Solved papers for BVP Medical BVP Medical Solved Paper-2007

done BVP Medical Solved Paper-2007

• question_answer1) A cylinder of mass 10 kg is rolling on a rough plane with a velocity of 10 m/s. If the coefficient of friction between the surface and cylinder is 0.5, then before stopping, it will cover a distance of $(Take\text{ }g=10\text{ }m/{{s}^{2}})$

A) 10m

B) 7.5 m

C) 5 m

D) 2.5 m

• question_answer2) If a ladder weighing 250 N is placed against a smooth vertical wall having coefficient of friction between it and floor is 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor?

A) 75 N

B) 50 N

C) 35N

D) 25 N

• question_answer3) A ball of mass 150 g moving with an acceleration 20 ${{10}^{-10}}s$is hit by a force, which acts on it for 0.1 s. The impulsive force is

A) 0.5 N-s

B) 0.1 N-s

C) 0.3 N-s

D) 1.2 N-s

• question_answer4) A body, thrown upwards with some velocity reaches the maximum height of 50 m. Another body with double the mass thrown up with double the initial velocity will reach a maximum height of

A) 100 m

B) 200 m

C) 300 m

D) 400 m

• question_answer5) A 100 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 1 km is

A) 58 s

B) 68s

C) 78 s

D) 88 s

• question_answer6) Velocity-time curvefora body, projected vertically upwards, is

A) parabola

B) ellipse

C) hyperbola

D) straight line

• question_answer7) The numerical ratio of displacement to the distance covered is always

A) less than one

B) equal to one

C) equal to or less than one

D) equal to or greater than one

• question_answer8) In the relation${{10}^{-16}}s$,the dimensional formula for k is

A) ${{10}^{-1}}s$

B) $y=5\sin \frac{\pi x}{3}\cos 40\pi t$

C) $\mu F$

D) $\mu F$

• question_answer9) While measuring the diameter of a wire by screw gauge, three readings were taken are 1.002 cm, 1.004 cm and 1.006 cm. The absolute error in the third reading is

A) 0.002 cm

B) 0.004 cm

C) zero

D) 1.002 cm $\,\omega$ $I=\frac{1}{2}M{{R}^{2}}$ $\therefore$

• question_answer10) Masses of two substances are 1 g and 9 g respectively. If their kinetic energies are same, then the ratio of their momentum will be

A) 1 : 9

B) 9 : 1

C) 3:1

D) 1 : 3

• question_answer11) A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time when particle goes up is

A) -0.5 J

B) -1.25 J

C) 1.25 J

D) 0.5 J

• question_answer12) A circular disc is rotating with angular velocity to. If a man standing at the edge of the disc walks towards its centre, then the angular velocity of the disc will

A) decrease

B) increase

C) be halved

D) not change

• question_answer13) The moment of inertia of a disc of mass m and radius R about an axis, which is tangential to the circumference of the disc and parallel to its diameter is

A) ${{m}^{3}}$

B) ${{m}^{3}}$

C) ${{m}^{3}}$

D) ${{m}^{3}}$

• question_answer14) A body weighs 500 N on the surface of the earth. How much would it weigh half way below the surface of the earth?

A) 1000 N

B) 500 N

C) 250 N

D) 125 N

• question_answer15) Escape velocity at surface of earth is 11.2 km/s. Escape velocity from a planet whose mass is the same as that of earth and radius 1/4 that of earth, is

A) 2.8 km/s

B) 15.6 km/s

C) 22.4 km/s

D) 44.8 km/s

• question_answer16) The rms value of the electric field of the light coming from the sun is 720 N/C. The average total energy density of the electromagnetic wave is

A) $4.58\times {{10}^{-6}}J/{{m}^{3}}$

B) $6.37\times {{10}^{-9}}J/{{m}^{3}}$

C) $81.35\times {{10}^{-12}}J/{{m}^{3}}$

D) $3.3\times {{10}^{-3}}J/{{m}^{3}}$

• question_answer17) The time taken by a photoelectron to come out after the photon strikes is approximately

A) $2\times {{10}^{-2}}$

B) $\sqrt{3}$

C) $\frac{W}{3}$

D) $\frac{W}{\sqrt{3}}$

• question_answer18) A man is watching two trains, one leaving and the other coming with equal speed of 4 m/s. If they sound their whistles each of frequency 240 Hz, the number of beats heard by man (velocity of sound in air = 320 m/s) will be equal to

A) 12

B) zero

C) 3

D) 6

• question_answer19) A tuning fork of frequency 392 Hz, resonates with 50 cm length of a string under tension (T). If length of the string is decreased by 2%, keeping the tension constant, the number of beats heard when the string and the tuning fork made to vibrate simultaneously is

A) 4

B) 6

C) 8

D) 12

• question_answer20) The equation of stationary wave along a stretched string is given by$8\times {{10}^{-4}}$where x and y are in centimetre and t in second. The separation between two adjacent nodes is

A) 6 cm

B) 4 cm

C) 3 cm

D) 1.5 cm

• question_answer21) A and B are two hills at a distance 510 m apart. A person standing between the hills, claps his hands and hears two echoes at the end of 1 s and 2 s respectively. The velocity of sound in air is

A) 225 m/s

B) 340 m/s

C) 510 m/s

D) 1020 m/s

• question_answer22) The coefficient of thermal conductivity of copper is nine times that of steel. In the composite cylindrical bar shown in the figure, what will be the temperature at the junction of copper and steel?

