FULL TEST 03
1.The first organisms to appear on earth were
2.Which of the following bacteria carry out is/are photosynthesic autotrophs?
3. A water fern which is used as a green manure in rice fields is
4.Which of the following does not have stomata ?
5.Which is correct about transport or conduction of substances?
6.The quiescent centre in root meristem serves as a
7.This plant was introduced in India because of its beautiful flowers and shape of leaves but it became a notorious weed in Indian water bodies. Identify this plant.
8.The “Eyes” of the potato tuber are
9.Conifers are especially sensitive to acid rain because their needles literally take moisture out of clouds. Because of acid rain, Mt. Mitchell, the highest peak in the eastern Appalachians, has seen dramatic loss of pine forest. The damage on this mountain most likely stems from
10.Which of these is a pollution related to occupational health hazard disease ?
11.Stirred tank bioreactors have been designed for
12.Which of the following pair has haploid structures?
13.Identify the different parts of a typical dicot embryo labelled as A, B and C and select the correct option.
14.Double fertilization is fusion of
15.Acacia trees endure a 7-month dry season in the African savanna by dropping their leaves. This adaptation allows the trees to
16.‘Whip-tail’ disease in cauliflower is noted due to deficiency of
17.Six tubes containing preparations from animal tissue were set up as shown in the table. Tube contents (i) glucose + homogenised cells(ii) glucose + mitochondria(iii) glucose + cytoplasm lacking organelles (iv) pyruvic acid + homogenised cells(v) pyruvic acid + mitochondria(vi) pyruvic acid + cytoplasm lacking organelles After incubation, in which three tubes would carbon dioxide be produced?
18.Carbon dioxide labelled with $^{14}$C has been used to identify the intermediate compounds in the Calvin cycle, the light independent stage in photosynthesis. Which compound would be the first to contain the $^{14}$C
19.Which one of the following is essential for photolysis of water ?
20.Three or four of the following elements are ab- sorbed by terrestrial plants as ions or components of ions. Which, if any, of the following is NOT absorbed by plants as an ion? If all are absorbed in ionic form, choose answer :
21.The graph below shows the relationship between diameter of stomatal aperture and rate of transpiration in still air and in moving air. At which point on the graph is the rate of transpiration independent of stomatal aperture ?
22.The dihybrid ratio in $F_2$ generation is
23.The zone of atmosphere that lies near the ground is
24.Reverse transcriptase is
25.Dwarf Wheat Varieties brought into India from Mexico were
26.A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this. (i) Lots of urea and phosphate fertilizer were used in the crops in the vicinity (ii) The area was sprayed with DDT by an aircraft (iii) The lake water turned green and stinky (iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis.
27.Which of the following features would be characteristic of the stratosphere but not of the troposphere ?
28.Glycogen is a polymer of
29.What is the end product of glycolysis of a glucose molecule?
30.In some succulent plants like Opuntia the R. Q. is zero because
31.From the following list, select the first action that phytochrome seems to have in causing a developmental effect in a plant.
32.In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cells' DNA. These proteins probably act to
33.Which of the following is not true for oxidative phosphorylation?
34.Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency ?
35.Biodiversity of a geographical region represents
36.Use of transgenic plants as biological factories for the production of special chemicals is called–
37.Which of the following sets consists of endangered wild life species of India ?
38.Agarose extracted from sea weeds finds use in :
39.Select the wrongly matched pair of antibiotic to its source
40.Which organelle is surrounded by a double phospholipid bilayer with many large pores?
41.Niche overlap indicates
42.Coconut milk (coconut water) is widely used in tissue culture because it contains
43.The okazaki fragments in DNA chain growth
44.Leghaemoglobin helps in
45.Important objective of biotechnology in agriculture section is –
46.Moderate rainfall during summer produces
47.Find the mismatch pair
48.The Great Barrier Reef along the east coast of Australia can be categorised as
49.A person is suffering from impaired nervous system and madness after prolonged consumption of polluted water. Which metal is responsible?
50.If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offsprings will be
51.The combination of a true coelom and repeating body segmentation allows the annelids to do which of the following that anatomically “sim- pler” worms cannot ?
52.Which bacteria is utilized in gober gas plant?
53.Excretory organs of Cockroach are
54.What is common among silverfish, scorpion, crab and honey bee?
55.Tendons and ligaments are the example of
56.The type of epithelial cells which line inner surface of fallopian tubes, bronchioles and small bronchi are known as
57.The graph below shows how gaseous exchange in an amphibian varies with temperature. The graph shows that at all temperatures the lungs :
58.Mark the unmatched one
59.Match Column-I with Column-II and select the correct option from the codes given below.
