then which one of the following is true ?
192.Hysteresis loops for two magnetic materials A and B are given below : These materials are used to make magnets for elecric generators, transformer core and electromagnet core. Then it is proper to use :
193.A ray of monochromatic light suffers minimum deviation of 38$^0$, while passing through a prism of refracting angle 60$^0$. Refractive index of the prism material is
194.Two resistors A and B have resistances $R_A$ and $R_B$ respectively with $R_A<R_B$. The resistivities of their materials are $ρ_A$ and $ρ_B$. Then
195.The escape velocity for a body projected vertically upwards from the surface of earth is 11 km/s. If the body is projected at an angle of 45º with the vertical, the escape velocity will be
196.A steel rope of diameter 2 mm has a breaking strength of 250 kN. If it is required to quadruple the breaking strength then radius of the steel rope should be
197.The force exerted by the floor of an elevator on the foot of a person standing there, is more than the weight of the person if the elevator is A.Going up with increasng speed B.Going down with decreasing speed
198.Which of the following is a non-conservative force?
199.If thermal conductivity of rod is 4, then its thermal resistivity will be
200.The waves in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion is known as