A) $25{}^\circ C$

B) $33{}^\circ C$

C) $67{}^\circ C$

D) $75{}^\circ C$

• question_answer23) The amount of work, which can be obtained by supplying 200 cal of heat, is

A) 840 J

B) 840 erg

C) 840 W

D) 840 dyne

• question_answer24) A Carnot engine operates between 227 ?C and 27 ?C. Efficiency of the engine will be

A) 1/3

B) 2/5

C) 3/4

D) 3/5

• question_answer25) A capacitor of 20$8\times {{10}^{-3}}V$ capacity charged up to 500 V is connected in parallel with another capacitor of 10$6\times {{10}^{-3}}V$ which is charged up to 200 V. Their common potential is

A) 500 V

B) 400 V

C) 300 V

D) 200 V

• question_answer26) What will happen when a 40 W, 220 V lamp and 100 W, 220 V lamp are connected in series across 40 V supply?

A) 100 W lamp will fuse

B) 40 W lamp will fuse

C) Both lamps will fuse

D) Neither lamp will fuse

• question_answer27) A parallel plate capacitor having a plate separation of 2 mm is charged by connecting it to a 300 V supply. The energy density is

A) 0.01 J/$4\times {{10}^{-3}}V$

B) 0.1 J/$2\times {{10}^{-3}}V$

C) 1.0 J/${{f}_{R}}<{{f}_{G}}<{{f}_{V}}$

D) 10 J/${{f}_{V}}<{{f}_{G}}<{{f}_{R}}$

• question_answer28) A $5{}^\circ C$ rise in the temperature is observed in a conductor by passing some current. When the current is doubled, then rise in temperature will be equal to

A) $5{}^\circ C$

B) $10{}^\circ C$

C) $20{}^\circ C$

D) $40{}^\circ C$

• question_answer29) If a 2 kW boiler is used every day for 1 h, then electrical energy consumed by boiler in thirty days is

A) 15 unit

B) 60unit

C) 120 unit

D) 240 unit

• question_answer30) Two identical wires are first connected in series and then in parallel. The amount of heat produced in both the conditions are in the ratio of

A) 1 : 2

B) 2 :1

C) 1 : 4

D) 4 :1

• question_answer31) A galvanometer can be changed into an ammeter by using

A) low resistance shunt in series

B) low resistance shunt in parallel

C) high resistance shunt in series

D) high resistance shunt in parallel

• question_answer32) A galvanometer gives full scale deflection with 0.2 A in a coil as shown in the figure. The resistance of its coil is 10 How much shunt resistance is required to convert it into an ammeter to read current upto 1.8 A ?

A) 1.25 ${{f}_{G}}<{{f}_{R}}<{{f}_{V}}$

B) 2.5 ${{f}_{G}}<{{f}_{V}}<{{f}_{R}}$

C) 50 $\mu$

D) 10.0$6.6\times {{10}^{-34}}$

• question_answer33) The coefficient of mutual inductance, when magnetic flux is $\frac{16}{R}$ Wb and change in current is 0.01 A, is

A) 2 H

B) 3H

C) 4 H

D) 8H

• question_answer34) The magnetic needle lying parallel to the magnetic field requires W units of work to rotate it through $60{}^\circ$. The torque needed to maintain the needle in this position is

A) 3W

B) $\frac{16}{3R}$W

C) $\frac{16}{5R}$

D) $\frac{16}{7R}$

• question_answer35) If two electric bulbs have 40 W and 60 W rating at 220 V, then the ratio of their resistances will be

A) 3 : 2

B) 3 : 8

C) 4 : 3

D) 9 : 4

• question_answer36) A small piece of metal wire is dragged across the gap between the poles of a magnet is 0.4 s. If the change in magnetic flux in the wire is ${{E}_{n}}$ Wb, then emf induced in the wire is

A) $4{{E}_{n}}$

B) ${{E}_{n}}/4$

C) $2{{E}_{n}}$

D) ${{E}_{n}}/2$

• question_answer37) In 0.1 s, the current in a coil increases from 1 A to 1.5 A. If inductance of this coil is 60 mH, then induced current in an external resistance of 3 Q will be

A) 1 A

B) 0.5A

C) 0.2A

D) 0.1 A

• question_answer38) The focal lengths for violet, green and red light rays are ${{f}_{V}},{{f}_{G}}$are ${{f}_{r}}$respectively. Which of the following is the true relationship?