60.If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from
61.Where is one least likely to find complete semen (all components are present)?
62.Plants of salty sea shore wet lands are :
63.Umbilical cord has
64.The diagram below shows a mammalian nephronand indicate how it functions in three parts, x, y and z. In x the adrenal glands have been removed In y the adrenal glands have been left intact (control). In z the adrenal glands have been removed and an extract of adrenal hormone produced which was then injected back into the same animal. Which one of the following accounts for the higher rate of reabsorption of $Na^+$ in z?
65.The logistic population growth is expressed by the equation :
66.Which one of the following pairs of food components in humans reaches the stomach totally undigested ?
67.Which one of the following is a correct matching pair?
68.Proximal and distal convoluted tubules are parts of
69.Which one of the components of ECG in human is correctly interpreted below ?
70.Which tube in the accompanying diagram of a heart correctly represents the result of a successful coronary bypass operation ?
71.Deposition of uric acid crystals within the synovial joint causes:
72.Homologous organs are
73.In Down’s syndrome of a male child, the sex complement is
74.Which of the following combinations is generally recommended for composite fish farming in India?
75.Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to
76.Jurassic period of the mesozoic era was characterised by
77.The "Cri-du-Chat" syndrome is caused by change in chromosome structure involving
78.In history of biology, human genome project led to the development of :
79.Look at the diagram given below. Parts labelled as ‘A’, ‘B’, ‘C’, ‘D’ and ‘E’respectively indicate
80.Oxygen dissociation curve of haemoglobin is
81.Which of the following is made up of a single bone in mammal ?
82.Intercostal muscles are found attached with
83.Eustachian tube connects
84. Match Column-I with Column-II and select the correct option from the codes given below.
85.Which one of the following is not a second messenger in hormone action ?
86.A genetically engineered bacteria used for clearing oil spills is :
87.What is true about T-lymphocytes in mammals?
88.The use of Cannabis products (bhang, ganja, charas, marijuana or hashish) causes
89.During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded ?
90.Carcinoma refers to
91.smooth muscle of the digestive tract, a dry mouth sensation, and dilated pupils. Therefore, atropine is a(n)____ drug and mimics the effect of the ____ nervous system.
92.African sleeping sickness is due to
93.Which one of the following are rich in fructose, calcium and some enzymes?
94.The number of floating ribs, in the human body, is
95.Which one of the following statements is correct?
96.The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles and small bronchi are known as
97.Which of the following hormone is a derivative of amino acid
98.Curdling of milk in small intestine ocurs due to the action of
99.What is not a common feature in Periplaneta and scorpions?
100.Choose the correct statement
101.IUPAC name of the following compound :
102.Match the columns
103.A is a lighter phenol and B is an aromatic carboxylic acid. Separation of a mixture of A and B can be carried out easily by using a solution of
104. (Ag + Pb)alloy + metal and zinc is added $→$ (Ag + Pb + Zn)melt + cool $→$ Layer X & Layer Y Select correct statement based on above scheme.
105.The rate of a reaction A doubles on increasing the temperature from 300 to 310 K. By how much, the temperature of reaction B should be increased from 300 K so that rate doubles if activation energy of the reaction B is twice to that of reaction A.
106.Which of the following is not correct ?
107.(I) n = 3, l = 2, m$_1$ = – 2 (II) n = 3, l = 1, m$_1$ = 0 (III) n = 3, l = 0, m$_1$ = – 1 (IV) n = 3, l = 2, m$_1$ = 0 (V) n = 3, l = 3, m$_1$ = – 2Of these question state designation which does not describe an allowed state for an electron in an atom ?
108.Which of the following compounds is a good conductor of electricity in solution state?
109.Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds ? 1. $CH_3 - C ≡ C - CH_3$ 2. $CH_3 - CH_2 - CH_2 - CH_3$ 3. $CH_3- CH_2C≡CH$ 4. $CH_3 - CH = CH_2$
110.$N_2$ + $3H_2$ $→$ $2NH_3$. In this reaction equivalent weight of $N_2$ is
111.Which of the following is/are the hazardous pollutant(s) present in automobile exhaust gases? (i) $N_2$ (ii) CO (iii) CH$_4$ (iv) Oxides of nitrogen
112. $Zn^{2+}$ $→$ $Zn_{(s)}$ ; $E^0$ = -0.76 V $Cu^{2+}$ $→$ $Cu_{(s)}$ ; $E^0$ = -0.34 V Which of the following is spontaneous?
