FULL TEST 01
1.Which of the following correctly represents the type of life cycle patterns from the options given?
2.You might find methanogens
3.Why hierarchiral taxonomic system is used?
4.Two plants can be conclusively said to belong to the same species if they
5.Dryopteris differs from Funaria in having
6.Water bloom is generally caused by
7.Heterospory is the production of
8.Identify the stem modification for (A to D)
9.Which of the following plant parts can respire even in the absence of oxygen?
10.Removal of ringwood of tissue outside the vascular cambium from the tree trunk kills it because
11.Lateral roots develop from primordia originated by the division of
12._____ Is a CAM plant.
13.__A__ plants have the higher temperature optimum than __B__ the plants adapted climate Here A and B refer to
14.In photorespiration, what is the role of peroxisome?
15.Last electron acceptor during ETS is
16.Identify enzyme A in the given reaction of Kreb’s cycle OAA + Acetyl Co-A + $H_2 O$ + A → Citric acid + Co – A
17.Column I contain some terms and column II contains their meanings. Match them property and choose the right answer.
18.Vernalisation helps in
19.Synthetic auxins are used for
20.How translocation of organic material is explained in plants?
21.The rate of transpiration will be very less in a situation where
22.If the size of fruits diminishes in plants, which mineral ion should be added to soil?
23.Which one of the following is an amide involved in nitrogen assimilitaion by plants?
24.Which of the following is wrongly matched pair?
25.Bamboo plant flowers only once in their life time, generally 50-100 years, produce larger number of fruits and die. Blue stretches were formed by flowering of plant. Strobilanthus kunthiana in Kerala, Karnataka and Tamil Nadu. It flowers once in how many years?
26.A micropyle is a
27.An ovule is a
28.If there are four cells in a anther, what will be the number of pollen grains?
29.Which of the following is considered as a recessive character of Mendel?
30.In case of incomplete dominance, what will be the phenotypic ratio of $F_2$ generation?
31.Match the following columns
32.In electrostatic precipitator, electrode wires are provided with an electric current of several thousand volts, which produces a corona that release ..A.. These electrons attach to dust particle and given them a ..B.. charge within a very small fraction of a second. Here A and B refers to
33.What happened when we inoculate Rhizobium in the wheat field?
34.Big holes in Swiss cheese are made by
35.Which of the following statement is incorrect about plasmids?
36.Eubacteria includes
37.Match the following columns
38.Choose the wrong pair
39.Match the following columns.
40.The quiescent centre in root meristem serves as a
41.The graph below shows the relation between light intensity and the giving off and taking up of carbon dioxide by the leaves of a plant. Why is most carbon dioxide given off when the light intensity is zero units?
42.Four respiratory enzymes are given below. Arrange them in increasing order of the carbon number of the substrates on which they act. I. Enolase II. Aconitase III. Fumarase IV. Alcohol Dehydrogenase
43.Large amount of ethylene is synthesised by
44.Which of the following statements are true/false? I. The positive hydrostatic pressure is called turgor pressure. II. Wall pressure exerts to prevent the increase of protoplasm size. III. Diffusion is more rapid in liquids than in gases. IV. Diffusion of water through a semi-permeable membrane is called imbibition. V. Osmosis is movement of substance, which takes place along a diffusion gradient.
45.Match the following columns
46.Match the following columns
47.Why sometimes, even diploid offspring is produced through parthenogenesis?
48.Water hyacinth (Eichhornia crassipes) was introduced in Indian water to reduce pollution. It is an example of
49.Match the following columns
50.The following diagram refers to protoplast fusion Here A, B and C refers to
51.A women with albinic father marries an albinic man.the proportion of her progeny is
52.Which one pair of parents is most likely get a child, who would suffer from haemolytic disease of new born?