A) $\overset{0}{\mathop{A}}\,$

B) $\overset{0}{\mathop{A}}\,$

C) $\overset{0}{\mathop{A}}\,$

D) $\overset{0}{\mathop{A}}\,$

• question_answer39) The power of combination of two lenses of powers + 1.5 D and - 2.5 D is

A) +1.5D

B) - 2.5 D

C) - 1 D

D) + 1 D

• question_answer40) A ray of monochromatic light suffers minimum deviation of 38?, while passing through a prism of refracting angle 60?. Refractive index of the prism material is

A) 2.4

B) 0.8

C) 1.3

D) 1.5

• question_answer41) In a plano-convex lens the radius of curvature of the convex lens is 10 cm. If the plane side is polished, then the focal length will be (Refractive index $K=\frac{1}{2}m{{v}^{2}}$= 1.5)

A) 15 cm

B) 10 cm

C) 2.5 cm

D) 5 cm

• question_answer42) The blue colour of sky is due to

A) scattering

B) absorption

C) reflection

D) diffraction

• question_answer43) The photoelectric threshold wavelength for potassium (work function being 2 eV) is (Take h $W=\mu ngs$J-s)

A) 310 nm

B) 620 nm

C) 1200 nm

D) 2100 nm

• question_answer44) The half-life period of a radioactive substance is 140 days. After how much time, 15 g will decay from a 16 g sample of the substance?

A) 140 days

B) 280 days

C) 420 days

D) 560 days

• question_answer45) An electron changes its position from orbitn = 2 to the orbit n = 4 of an atom. The wavelength of the emitted radiations is (R = R vdbergs constant)

A) $\mu$

B) $\frac{1}{2}m{{v}^{2}}=\mu mgs$

C) $\frac{1}{2}m{{v}^{2}}=\frac{1}{2}\times 10\times {{(10)}^{2}}=500kg.m/s.$

D) $v=10m/s,\mu =0.5,\,m=10kg,\,g=10m/{{s}^{2}}$

• question_answer46) If the energy of a hydrogen atom in nth orbit is $\Rightarrow$ then energy in the nth orbit of a singly ionized helium atom will be

A) $s=\frac{\frac{1}{2}\times m\times {{(10)}^{2}}}{\mu mg}$

B) $=\frac{50}{0.5\times 10}=10m.$

C) $F=\mu R$

D) $R=w=250N.$

• question_answer47) If the work function of a photometal is 6.875eV, its threshold wavelength will be $(Take\text{ }c=3\times {{10}^{8}}m/s)$

A) 3600$\mu =0.3$

B) 2400 $\therefore$

C) 1800$F=0.3\times 250=75N.$

D) 1200 $\overrightarrow{\mathbf{F}}$

• question_answer48) Which of the following is unipolar transistor ?

A) p-n-p transistor

B) n-p-n transistor

C) Field effect transistor

D) Point contact transistor

• question_answer49) In which of the following figures, junction diode is forward biased?

A)

B)

C)

D)

• question_answer50) The Boolean function given is for which gate ? Y = AB + AB

A) NOR gate

B) AND gate

C) XOR gate

D) NAND gate

• question_answer51) The de-Broglie wavelength associated with a particle of mass ${{10}^{-6}}$ kg moving with a velocity of $10m{{s}^{-1}}$ is

A) $6.63\times {{10}^{-7}}$

B) $6.63\times {{10}^{-16}}$

C) $6.63\times {{10}^{-21}}$

D) $6.63\times {{10}^{-29}}$

• question_answer52) The state of hybridisation of B in $BC{{l}_{3}}$is

A) $sp$

B) $s{{p}^{2}}$

C) $s{{p}^{3}}$

D) $s{{p}^{2}}{{d}^{2}}$

• question_answer53) The significant figures in 3400 are

A) 2

B) 5

C) 6

D) 4

• question_answer54) One mole of an ideal gas for which ${{C}_{V}}=\frac{3}{2}R$ is heated reversibly at a constant pressure of 1 atm from ${{25}^{o}}C$ to ${{100}^{o}}C$, the $\Delta H$ is

A) $3.775cal$

B) $37.256cal$

C) $372.56cal$

D) $3725.6cal$

• question_answer55) If 20 g of a solute was dissolved in 500 mL of water and osmotic pressure of the solution was found to be 600 mm of Hg at ${{15}^{o}}C$, then molecular weight of the solute is

A) 1000

B) 1200

C) 1400

D) 1800

• question_answer56) Work done during isothermal expansion of one mole of an ideal gas from 10 atm to 1 atm at 300 K is

A) $4938.8\text{ }J$

B) $4138.8\text{ }J$

C) $5744.1\text{ }J$

D) $6257.2\text{ }J$

• question_answer57) The number of sodium atoms in 2 moles of sodium ferrocyanide is

A) $12\times {{10}^{23}}$

B) $26\times {{10}^{23}}$

C) $34\times {{10}^{23}}$

D) $48\times {{10}^{23}}$

• question_answer58) According to Bohrs principle, the relation between principle quantum number (n) and radius of orbit is