113.In the form of dichromate, Cr (VI) is a strong oxidising agent in acidic medium but Mo (VI) in MoO$_3$ and W (VI) in WO$_3$ are not because ________. (i) Cr (VI) is more stable than Mo(VI) and W (VI). (ii) Mo (VI) and W(VI) are more stable than Cr(VI). (iii) Higher oxidation states of heavier members of group-6 of transition series are more stable. (iv) Lower oxidation states of heavier members of group-6 of transition series are more stable.
114. A compound formed by elements X and Y crystallizes in a cubic structure in which the X atoms are at the corners of a cube and the Y atoms are at the face centres. The formula of the compound is
115.An alkene having molecular formula $C_7H_{14}$ was subjected to ozonolysis in the presence of zinc dust. An equimolar amount of the following two compounds was obtained The IUPAC name of the alkene is
116.At a particular temperature, the vapour pressures of two liquids A and B are respectively 120 and 180 mm of mercury. If 2 moles of A and 3 moles of B are mixed to form an ideal solution, the vapour pressure of the solution at the same temperature will be (in mm of mercury)
117.Which of the following complex ions is expected to absorb visible light? (At. no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
118.According to the adsorption theory of catalysis, the speed of the reaction increases because-
119.A pressure cooker reduces cooking time for food because
120.Most reactive halide towards $S_{N^1}$ reaction is
121.The absolute configuration of the following :
122.The rate constant k, for the reaction $N_2O_{5(g)}$ $→$ $2NO_{2(g)}$ + $½O_{2(g)}$ is 1.3 × $10^{-2}s^{-1}$ Which equation given below describes the change of [$N_2O_5$] with time ? $[N_2O_5]_0$ and $[N_2O_5]_t$ corrospond to concentration of $N_2O_5$ initially and time t.
123.Among the following the most stable compound is :
124.Lead is not affected by dil. HCl in cold because
125.Aniline is reacted with bromine water and the resulting product is treated with an aqueous solution of sodium nitrite in presence of dilute hydrochloric acid. The compound so formed is converted into a tetrafluoroborate which is subsequently heated dry. The final product is
126.With which one of the following elements silicon should be doped so as to give p-type of semiconductor ?
127. X is identified as
128.Copper crystallises in fcc with a unit length of 361pm. What is the radius of copper atom ?
129.Aminoglycosides are usually used as:
130.Aluminium displaces hydrogen from acids but copper does not. A galvanic cell prepared by combining $Cu/Cu^{2+}$ and $Au/Au^{3+}$ has an e.m.f of 2.0 V at 298°K. If the potential of copper electrode is + 0.34 V, that of aluminium is
131.An organic compound X on treatment with pyridinium chlorochromate in dichloromethane gives compound Y. Compound Y reacts with I$_2$ and alkali to form triiodomethane. The compound 'X' is
132.A sudden large jumps between the values of second and third ionization energies of an element, would be associated with which of the following electronic configuration?
133.Which is major product formed when acetone is heated with iodine and potassium hydroxide?
134.On increasing the pressure, the gas phase reaction proceed forward to re-establish equilibrium, as predicted by applying the Le-Chatelier’s principle. Consider the reaction. $N_{2(g)}$ + $3H_{2(g)}$ $⇄$ $2NH_{3(g)}$ Which of the following is correct, if the total pressure at which the equilibrium is established, is increased without changing the temperature?
135.Ethanol can be prepared more easily by which reaction ? $CH_3CH_2Br$ + $H_2O$ $→$ $CH_3CH_2OH$ $CH_3CH_2Br$ + $Ag_2O$ + Boiling water $→$ $CH_3CH_2OH$
136.The oxidation states of iodine in $HIO_4$, $H_3IO_5$ and $H_5IO_6$ are respectively
137.Which is correct statement?
138.Regarding F$^-$ and $Cl^-$ which of the following statements is/are correct? (i) $Cl^-$ can give up an electron more easily than F$^-$ (ii) $Cl^-$ is a better reducing agent than F$^-$ (iii) $Cl^-$ is smaller in size than F$^-$ (iv) F$^-$ can be oxidized more readily than $Cl^-$
139.Among the following, the species having square planar geometry for central atom are (i) $XeF_4$ (ii) $SF_4$ (iii) $[NiCl_4]^{2-}$ (iv) $[PtCl_4]^{2-}$
140.Carbon and silicon belong to group 14. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to
141.Which one of the following statement is not true?