53.In 1983, Eli Lilly an American company, first prepared two DNA sequences corresponding to A and B-chains of the human insulin and introduced them in the plasmids of Escherchia coli to produce insulin chains. Chains A and B were prepared separately, extracted and combined by creating
54.Eutrophicated lake has BOD
55.In MOET procedure to induce follicular maturation and super-ovulation which of the following hormones are administered to the cow
56.Microorganism such as Lactobacillus and others are commonly called
57.In animal cell, reserve food is usually
58.Synaptonemal complex is formed during
59.The phragmoplast is organized at the
60.The β-pleated sheet structure found in proteins is due to
61.Recombinant DNA have integrated fragment of
62.Inducible/lac operon system operates in:
63.Which of the following is not Darwin’s conclusion?
64.Identify the geographical periods (A, B, C) in the given diagram
65.In DNA fingerprinting, detection of hybridised DNA fragments is possible by
66.A community that starts the process of succession in a barren habitat is called
67.An overwhelming majority …A… of animals and nearly all plants cannot maintain a constant internal environment. Their body temperature …B… with the ambient temperature. In aquatic animals, the osmotic concentration of the body fluids …C… with that of the ambient water osmotic concentration. These animals and plants are simply conformers Choose the correct option for A , B and C
68.When there are large number of post-reproductive or older individuals and lesser number of pre-reproductive individuals then that population is
69.Choose the respiratory organ that are not present in phylum-Arthropoda
70.Osteichthyes and Chondrichthyes are similar in which of the following features?
71.Collagen is a
72.The type of tissue lining present on the ducts of salivary gland and pancreas is
73.Graft transplantation to save certain patients fails due to the rejection of such organs by the patient. Which type of immune response is responsible for such type of rejection?
74.Cannabinoid are the group of chemicals, which interact with cannabinoid receptors present principally in
75.Which of the following statements best describes the role of reverse transcriptase?
76.What is false for GIFT?
77.Pills have to be taken daily for period of …A… days. Starting preferably within first five days of menstrual cycle? After a gap of …B… days, it has to be repeated in the same pattern Complete the given NCERT statement by filling up the blanks A and B
78.Spermatids are transformed into spermatozoa by
79.In the beginning of menstruation what will happen?
80.Which of the following disorder is an outcome of irregularities in metabolism of the nitrogenous waste?
81.The counter current mechanism operates in nephron
82.Hepatic portal system is a
83.At high altitude, RBCs of human blood will
84.The back flow of faecal matter in the large intestine is prevented by the presence of
85.If ADH level of blood is less then
86.Which of the following pairs of features is a good example of polygenic inheritance?
87.Bacterial flagellum consists of all of the following components except
88.In eukaryotes, RNA polymerase III catalyses the synthesis of
89.Find out the incorrect match.
90.Match the following columns
91.Ions that must be present for binding the cross bridges is
92.During pregnancy which one of the following is excreted?
93.Urine formed by nephornes is ultimately carried to …A… where at stored fill a voluntary signal is given by the …B… . This signal is initiated by …C… of urinary bladder as it gets filled with urine. Choose the correct option for A, B and C to complete the given NCERT statement
94.The absorption of glycerol, fatty acids and monoglycerides takes place by the
95.Transport of $CO_2$ by the blood is primarily dependent upon
96.Pick the true statements with reference to human beings I. Vertebral column consists of 26 vertebrae II. Vertebral is dorsally placed III. Neural canal invertebra is the passage for spinal cord IV. Netural canal is ventrally placed The option with all correct statements is
97.Humerus fits into glenoid cavity is example of
98.Corti’s organs is present in
99.Given is the diagram of human eye. Identify A and E
100.Match Column I with Column II and select the correct option
101.The standard heat of combustion of Al is-837.8 kJ $mol^{-1}$ at 25℃. If Al reacts with $O_2$ at 25℃, which of the following release 250 kJ of heat?
102.Which of the following is not a intensive property?