A) $r\propto n$

B) $r\propto {{n}^{2}}$

C) $r\propto \frac{1}{n}$

D) $r\propto \frac{1}{{{n}^{2}}}$

• question_answer59) A solution having hydrogen ion concentration is 0.0005 g eqvti/L, its pOH is

A) $8.2798$

B) $10.6990$

C) $12.7854$

D) $13.3344$

• question_answer60) The number of lattice arrangements in different crystal systems are

A) 8

B) 7

C) 9

D) 14

• question_answer61) If equilibrium constants of reaction,${{N}_{2}}+{{O}_{2}}2NO$ is ${{K}_{1}}$ and$\frac{1}{2}{{N}_{2}}+\frac{1}{2}{{O}_{2}}NO$ is ${{K}_{2}}$ then

A) ${{K}_{1}}={{K}_{2}}$

B) ${{K}_{2}}=\sqrt{{{K}_{1}}}$

C) ${{K}_{1}}=2{{K}_{2}}$

D) ${{K}_{1}}=\frac{1}{2}{{K}_{2}}$

• question_answer62) Wolframite ore is separated from tin stone ore by the process of

A) roasting

B) electromagnetic

C) smelting

D) calcination

• question_answer63) If solubility product of $HgS{{O}_{4}}$ is $6.4\times {{10}^{-5}}$, then its solubility is

A) $8\times {{10}^{-3}}mol/L$

B) $6.4\times {{10}^{-5}}mol/L$

C) $6.4\times {{10}^{-3}}mol/L$

D) $2.8\times {{10}^{-6}}mol/L$

• question_answer64) Disintegration constant for a radioactive substance is 0.58 per hour. Its half-life period is

A) $8.2\text{ }h$

B) $5.2h$

C) $1.2h$

D) $2.4\text{ }h$

• question_answer65) The rate constant of a reaction depends upon

A) extent of reaction

B) time of reaction

C) temperature of the system

D) concentration of the system

• question_answer66) A cylinder of 5 L capacity, filled with air at NTP, is connected with another evacuated cylinder of 30 L capacity. The resultant air pressure in both the cylinders will be

A) 10.8 cm of Hg

B) 14.9 cm of Hg

C) 21.8 cm of Hg

D) 38.8 cm of Hg

• question_answer67) The maximum number of hydrogen bonds formed by a water molecule in ice is

A) 4

B) 5

C) 7

D) 3

• question_answer68) The volume strength of $1.5N$ ${{H}_{2}}{{O}_{2}}$ solution is

A) $8.4L$

B) $4.2\text{ }L$

C) $16.8\text{ }L$

D) $5.2\text{ }L$

• question_answer69) When a substance is dissolved in a solvent, the vapour pressure of solvent decreases. It brings

A) a decrease in boiling point of the solution

B) an increase in boiling point of the solution

C) a decrease in freezing point of the solution

D) an increase in freezing point of the solution

• question_answer70) Acetone reacts with iodine to form iodoform in the presence of

A) $CaC{{O}_{3}}$

B) $NaOH$

C) $KOH$

D) $MgC{{O}_{3}}$

• question_answer71) The chemical formula of diammine silver (I) chloride is

A) $[Ag(N{{H}_{3}})]Cl$

B) $[Ag{{(N{{H}_{3}})}_{2}}]Cl$

C) ${{[Ag{{(N{{H}_{3}})}_{2}}]}_{2}}Cl$

D) ${{[Ag{{(N{{H}_{3}})}_{2}}]}_{2}}Cl$

• question_answer72) When alkyi halide is heated with dry $A{{g}_{2}}O$, it produces

A) ester

B) ether

C) ketone

D) alcohol

• question_answer73) The IUPAC name of the compound$\overset{OC{{H}_{3}}}{\mathop{\overset{|}{\mathop{C{{H}_{3}}-C{{H}_{2}}-CH-C{{H}_{2}}-OH}}\,}}\,$ is

A) 2-methoxy-l-butanol

B) 3-methoxy-l-butanol

C) 2-methoxy-l-butanal

D) 1, 2-methoxy-butanol

• question_answer74) The strongest oxidising agent is

A) ${{F}_{2}}$

B) $C{{l}_{2}}$

C) ${{I}_{2}}$

D) $B{{r}_{2}}$

• question_answer75) Which of the following is used widely in the manufacture of lead storage battery?

A) Arsenic

B) Lithium

C) Bismuth

D) Antimony

A) becomes soft

B) becomes liquid

C) becomes hard and brittle

D) is covered with a thin film of $F{{e}_{3}}{{O}_{4}}$

• question_answer77) Iron pipes, lying in acidic soil, are often attached to the blocks of magnesium for their protection from rusting, because magnesium

A) is lighter than iron

B) is readily converted into positive ion

C) forms a corrosion-resistant alloy with iron

D) prevents air from reaching the surface of iron

• question_answer78) How many atoms of calcium will be deposited from a solution of $CaC{{l}_{2}}$ by a current of 5 mA flowing for 60s?