142.For a first order reaction, to obtain a positive slope, we need to plot {where [A] is the concentration of reactant A}
143.Among the following molecules (i) $XeO_3$, (ii) $XeOF_4$, (iii) $XeF_6$ Those having same number of lone pairs on Xe are
144.If the energy difference between the ground state of an atom and its excited state is 4.4 $×$ 10$^{-4}$ J, the wavelength of photon required to produce the transition :
145.Which of the following is not a fat soluble vitamin?
146.Nitrobenzene on reaction with conc.HNO$_3$/$H_2SO_4$ at 80-100$^0$ forms which one of the following products?
147.Which of the following will not be solutble in sodium hydrogen carbonate?
148.The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
149.Which one of the following compounds will be most readily attacked by an electrophile?
150.Tertiary alkyl halides are practically inert to substitution by $S_N^2$ mechanism because of
151.Write the dimensions of a × b in the relation E = $\frac{b-x^2}{at}$, where E is the energy, x is the displacement and t is time
152.Minimum excitation potential of Bohr’s first orbit in hydrogen atom will be
153.A particle performs SHM on x-axis with amplitude A and time period T. The time taken by the particle to travel a distance $\frac{A}{5}$ starting from rest is
154.A body of mass 2 kg is rotating on a circular path of radius 0.8 m with an angular velocity 44 rad/sec. If radius of path becomes 1 m then value of angular velocity will be
155.The motion of particle is described by the equation x = a + bt$^2$ , where a = 15 cm and b = 3 cm/sec$^2$ . Its instant velocity at time 3 sec will be
156.An observer moves towards a stationary source of sound with a speed 1/5th of the speed of sound. The wavelength and frequency of the source emitted any $λ$ and f respectively. The apparent frequency and wavelength recorded by the observer are respectively
157.A coil of insulated wire is connected to a battery. If it is taken to galvanometer, its pointer is deflected, because
158.A heater of 220 V heats a volume of water in 5 minutes time. A heater of 110 V heats the same volume of water in
159.Two identical balls, of equal masses A and B are lying on a smooth surface as shown in fig. Ball A hits ball B (which is at rest) with a velocity v = 16 m/s. What should be the minimum value of coefficient of restitution between A ad B so that B just reaches the highest point of inclined plane.
160.The perfect gas equation for 4 gram of hydrogen gas is
161.A parallel monochromatic beam of light is incident normally on a narrow slit. A diffraction pattern is formed on a screen placed perpendicular to the direction of the incident beam. At the first minimum of the diffraction pattern, the phase difference between the rays coming from the two edges of the slit is
162.According to Einstein’s photoelectric equation, the plot of the kinetic energy of the emitted photoelectrons from a metal vs the frequency of the incident radiation gives a straight line whose slope
163.If a body of mass 3 kg is dropped from the top of a tower of height 25m. Then its kinetic energy after 3 sec is
164.In a nuclear fission, 0.1% mass is converted into energy. The energy released by the fission of 1 kg mass will be
165.If the coefficient of cubical expansion is x times of the coefficient of superficial expansion, then value of x is
166.A projectile is thrown in the upward direction making an angle of 60$^0$ with the horizontal direction with a velocity of 147 ms$^{-1}$ . Then the time after which is inclination with the horizontal is 45$^0$, is
167.An equilateral prism is placed on a horizontal surface. A ray PQ is incident onto it. For minimum deviation
168.A tin nucleus (atomic number Z = 50) has a radius of 6.6 × 10$^{-15}$ m. The potential on its surface will be (the charge on the proton = 1.6 × 10$^{-19}$ C
169.Consider an electric field E = E$_0$x where E$_0$ is a constant. The flux through the shaded area (as shown in the figure) due to this field is
170.Two rods of the same length and areas of cross- section A$_1$ and A$_2 $ have their ends at the same temperature K$_1$ and K$_2$ are the thremal conductivities of the two rods. The rate of flow of heat is same in both rods if
171.A photon collides with a stationary hydrogen atom in ground state inelastically. Energy of the colliding photon is 10.2 eV. After a time interval of the order of micro second another photon collides with same hydrogen atom inelastically with an energy of 15 eV. What will be observed by the detector ?