103.The empirical formula of a compound of carbon with hydrogen is $CH_2 $ . 1 L of this gaseous compound has mass equal to that of 1 L $N_2$ under standard state. Thus, molecular formula of the compound is
104. 4 moles of A are mixed with 4 moles of B, when 2 moles of C are formed at equilibrium according to the reaction A +B ⇌ C+ D The value of equilibrium constant is
105.The rate constant of a reaction is $0.0693 min^{-1}$. Starting with 10 mol, the rate of the reaction after 10 min is
106.If a is the initial concentration of reaction, then the half life period of a reaction, of nth order is
107.The transition of electrons in H atom that will emit maximum energy is
108.The standard reduction potentials of $Cu^{2+} |Cu$ and $Cu^{2+} |Cu^+$ are 0.337 V and 0.153 V, respectively. The standard electrode potential of $Cu^+|Cu$ half cell is
109.Due to Frenkel defect, the density of the ionic solids
110.The term that corrects for the attractive forces present in a real gas in the van der Waals’ equation is
111.The ratio of the rate of diffusion of helium and methane under identical condition of pressure and temperature will be
112.Which of the following statements is not correct?
113.Brownian motion is a/an
114.Which solution will show maximum elevation in boiling point?
115.The factor $\frac{∆T_f}{K_f}$ represents
116.Which of the following represents the example of a homopolymer?
117.p-Chloroaniline and anilinium hydrochloride can be distinguished by:
118.The type of isomerism exhibited by the compound with formula $C_4 H_10 O$ is:
119.Racemic acid + optically active alcohol having chiral C atom →? The product will be:
120.With a change in hybridisation of the carbon bearing the charge, the stability of a carbanion increase in the order
121.The compound that will react with HBr most readily is:
122.Acidic hydrogen is present in:
123.The compound with the highest boiling point is:
124.$C_6 H_5-CH=CHCHO +X → C_6 H_5 CH=CHCH_2 OH$ In the above sequence (X) can be:
125.Aryl halides are less reactive towards nucleophilic sub¬stitution reaction as compared to alkyl halides due to:
126.In alkaline earth metal sulphates, the value of hydration energy decrease down the group because of the
127.Which of the following disproportionates when treated with water?
128.Acid strength of HX (X=F,Cl,Br,I) is dependent on
129.When the following five anions are arranged in order of decreasing ionic radius, the correct sequence is
130.Which pair of compounds is expected to show similar colour in aqueous medium?
131.In diamond crystal each carbon atom is linked with carbon atoms. The number of carbon atoms linked is
132.Gallium arsenide is purified by
133.Which one of the following is an example of coordination isomerism
134.In which of the following molecules would you expect the nitrogen-to- nitrogen bond to be the shortest?
135.Which of the following leads to redox reaction?
136.Which of the following substances contains greatest mass of chlorine?
137.The pH of an aqueous solution of $Ba(OH)_2$ is 10. If the $K_{sp}$ of $Ba(OH)_2 $ is $1×10^{-9}$, then the concentration of $Ba^{2+}$ ions in the solution in $mol L^{-1}$ is
138.1 g atom of an α-emitting $_Z X^A$ (half life = 10 hr) was placed in sealed containers, $4.52×10^{23}$. Helium atoms will accumulate in the container after
139.If the specific conductance of 1 M $H_2 SO_4$ solution is $26×10^2 S cm^2 mol^{-1}$, then the equivalent conductivity would be
140.The ratio of packing density in fcc, bcc, and cubic structure is, respectively,
141.Statement 1: Antioxidants inhibits free radical reactions. Statement 2: Tertiary butyl hydroquinone is an antioxidant.
142.The α-amino acid which contains the aromatic side chain is:
143.Mixture of 1°,2° and 3° amines cannot be separated by
144.Phenol is more acidic than
145.When benzene sulphonic acid and p-nitrophenol are treated with $NaHCO_3$, the gases released, respectively, are:
146.Statement 1: Acid rain has a pH less than 5 Statement 2: Oxides of nitrogen and sulphur combine with rain water to produce acidic nature
147.Which of the following is preferentially formed on reaction of oxygen and potassium?