A) $4.68\times {{10}^{18}}$

B) $4.68\times {{10}^{15}}$

C) $4.68\times {{10}^{12}}$

D) $4.68\times {{10}^{9}}$

• question_answer79) In the reaction$A{{g}_{2}}O+{{H}_{2}}{{O}_{2}}\xrightarrow{{}}2Ag+{{H}_{2}}O+{{O}_{2}},$${{H}_{2}}{{O}_{2}}$ acts as

A) reducing agent

B) oxidising agent

C) bleaching agent

D) none of these

• question_answer80) Which of the following acid is formed when$Si{{F}_{4}}$ reacts with water?

A) $Si{{F}_{4}}$

B) ${{H}_{2}}Si{{F}_{4}}$

C) ${{H}_{2}}S{{O}_{4}}$,

D) ${{H}_{2}}Si{{F}_{6}}$

• question_answer81) Which of the following statement is correct with respect to the property of elements with an increase in atomic number in the carbon family (group 14)?

A) Atomic size decreases

B) lonisation energy increases

C) Metallic character decreases

D) Stability of $+2$ oxidation state increases

• question_answer82) Boron halides behave as Lewis base, because of their

A) ionic nature

B) acidic nature

C) covalent nature

D) electron deficient nature

• question_answer83) The most efficient agent for the absorption of $S{{O}_{3}}$ is

A) $80%{{H}_{2}}S{{O}_{4}}~~$

B) $98%{{H}_{2}}S{{O}_{4}}~~$

C) $50%{{H}_{2}}S{{O}_{4}}~~$

D) $20%{{H}_{2}}{{S}_{2}}{{O}_{7}}~~$

• question_answer84) Alkaline earth metals are denser than alkali metals, because metallic bonding in alkaline earth metals, is

A) stronger

B) weaker

C) volatile

D) not present

• question_answer85) Toluene is oxidised to benzoic acid by

A) $KMn{{O}_{4}}$

B) ${{K}_{2}}C{{r}_{2}}{{O}_{7}}$

C) ${{H}_{2}}S{{O}_{4}}$

D) Both (a) and (b)

• question_answer86) Methane and ethane both can be prepared in one step by which of the following compound?

A) ${{C}_{2}}{{H}_{4}}$

B) $C{{H}_{3}}OH$

C) $C{{H}_{3}}Br$

D) $C{{H}_{3}}C{{H}_{2}}OH$

• question_answer87) Phenol can be converted into salicylaldehyde by

A) Etard reaction

B) Perkin reaction

C) Cannizaro reaction

D) Reimer-Tiemann reaction

• question_answer88) Which of the following oil is obtained from benzene after fractional distillation of coal tar?

A) Light oil

B) Heavy oil

C) Middle oil

D) Anthracene oil

• question_answer89) Azo dyes are prepared from

A) phenol

B) ethyl bromide

C) benzaldehyde

D) benzoic acid

• question_answer90) Which of the following is strongest base?

A)

B)

C)

D)

• question_answer91) Which of the following is the most stable compound?

A) $P{{h}_{3}}\overset{+}{\mathop{C}}\,$

B) $P{{h}_{2}}\overset{+}{\mathop{C}}\,\,H$

C) $P{{h}_{2}}\overset{+}{\mathop{C}}\,\,{{H}_{2}}$

D) $Ph\overset{+}{\mathop{C}}\,\,{{H}_{2}}$

• question_answer92) A biological catalyst is essentially

A) an enzyme

B) a carbohydrate

C) an amino acid

D) a nitrogen compound

• question_answer93) Haemoglobin is an example of

A) blood

B) glycoprotein

C) fibrous protein

D) globular protein

• question_answer94) In elastomer, intermolecular forces are

A) nil

B) weaker

C) strong

D) very strong

• question_answer95) When glucose reacts with bromine water, the main product is

A) acetic acid

B) saccharic acid

C) glyceraldehyde

D) gluconic acid

• question_answer96) In the reaction$C{{H}_{3}}CN+2H\xrightarrow[ether]{HCl}X\xrightarrow[{{H}_{2}}O]{Boiling}Y;$the term Y is

A) acetone .

B) ethyl amine

C) acetaldehyde

D) dimethyl amine

• question_answer97) Above reaction is known as

A) Streckers reaction

B) Sandmeyefs reaction

C) Wohl-Ziegler reaction

D) Stephens reaction

• question_answer98) A reagent used to test for unsaturation of alkene is

A) cone. ${{H}_{2}}S{{O}_{4}}$

B) ammoniacaI $C{{u}_{2}}C{{l}_{2}}$

C) ammoniacal $AgN{{O}_{3}}$

D) solution of $B{{r}_{2}}$ in $CC{{l}_{4}}$

• question_answer99) A primary amine is formed from an amide by the treatment of bromine and alkali. The primary amine has

A) 1 carbon atom less than amide

B) 1 carbon atom more than amide

C) 1 hydrogen atom less than amide

D) 1 hydrogen atom more than amide

• question_answer100) Which of the following is industrially prepared by passing ethylene into hypochlorous acid?

