question_answer4) Three vectors of equal magnitudes (let P) are lying in a plane such that respective angle between one another is 45°, then the magnitude of these resultants would be
question_answer5) Two vectors of equal magnitude 2 unit lying in the same plane are distributed an angle of\[60{}^\circ \]. The magnitude of their difference would be
question_answer6) Suppose a clock has its minute hand of span 4 cm. The average velocity of tip of the minute land in the time interval 600 am to 6:30 am is
question_answer7) A particle is projected horizontally with muzzle velocity \[v\] from the top of a plane inclined at an angle \[\alpha \] with the horizontal. It strikes the plane at point P shown in the figure. The time taken by particle to reach at point P in terms of u, g,\[\text{ }\!\!\theta\!\!\text{ }\]would be
question_answer8) The geostationary orbit of the earth is at a distance of about 36000 km from the surface of the earth. The weight of 120 kg equipment placed in the geostationary satellite, will be (Given, radius of the earth, R = 6400 km).
question_answer9) A force, \[F=v\times A\]is exerted on a particle in addition to the force of gravity, where v is the velocity of the particle and A is a constant vector in the horizontal direction. Determine the minimum velocity of projection of a particle of mass m so that it is continues to move in deflected with constant velocity.
question_answer10) A little boy having mass 15 kg climbing on a rope with one end fixed to the ceiling. If it wishes to go up with an acceleration of \[1\,\,m\text{/}{{s}^{2}}\] and rope is 5m long, also monkey starts from roof then how much time will it take to reach the ceiling? (take g = 10 \[m\text{/}{{s}^{2}}\])
question_answer11) The car starts from rest on a half kilometer long bridge. The coefficient of friction between the tyre and the road is 1.0. One cannot drive through the bridge in less than (take g = 10\[m\text{/}{{s}^{2}}\])
question_answer12) A rigid bob is fastened to the end of a string and is whirled in a vertical circle of radius r. The minimum speed, bob can have at the highest point of the circle, is
question_answer13) A vehicle is going on a circular track of radius \[r\]. The acceleration is \[a=\frac{dv}{dt}\]. The frictional coefficient between road and tyre is\[\mu \]. The speed at which the car will skid, is
question_answer15) Two cylindrical vessels having equal cross-sectional areas a containing water upto levels \[{{H}_{1}}\] and \[{{H}_{2}}\]. Vessels are connected through a pipe to make level of contained water same in both. If the density of water is d then what will be work done by the gravity in the process?
question_answer17) The figure shows a rectangular plate. Half part of the rectangular plate having density \[{{d}_{1}}\] while second half having density \[{{d}_{2}}\]. The length of the plate l then its centre of mass will be
question_answer18) A sphere of mass is moving with velocity \[v\] collides head on with another sphere of mass 2m at rest. If the coefficient of restitution is \[\frac{1}{2},\]then what will be velocity of second sphere after the collision?
question_answer19) One end of a spring of natural length h and spring constant k is fixed at the ground and the other is fitted with a smooth ring of mass m which is allowed to slide on a horizontal rod fixed at a height h. Initially, the spring makes an angle \[37{}^\circ \] with the vertical when the system is released from the rest. The speed of the ring, when the spring becomes vertical will be
question_answer20) Consider a situation that a rope is hanging from a balloon with which a monkey hangs. The balloon and monkey are in the air and at the rest. If the monkey reaches the top of the rope of length 1 which masses of balloon and monkey are M and m then by what distance does the balloon descend?
question_answer21) Figure shows a pully having moment of inertia \[I\] and radius \[r\]. A string is passing over the fully and is connected to two masses m and M atits ends on either side of the pully. If the string is massless and there is no slippage of rope on the pully, then the accelerations of either of the blocks will be
question_answer23) The gravitational acceleration at the earths surface is g, the work done in slowly lifting, body of mass m from the earths surface to a height R equal to the radius of the earth, is
question_answer24) A rod of Span 1 m is suspended through an end and is set into oscillation with some small amplitude within the gravitational field. The time period will be
question_answer25) The amplitude of an SHM executed by a particle is 10 cm. The distance with respect to mean position (a fixed point), where kinetic energy and potential energy will be equal, is
question_answer26) The surface of water in a water tank on the top of a house is 4 m above the tap level. Is it necessary to specify that tap is closed?