148.10 g of bleaching powder on reaction with KI required 100 mL of 1 N hypo. Thus, % of pure bleaching powder is
149.The incorrect configuration is
150.Fusion of borane with NaOH produces
151.The mass and volume of a body are found to be 500±0.05 kg and 1.00 ±0.05 $m^3$ respectively. Then the maximum possible percentage error in its density is
152.Speed of two identical cars u and 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is
153.A project is projected with a velocity of 20 m/s making an angle of 45° with horizontal. The equation for the trajectory is h = $Ax-Bx^2$ where h is height, x is horizontal distance, A and B are constants. The ratio A∶B is ($g=10 ms^{-2}$)
154.A vehicle of mass 120 kg is moving with a uniform velocity of 108 $kmh^{-1}$. The force required to step the vehicle in 10 s is
155.When a spring is stretched by 2 cm, it stores 100 J of energy. If it is stretched further by 2 cm, the stored energy will be increased by
156.The moment of inertia of a flywheel having kinetic energy 360 J and angular speed of 20 $rads^{-1}$ is
157.The mass of the moon is $7.34×10^{22}$ kg and the radius is $1.74×10^6$ m. the value of gravitational field intensity will be
158.A wire is stretched 1 mm by a force of 1 k N. How far would a wire of the same material and length but of four times that diameter be stretched by the same force ?
159.When a wire of length 10m is subjected to a force of 100 N along its length, the lateral strain produced is $0.01×10^{-3}$m. The Poisson’s ratio was found to be 0.4. If the area of cross-section of wire is 0.025$ m^2$, its Young’s modulus is
160.Two stretched membranes of area 2 $cm^2$ and 3 $cm^2$ are placed in a liquid at the same depth. The ratio of pressure on them is
161.A body of length 1m having cross sectional area $0.75m^2$ has heat flow through it at the rate of 6000 Joule/s. Then find the temperature difference if K = $200 Jm^{-1} K^{-1}$
162.Newton’s law of cooling holds good only, if the temperature difference between the body and the surroundings is
163.The sink temperature of a heat engine 77℃. The efficiency is 30%. The source temperature is
164.The latent heat of vaporization of water is 2240 J/g. If the work done in the process of expansion of 1 g is 168 J, then increase in internal energy is
165.22 g of $CO_2$ at 27℃ is mixed with 16 g of oxygen at 37℃. The temperature of the mixture is
166.A particle executes harmonic motion with an angular velocity and maximum acceleration of 3.5 rad/s and 7.5 $m/s^2$ respectively. The amplitude of oscillation is
167.Two springs with spring constants $K_1$ = 1500 N/m and $K_2$ = 3000 N/m are stretched by the same force. The ratio of potential energy stored in spring will be
168.Two points on a travelling wave having frequency 500 Hz and velocity 300$ ms^{-1}$ are 60° out of phase, then the minimum distance between two points is
169.A charge q is placed at the centre of the line joining two equal point charges each equal to Q. The system of three charges will be in equilibrium if q is equal to
170.A 4μF condenser is connected in parallel to another condenser of 8μF. Both the condensers are then connected in series with a 12μF condenser and charged to 20 volts. The charge on the plate of 4μF condenser is
171.A total charge Q is broken in two parts $Q_1$ and $Q_2$ and they are placed at a distance R from each other. The maximum force of repulsion between them will occur, when
172.A hollow conducting spherical shell of radius R is charged with Q coulomb. The amount of work done for moving any charge q from the centre to the surface of the shell will be
173.Two electric lamps of 40 watt each are connected in parallel. The power consumed by the combination will be
174.A straight conductor carries a current of 5A. An electron travelling with a speed of $5×10^6 ms^{-1}$ parallel to the wire at a distance of 0.1m from the conductor, experiences a force of
175.An α-particle with a specific charge of $2.5×10^7 C kg^{-1}$ moves with a speed of $2×10^5 ms^{-1}$ in a perpendicular magnetic field of 0.05 T. Then the radius of the circular path described by it is
176.Substances in which the magnetic moment of a single atom is not zero, is known as
177.Magnetic flux of 10μWb is linked with a coil, when a current of 2 mA flows through through it. What is the self inductance of the coil?