172.A cylindrical resonance tube, open at both ends, has a fundamental frequency f in air. If half of the length is dipped vertically in water, the fundamental frequency of the air column will be
173.The ionisation energy of hydrogen atom is 13.6 eV. Following Bohr¢s theory, the energy corresponding to a transition between the 3rd and the 4th orbit is
174.The kinetic energy of a body becomes four times its inital value. The new momentum will be
175.Error in the measurement of radius of a sphere is 1%. Then error in the measurement of volume is
176.An alternating current of frequency 200 rad/sec and peak value 1A as shown in the figure, is applied to the primary of a transformer. If the coefficient of mutual induction between the primary and the secondary is 1.5 H, the voltage induced in the secondary will be
177.The I-V characteristics shown in figure represents
178.A glass sinker has a mass M in air. When weighed in a liquid at temperature $t_1$, the apparent mass is $M_1$ and when weighed in the same liquid at temperature $t_2$, the apparent mass is $M_2$. If the coefficient of cubical expansion of the glass is $g_g$, then the real coefficient of expansion of the liquid is :
179.A gymnast takes turns with her arms & legs stretched. When she pulls her arms & legs in
180.A current of I ampere flows in a wire forming a circular arc of radius r metres subtending an angle q at the centre as shown. The magnetic field at the centre O in tesla is
181.The number of degrees of freedom for each atom of a monoatomic gas is
182.A radioactive nuclei with decay constant 0.5/s is being produced at a constant rate of 100 nuclei/s. If at t = 0 there were no nuclei, the time when there are 50 nuclei is:
183.The velocity of electromagnetic radiation in a medium of permittivity $ε_0$ and permeability $μ_0$ is given by
184.A uniform solid cylindrical roller of mass ‘m’ is being pulled on a horizontal surface with force F parallel to the surface and applied at its centre. Ifthe acceleration of the cylinder is ‘a’ and it is rolling without slipping then the value of ‘F’ is :
185.The change in the value of ‘g’ at a height ‘h’ above the surface of the earth is the same as at a depth ‘d’ below the surface of the earth. When both ‘d’ and ‘h’ are much smaller than the radius of earth, then which one of the following is correct?
186. Figure shows three oscillating LC circuit with identical inductors and capacitors. If $t_1$, $t_2$ and $t_3$ are the time taken by the circuits I, II, III for fully discharge, then
187.The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 $Ω$ is
188.A spherical ball of iron of radius 2 mm is falling through a column of glycerine. If densities of glycerine and iron are respectively 1.3 × 10$^3$ kg/m$^3$ and 8 × 10$^3$ kg/m$^3$ , $η$ for glycerine = 0.83 Nm$^2$ sec, then the terminal velocity is
189.The time taken by light to pass through 4 mm thick glass slab of refractive index 1.5 will be (velocity of light in air = 3 × 10$^8$ m/s)
190.Surface tension of a solution is 30 × 10$^{-2}$ N/m. The radius of the soap bubble is 5 cm. The surface energy of soap bubble is
191.The half-life of $^{ 215}At$ is 100µs. The time taken for the radioactivity of a sample of $^{ 215}At$ to decay to $\frac{1}{16}^{th}$ of its initial value is
192.In household electric circuit, which of the following statements is/are incorrect
193.In an p-n-p transistor working as a common base amplifier current gain is 0.96 and emitter current is 7.2 mA. The base current is
194.An intersteller spacecraft far away from the influence of any star or planet is moving at high speed under the influence of fusion rockets (due to thrust exerted by fusion rockets, the spacecrafts is accelearting). Suddenly the engine malfunctions and stops. The spacecraft will
195.In the given figure, the capacitors $C_1$, $C_3$, $C_4$ and $C_5$ have a capacitance of 4µF each. If the capacitor $C_2$ has a capacitance of 10µF, then effective capacitance between A and B is
196. A proton carrying 1 MeV kinetic energy is moving in a circular path of radius R in uniform magnetic field. What should be the energy of an alpha-particle to describe a circle of same radius in the same field?
197.The supply voltage to room is 120V. The resistance of the lead wires is 6 ohm. A 60 W bulb is already switched on. What is the decrease of voltage across the bulb, when a 240 W heater is switched on in parallel to the bulb?
198.A capacitor C can store a maximum charge Q while another capacitor 2C can store a maximum charge Q/2. What maximum charge can be stored by a parallel combination of the two capacitors?
199.Two paralel metal plates having charges +Q and -Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will
200.Diameter of a plano-convex lens is 6 cm and thickness at the centre is 3mm. If speed of light in material of lens is 2 $×$ 10$^8$ m/s, the focal length of the lens is