question_answer27) The acceleration of an U-tube containing a liquid, is\[{{a}_{0}}\]. If the diameter of circular part of U-tube is \[I\] then the difference in the heights of liquid in two arms will be
question_answer28) A steel plate efface area 4 \[c{{m}^{2}}\] and thickness 0.5 cm is fixed rigidly at the lower surface. A tangential force of 10 N is applied on the upper surface. The lateral displacement of the upper surface with respect to the lower surface will be [Modulus of rigidity for steel\[=8.4\times {{10}^{10}}N{{m}^{-2}}\]]
question_answer29) A uniform spring of mass 10 g having mass per unit length 0.25 g/cm is attached to spring at one end and to a fixed wall at the other end. The string has stiffness 160 \[N{{m}^{-1}}\] and stretched by 1.0 cm. If the wave pulse is produced on string near the fixed rigid support, then the time will it take to reach the spring is
question_answer30) The sound waves travelling through the air are of wavelength 40 cm. If at the some specified point, the difference between the maximum and minimum pressure is\[1.0\times {{10}^{-3}}N{{m}^{-2}}\] then the amplitude of vibration of medium particles is [The bulk modulus of air is \[1.4\times {{10}^{5}}N{{m}^{-2}}\]]
question_answer32) If the velocity of source is \[{{v}_{s}},\] the velocity of wave (sound) is \[v\]and velocity of observer is \[{{v}_{0}}\] then the match number is defined as the ratio
question_answer33) The light of wavelength 560 nm goes through a pin hole of diameter 0.20 mm and falls on a wall at a distance of 2m. The radius of central bright fringe formed on the wall, will be
question_answer34) An object is focused by a microscope. A glass slab of thickness 2.5 cm is introduced between object and microscope. If the refractive index of slab is 1.5 then by what distance should be microscope be shifted to focus the object again?
question_answer36) An electron moves in the magnetic with speed\[3.0\times {{10}^{6}}m\text{/}s\]. The path of motion of electron is circular. If a particle having charge same as the electron and mass \[1.8\times {{10}^{-27}}\]kg were to move on circle with same radius in the magnetic field of same strength then velocity of charged particle is
question_answer37) By connecting a resistance of 1980\[\Omega \] in series with a voltmeter scale division becomes 100 times larger. The resistance of voltmeter is
question_answer38) An \[{{N}_{1}}\text{-}\]turns coil having diameter D carries a current\[I\]. An another coil is made of same material having number of turns \[{{N}_{2}},\] diameter 2D and carrying the same current\[I\]. If the length of wire in both coils are same then ratio of their magnetic moments\[\left( \frac{{{M}_{1}}}{{{M}_{2}}} \right)\]be
question_answer43) Consider the infinite resistance connection shown below each of resistor having resistance \[r\] If R be the equivalent resistance, then it can expressed in terms of r as.
question_answer44) Two resistors M and N have resistances \[{{R}_{M}}\] and \[{{R}_{N}}\] respectively. With \[{{R}_{M}}<{{R}_{N}}.\] The resistances of their material are \[{{\rho }_{M}}\] and \[{{\rho }_{N}},\]then
question_answer45) Which one of the following will experience maximum magnetic force while projected with same perpendicular velocity and in same magnetic field strength region?
question_answer46) A conductor wire carrying a current \[I\]through it is bent to form U-shape such that its straight arms is separated at a distance d. The magnetic field induction at the centre of circular part of the U-shape will be
question_answer49) The dimension of a room is\[4m\times 4m\times 10\,cm\] end of concrete roof \[(K=1.26\,W{{m}^{-1}}{}^\circ {{C}^{-1}}).\] At some instant, the temperature outside is \[46{}^\circ \]and that inside of room is\[32{}^\circ C\]. Neglecting the convection, amount of heat flouring per second into the room through the roof, will be
question_answer55) The final product of the sequence of the following reaction is \[C{{H}_{3}}-C{{H}_{2}}OH\xrightarrow[\text{or}\,PCC/C{{H}_{2}}C{{l}_{2}}]{Cu/573K}A\xrightarrow{Dil.\,NaOH}B\]
question_answer56) In the following sequence of the reaction,\[C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow[\Delta ]{Alc.\,\,KCN}A\xrightarrow[in\,ether]{LiAl{{H}_{4}}}B\]the major product B is
question_answer86) A graph is plotted between k vs \[\frac{1}{t}\] of a given reaction A + B \[\xrightarrow{{}}\] product. When concentration of A and B are equal, the slope will be
question_answer88) At a given temperature, the amount of dissolved gas in unit volume of the solvent is proportional to the pressure of gas. The given statement is based upon
question_answer92) The rate of a gaseous reaction is equal to k[A] [B]. The volume of the reaction vessel containing these gases, is reduced by \[\left( \frac{1}{2} \right)\]of the initial volume. The new rate of the reaction would be
question_answer93) The possible variation of monoclinic crystal system are (a, b, c = edge lengths and \[\alpha ,\,\,\beta ,\,\,\gamma \] = axial angles)
question_answer97) What will be the product when \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]reacts with cone. \[{{H}_{2}}S{{O}_{4}},\] i.e.\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+2{{H}_{2}}S{{O}_{4}}\xrightarrow{Cold}\]
question_answer106) The psychological disorder, which is characterised by sadness, hopelessness, low self-esteem, decline in interest, energy, concentration and changes in sleep pattern and appetite is called
question_answer120) If an individual can understand spoken and written language, but are unable to write as such, which part of their brain is damaged?
question_answer122) A woman suffers from colour blindness while her husband doesnt suffer from it. They have a son and a daughter. Which one of the following statements is most probably correct?