178.In AC series circuit, the resistance, inductive reactance and capacitive reactance are 3Ω,10Ω and 14Ω respectively. The impedance of the circuit is
179.The magnetic field of an Electromagnetic Wave is given by $B_Y$ = $3 ×10^{-7} sin (10^3 x+6.29× 10^{12} t). $ The wavelength of the Electromagnetic Wave is
180.If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is
181.To observe diffraction the size of an obstacle
182.For constructive interference to take place between two monochromatic light waves of wavelength λ, the path difference should be
183.A light of wavelength 4000 Å is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (R = $6.6×10^{-34}$Js)
184.In a radioactive decay. The half-life of radioactive substance is $T_{1/2}$ = 69.3s. The decay constant is
185.The reverse bias in a junction diode is changed from 8 V to 13 V then the value of the current charges from 40 μA to 60 μA. The resistance of junction diode will be
186.A machine gun fires a bullet of mass 40 g with a velocity $1200ms^{-1}$. The man holding it can exert a maximum force of 144 N on the gun. How many bullets can be fired per second at the most?
187.A bomb is kept stationary at a point. It suddenly explodes into two fragments of masses 1g and 3g. The total KE of the fragments is $6.4×10^4J$. What is the KE of the smaller fragment?
188.Two spheres of equal masses, one of which is a thin spherical shell and the other a solid, have the same moment of inertia about their respective diameters. The ratio of their radii will be
189.The escape velocity for the earth is $v_e$. The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is
190.A U-tube is partially filled with water. Oil which does not mix with water is next poured into one side until water rises by 25 cm. On the other side, if the density of oil be 0.8, the oil level will stand higher than the water level by
191.A body of mass 5 g is executing SHM about a fixed point O. with an amplitude of 10 cm, its maximum velocity is $100 cms^{-1}$. Its velocity will be $50 cms^{-1}$ at a distance (in cm)
192.An observer moves towards a stationary source of sound of frequency n. The apparent frequency heard by him is 2n. If the velocity of sound in air is 332 m/sec, then the velocity of the observer is
193.A 20μF capacitor is connected to 45 V battery through a circuit whose resistance is 2000Ω. What is the final charge on the capacitor?
194.A moving coil galvanometer has a resistance of 10Ω and full scale deflection of 0.01A. It can be converted into voltmeter of 10V full scale by connecting into resistance of
195.A magnetic needle lying parallel to a magnetic field required W units of work to turn it through 60°. The torque required to maintain the needle in this position will be
196.A step-down transformer is connected to 2400 volts line and 80 amperes of current is found to flow in output load. The ratio of the turns in primary and secondary coil is 20 : 1. If transformer efficiency is 100%, then the current flowing in primary coil will be
197.An ac source is rated at 220V, 50 Hz. The time taken for voltage to change from its peak value to zero is
198.Three prisms 1, 2 and 3 have the prism angle A = 60°, but their refractive indices are respectively 1.4, 1.5 and 1.6. If $δ_1,δ_2,δ_3$ be their respective angles of deviation then
199.In Young’s experiment, the distance between slits is 0.28 mm and distance between slits and screen is 1.4 m. Distance between central bright fringe and third bright fringe is 0.9 cm. What is the wavelength of used light
200.The ratio of longest wavelength and the shortest wavelength observed in the fifth spectral series of emission spectrum of hydrogen is