A) Ethylene glycol

B) Ethylene oxide

C) Ethylene dinitrate

D) Ethane

• question_answer101) The branch of biology, which deals with the study of processes and functions of an organism, is called

A) histology

B) anatomy

C) physiology

D) entomology

A) soil

C) living tissue

D) culture medium

• question_answer103) Which of the following technique, other than microscopy is used for study of cell?

A) Maceration

B) Piasmolys is

C) Chromatography

• question_answer104) Robert Hooke used the term cell in the year

A) 1650

B) 1665

C) 1865

D) 1960

• question_answer105) Protein synthesis takes place in

A) ribosomes

B) chloroplasts

C) mitochondria

D) Golgi bodies

• question_answer106) Replication of centriole occurs during

A) imerphase

B) prophase

C) late prophase

D) late telophase

• question_answer107) L-shaped chromosomes are also called

A) acrocentric

B) telocentric

C) sub-metacentric

D) none of these

• question_answer108) Which of the following is/are grouped under phanerogams ?

A) Angiosperms

B) Gymnosperms

C) Pteridophyles

D) Both (a) and (b)

• question_answer109) A bacterium divides after every 35 minutes. If a culture containing ${{10}^{s}}$cells per mL is grown, then cell concentration per mL after 175 minutes wilt be

A) $175\times {{10}^{5}}$

B) $125\times {{10}^{s}}$

C) $48\times {{10}^{5}}$

D) $32\times {{10}^{5}}$

A) algae

B) lichen

C) fungus

D) angiosperm

• question_answer111) Which of the following is an algal parasite ?

A) Volvax

B) Ulothrix

C) Porphyra

D) Cephaleuros

A) They are thalloid

B) They contain chloroplast

C) They possess archegonia

D) All of the above

• question_answer113) The kidney-shaped covering of sorus in Dryopteris, is called

A) placenta

B) ramentum

C) sporophyll

D) indusium

• question_answer114) Which of the following is a wheat fruit ?

A) Achene

B) Cypsella

C) Caryopsis

D) Endosperm

• question_answer115) A gymnospennic leaf carries 16 chromosomes. The number of chromosomes in its endosperm is

A) 24

B) 16

C) 12

D) 8

• question_answer116) Tyioses thickenings are seen in

A) collencnyma

B) phloem cells

C) ray parenchyma only

D) ray parenchyma and xylem cells

• question_answer117) Which of the following plant shows multiple epidermis?

A) Croton

B) Atlium

C) Nerium

D) Cucurbits

• question_answer118) Double fertilization occurs among

A) algae

B) bryophytes

C) angiospenns

D) gymnosperms

• question_answer119) The endosperm in angiosperm develops from

A) zygote

B) secondary nucleus

C) chalazal polar nucleus

D) micropylar polar nucleus

• question_answer120) The fertilization in which male gametes are carried through pollen tube is known as

A) syngamy

B) porogamy

C) siphonogamy

D) chalazogamy

• question_answer121) Which of the following theory gives the latest explanation for the closure of stomata?

A) ABA theory

B) Munch theory

C) Starch glucose theory

D) Active ${{K}^{+}}$ transport theory

• question_answer122) Loss of liquid water by guttation occurs through

A) hydathodes

B) stomata

C) cuticle

D) bark

• question_answer123) Which of the following is the first compound that accepts carbon dioxide during dark phase of photosynthesis?

B) RuBP

C) Ferredox in

D) Cytochrome

• question_answer124) Oxygen which is liberated during photosynthesis, comes from

A) $C{{O}_{\mathbf{2}}}$

B) ${{H}_{2}}p$

C) chlorophyll

D) phosphoglyceric acid

• question_answer125) In ${{C}_{4}}$ plants, the carbon dioxide fixation occurs in

A) guard cells

B) spongy cells

D) bundle sheath cells

• question_answer126) Ethyl alcohol is commercially manufactured from

A) bajra

B) grapes

C) maize

D) sugarcane

• question_answer127) Last electron acceptor in respiration is

A) ${{O}_{2}}$

B) ${{H}_{2}}$

C) $C{{O}_{2}}$

• question_answer128) A hormone delaying senescence is

A) auxin

B) cytokinins

C) ethylene

D) gibberellin

• question_answer129) Which of the following induces flowering in long day plants ?

A) Gibberellins

B) Cyrokinin

C) Auxins

D) Lthylene

• question_answer130) What name has been assigned to the genus produced by a cross between cabbage and radish ?

A) Secale

B) Bursa pastoris

C) Lysogenicophyll

D) Raphanobrassica

• question_answer131) Genetic counsellors can identify heterozygous individuals by

A) height of individuals

B) colour of individuals

C) screening procedures

D) all of the above

• question_answer132) The term heterosis was first coined by

A) McClintock

B) Power

C) Swaminathan

D) None of these

• question_answer133) Somatic hybridization is a technique of

A) natural breeding

B) natural pollination

C) artificial pollination

D) somatic cells hybridization

• question_answer134) Which of the following is initiation codon is eukaryotes?