A)
Both children suffer from colour blindness
doneclear
B)
Daughter suffers from colour blindness while son doesnt suffer from it
doneclear
C)
Both children do not suffer from colour blindness
doneclear
D)
Son suffers from colour blindness while daughter does not suffer from it
question_answer139) Among the following statements same statements are incorrect about the characteristics of probionts (coacervates and microsphere) as envisaged in the abiogenic origin of life. Select the incorrect statement
A)
They were partially isolated from the surroundings
doneclear
B)
They could maintain an internal environment
doneclear
C)
They were able to reproduce
doneclear
D)
They could separate combination of molecules from the surroundings
question_answer140) If a recombinant DNA bearing gene for ampicillin resistance is transferred into E. coli cells and the host cells are spread on agar plates containing ampicillin, then
A)
both transformed and untransformed recipients cell will die
doneclear
B)
both transformed and untransformed recipients cells will grow
doneclear
C)
transformed recipients cells will grow and untransformed cell will die
doneclear
D)
transformed recipients cells will die and untransformed recipients cells will grow
question_answer141) Match the following column I with column II.
Column I
Column II
A.
Hot spots
1.
Areas maintained by government for the betterment of wildlife.
B.
Protected areas
2.
Areas of high endemism and high level of species richness.
C.
National parks
3.
Bio-geographical areas where biological diversity along with natural and cultural resources is protected, maintained and managed.
D.
Biosphere reserve
4.
Multipurpose protected areas, which are meant for preserving genetic diversity in the ecosystem of various natural biomass and unique biological communities.
question_answer148) In biotechnology now-a-day a much use technology in biolistic. Identify the method where this technique is used during genetic engineering experiments.
question_answer170) Directions: In these questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 589654237, 89654237, 8965423, 965423, ?
question_answer171) Directions: In these questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 5824, 5242, ?, 4247, 3823
question_answer172) Directions: In these questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 1, 3, 4, 8, 15, 27, ?
question_answer173) Five ladies-Tanya, Sunita, Nidhi, Aparna and Preeti, and five men-Arvind, Kunal, Pawan, Sahil and Tanmay sat on the two long sides of a rectangular table. Ladies sat alternating with and opposite to the men. Sahil sat in a centre position. Aparna sat opposite Arvind. Sunita sat next to Sahil and three places from Arvind. Preeti sat four places to the left of Aparna. Nidhi sat two places from Sunita and Pawan sat opposite Sunita. Kunal sat three places from Preeti. Who sat opposite Tanya?
question_answer174) If Neena says, Anitas father Raman is the only son of my father-in-law Mahipal, then how is Bindu, who is the sister of Anita, related to Mahipal?
question_answer176) Directions: Which one set of letters when sequentially placed at the gaps in he given letter series shall complete it? a_cdaab_cc_daa_bbb_ccddd
question_answer177) Directions: Which one set of letters when sequentially placed at the gaps in he given letter series shall complete it? a_abbb_ccccd_ddccc_bb_ba
question_answer178) Directions: Which one set of letters when sequentially placed at the gaps in he given letter series shall complete it? _bcdbc_dcabd_bcdbc_dc_bd
question_answer179) In a group of 15 people, 7 read French, 8 read English while 3 of them read none of these two. How many of them read French and English both?
question_answer180) There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?
question_answer183) Amit walked 30 m towards East, took a right turn and talked 40 m. Then, he took a left turn and walked 30 m. In which direction is he now from the starting point?
question_answer184) Maya starts at point T, walks straight to point U which is 4 ft away. She turns left at \[90{}^\circ \] and walks to W which is 4 ft away, turns \[90{}^\circ \] right and goes 3 ft to P, turns \[90{}^\circ \] right and walks 1 ft to Q, turns left at \[90{}^\circ \] and goes to V, which is 1 ft away and once again turns \[90{}^\circ \] right and goes to R, 3 ft away. What is the distance between T and R?
question_answer185) Directions: In each question below is given a statement followed by two assumptions numbered I and K You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement. Give answer
question_answer186) Directions: In each question below is given a statement followed by two assumptions numbered I and K You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement. Give answer
Statement
The government has decided to pay compensation to the tune of Rs. 1 lakh to the family members of those who are killed in railway accidents.
Assumptions
I. The government has enough funds to meet the expenses due to compensation.
II. There may be reduction in incidents of railway .accidents in near future.
question_answer197) Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet if folded along the dotted line. Question Figure Answer Figures
question_answer198) In this question below contains three groups of things. You are to choose from the following four diagrams, the one that depicts the correct relationship among the three groups of thing in each question. Carrot, Food, Vegetable
question_answer199) In the figure, rectangle, square, circle and triangle represent the regions of wheat, gram, maize and rice cultivation respectively. On the basis of the above figure, answer the following questions. Which area is cultivated by all the four commodities?
question_answer200) From the following answer figures, select the one in which the given question figure is hidden/embedded. Questions Figure Answer Figures