A) UAG

B) UGA

C) UAA

D) AUG

• question_answer135) Which of the following species are restricted to an area?

A) Sibling species

B) Endemic species

C) Allopatric species

D) Sympatric species

• question_answer136) Biological concept of species is mainly based on

A) reproductive isolation

B) morphological features only

C) methods of reproduction only

D) morphology and methods of reproduction

• question_answer137) Which of the following supports a dena population of plankton and littoral vegetation

A) Oligoirophic

B) Eutrophic

C) Lithotrophic

D) Agroecoirophic

A) less in diversity

B) more in diversity

C) man does not make ecosystem

D) more stable than natural ecosystem

• question_answer139) Crop rotation is used by fanners to increase

A) soil fertility

B) community area

C) organic content of soil

D) nitrogenous content in the soil

• question_answer140) Which of the following organism form the decomposers ?

A) Pteris

B) Bacteria

C) Saprophytic fungi

D) Both (a) and (b)

A) insectivorous plant

B) light airbom paniculate matter

C) new name of orchid plant

D) causal organism of various diseases

• question_answer142) Some effects of sulphur dioxide and its transformation products on plant include

A) plasmolysis

B) Golgi body destruction

C) protein dis-imegration

D) chlorophyll destruction

• question_answer143) Which of the following plant is used for the purification of water ?

A) Beggiata

B) Chlorella

C) Spirogyra

D) Eichhornia

• question_answer144) In the treatment of waste water discharge, which treatment stage involves biological treatment ?

A) Primary treatment

B) Secondary treatment

C) Tertiary treatment

D) Reverse osmosis stage

• question_answer145) Which of the following is considered to be the best chemical method of fixing atmospheric nitrogen ?

A) Fisher method

B) De can method

C) Haber-Bosch method

D) Paranas-Meyerhoff method

• question_answer146) Desired improved varieties of economically useful crops are raised by

A) migration

B) biofertitizer

C) hybridization

D) natural selection

• question_answer147) Indian rose wood tree is a common name of

A) Acacia

B) Shorea

C) Dalbergia

D) Eucalyptus

• question_answer148) Emasculation is concerned with

A) hybridization

B) clonal selection

C) mass selection

D) pure line selection

• question_answer149) Which of the following insecticide is obtained from the roots of Derris elleptica?

A) Cinerin

B) Nicotine

C) Roienone

D) Pyrethrum

• question_answer150) In maize, hybrid vigour is exploited by

A) bombarding the protoplast with DNA

B) crossing of two inbreed parental lines

C) harvesting seeds from the most productive plants

D) inducing mutations

• question_answer151) Which of the following is not vestigial in man?

A) Tail vertebrae

B) Nails

C) Nictitating membrane

D) Vermiform appendix

A) 2.4-D

B) BHC

C) DOT

D) Pyrethroid

• question_answer153) A eukaryoric gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis ?

A) Imrons

B) Exons

C) Both (a) and (b)

D) None of these

• question_answer154) The number of hydrogen bonds between adenine and thymine in a DNA molecule is

A) two

B) three

C) four

D) eight

• question_answer155) The enzyme, which combines with non-protein pan to form a functional enzyme known as

A) Co-enzyme

B) holoenzyme

C) apoenzyme

D) prosthetic group

• question_answer156) Which of the following enzyme digest protein in stomach?

A) Trypsin

B) Pepsin

C) Crepsin

D) None of these

• question_answer157) Passive food ingestion in Amoeba is known as

A) impon

B) invagination

C) circumfluence

D) circumvallation

• question_answer158) The slime moulds are characterized by the presence of

A) elaiers

B) pseudo elaters

C) capiilirium

D) capitulum

• question_answer159) Ecdysone is secreted from

A) Insecta

B) Trematoda

C) Nemaroda

D) Polychaeta

• question_answer160) In the life cycle of mosquito, comma-shaped stage is

A) larval stage

B) pupal stage

C) imago stage

D) none of these

• question_answer161) Haemocoel is found in

A) Hydra and Aurelia

B) Taenia and Ascaris

C) Cockroach and Pi/a

D) Balanoglossus and Herdmania

• question_answer162) The group of Anamniota includes

A) reptiles and birds

B) birds and mammals

C) fishes and amphibians

D) reptiles and mammals

• question_answer163) The excretory material of bony Fish is

A) urea

B) protein

C) ammonia

D) amino acid

• question_answer164) Different colour of frog skin are controlled by:

A) hormones

B) melanocytes

C) nervous system

D) Both (a) and (b)

• question_answer165) Blastula of frog has

A) blastopore

B) blastocoel

C) archenteron

D) gastro pore

• question_answer166) Carotene pigment is found in the cells of

A) dermis

B) epidermis

D) Both (a) and (b)

• question_answer167) Deboses membrane is a layer of

A) muscular tissue

B) epithelial tissue

C) connective tissue

D) all of the above

• question_answer168) Achilles tendon is associated with

A) gluteus muscle

B) hamstring muscle

D) gastrocnemius muscle

• question_answer169) The leucocytes contain, which of the following in large quantity ?

A) Basophils

B) Neutrophils

C) Eosinophils

D) Monocytes

• question_answer170) Which pan of our body secreted the hormone secrer in?

A) Ileum

B) Stomach

C) Duodenum

D) Oesophagus

• question_answer171) During inspiration, the diaphragm

A) expands

B) shows no change

C) contracts and flattens

D) relaxes to become dome-shaped

• question_answer172) The oxygen toxicity is related with

A) blood poisoning

B) collapse of alveolar walls

C) failure of ventilation of lungs

D) Both (a) and (b)

• question_answer173) Cardiac output is determined by

A) heart rate

B) stroke volume

C) blood now

D) Both (a) and (b)

• question_answer174) The important function of lymph is to

A) transport oxygen to the brain

B) transport carbon dioxide to the lungs

C) return RBCs to the lymph nodes

D) return interstitial fluid to the blood

• question_answer175) The lining of intestine and kidneys in humans is

A) keratinized

B) brush border

C) ciliated

D) none of these

• question_answer176) The yellow colour of urine is due to presence of

A) urea

B) uric acid

C) urochrome

D) bilirubin

• question_answer177) The Leydig cells secrete

A) oestrogen

B) testosterone

C) progesterone

D) corticosterone

• question_answer178) The function of pineal body is to :

A) lighten the skin colours

B) control sexual behavior

C) regulates the period of puberty

D) all of the above

• question_answer179) Which of the following nerve is purely moia nerve?

A) Vagus

B) Facial

C) Abducens

D) Trigeminal

• question_answer180) Which of the following part of a neuron is covered by fatty sheath?

A) Axon

B) Cyton

C) Dendrite

D) Node of Ranvier

A) 29 vertebrae

B) 3 vertebrae

C) 16 vertebrae

D) single vertebrae

• question_answer182) In rabbit, head of the epididymis present at the head of the testes, is called

A) vas deferens

B) gubemaculum

C) cauda epididymis

D) caput epididymis

• question_answer183) The extra embryonic membranes of mammalian embryo are derived from

A) trophoblast

B) follicle cells

C) formative cells

D) inner cell mass

• question_answer184) The eggs of silk moth are

A) homolecithal

B) telolecithal

C) mesolecithal

D) centrolecithal

• question_answer185) Which of the following was formed in S. Millers experiment?

A) Amino acids

B) Nucleic acids

D) Microspheres

• question_answer186) Trilobites were evolved during, which of the following period?

A) Silurian

B) Cambrian

C) Ordovician

D) Precambrian

• question_answer187) Which of the following variations are temporary and have nothing to do with the last or next generation ?

A) Hereditary variations

B) Discontinuous variations

C) Environmental variations

D) None of the above

• question_answer188) The modem man differs from the apes in

A) protruding eyes

B) spare body hair

C) wearing of clothes

D) arms shorter than legs

• question_answer189) The highest cranial capacity is/was present in

A) Java man

B) Peking man

C) handy man

D) modem man

A) any living organism in any habitat

B) predatory animals in their natural habitat

C) any living organisms in its natural habitat

D) economically important animals and plants

• question_answer191) A marriage between normal visioned man and colour blind woman will produce, which of the following type of offsprings ?

A) Normal sons and carrier daughters

B) Colourblind sons and carrier daughters

C) Colourblind sons and S0% carrier daughters

D) 50% colourblind sons and 50% carrier daughters

A) deficiency disorder

D) autosomal sex disorder

• question_answer193) UV radiation from sun causes, which of the following disorder of eyes ?

A) Cataract

B) Glaucoma

C) Dilation pupil

D) Some defect of retina

• question_answer194) The study of relationship between size and shape is called

A) allopatric

B) allelopathy

C) allomecry

D) allogamy

• question_answer195) Which of the following is the most sparsely populated state of India ?

A) Manipur

B) Rajasthan

C) Meghalaya

• question_answer196) The natural parthenogenesis is found in

A) sharks

B) housefly

C) Drosophilia

D) honey bee

A) antiviral proteins

B) antibiotic proteins

C) antigen proteins

D) antibacterial particle

• question_answer198) An organic substance bound to an enzyme and essential for its activity is called

A) Co-enzyme

B) holoenzyme

C) apoenzyme

D) isoenzyme

• question_answer199) Who coined the term antibiotics?

A) Darwin

B) Woodruff

C) Fleming

D) Selman Waksman

• question_answer200) A complex polysaccharide produced from sucrose by the bacterium Leuconostoc mesenteroides is

A) chitin

B) starch

C) cellulose

D) dextr