NEET-UG 2009 Question Paper

A bus is moving with a speed of 10 ms⁻¹ on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus?

A body under the action of a force F vector = 6 î − 8 ĵ + 10 k̂, acquires an acceleration of 1 m/s². The mass of this body must be

The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is:

An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?

A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction?
(g = 10 m/s²)

An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first part moving with a velocity of 12 ms⁻¹ and 2 kg second part moving with a velocity of 8 ms⁻¹ . If the third part flies off with a velocity of 4 ms⁻¹, its mass would be:

Two bodies of mass 1 kg and 3 kg have position vectors î + 2ĵ + k̂ and −3î − 2ĵ + k̂ respectively. The centre of mass of this system has a position vector:

A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity ω. If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity:

If 𝐅⃗ is the force acting on a particle having position vector 𝐫⃗ and τ vector be the torque of this force about the origin, then:
 

Four identical thin rods each of mass M and length l, form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is:

The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t₁ is the time for the planet to move from C to D and t₂ is the time to move from A to B then:

The two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T₁ and T₂ (T₁ > T₂). The rate of heat transfer, dQ/dt through the rod in a steady state is given by:

A black body at 227°C radiates heat at the rate of 7 cals/cm²s. At a temperature of 727°C, the rate of heat radiated in the same units will be:

The internal energy change in a system that has absorbed 2 kcals of heat and done 500 J of work is:

In thermodynamic processes which of the following statements is not true?

Which one of the following equations of motion represents simple harmonic motion?

A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pendulum at x = a/2 will be:

A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be:

A wave in a string has an amplitude of 2 cm. The wave travels in the +ve direction of x axis with a speed of 128 m/sec and it is noted that 5 complete waves fit in 4 m length of the string. The equation describing the wave is

Each of the two strings of length 51.6 cm and 49.1 cm are under tension separately by 20 N force. Mass per unit length of both strings is same and equal to 1 g/m. When both the strings vibrate simultaneously the number of beats is

The driver of a car travelling with speed 30 m/s towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is

The mean free path of electrons in a metal is 4 × 10⁻⁸ m. The electric field which can give on an average 2 eV energy to an electron in the metal will be in units of V/m

Three concentric spherical shells have radii a, b and c (a < b < c) and have surface charge densities σ, −σ and σ respectively. If Vₐ, V subscript (B) and V𝒸 denotes the potentials of the three shells, then for c = a + b, we have

The electric potential at a point (x, y, z) is given by V = −x²y − xz³ + 4.

The electric field 𝐄⃗ at that point is

Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be

A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points, A and B as shown in the figure, is

See the electric circuit shown in the figure.

Which of the following equations is a correct equation for it?

A student measures the terminal potential difference (V) of a cell (of emf E and internal resistance r) as a function of the current (I) flowing through it. The slope and intercept of the graph between V and I, then, respectively, equal:

The magnetic force acting on a charged particle of charge −2 μC in a magnetic field of 2T acting in y direction, when the particle velocity is (2î + 3ĵ) × 10⁶ ms⁻¹, is

Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. The time period of rotation of the particle:

A galvanometer having a coil resistance of 60 Ω shows full scale deflection when a current of 1.0 amp passes through it. It can be converted into an ammeter to read currents upto 5.0 amp by:

A bar magnet having a magnetic moment of 2 × 10⁴ JT⁻¹ is free to rotate in a horizontal plane. A horizontal magnetic field B = 6 × 10⁻⁴ T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction 60° from the field is

If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is:

A rectangular, a square, a circular and an elliptical loop, all in the (x−y) plane, are moving out of a uniform magnetic field with a constant velocity, 𝐕⃗ = vî. The magnetic field is directed along the negative z axis direction. The induced emf, during the passage of these loops, out of the field region, will not remain constant for

A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s. The induced emf in the loop when the radius is 2 cm is

Power dissipated in an LCR series circuit connected to an a.c source of emf ε is

The electric field part of an electromagnetic wave in a medium is represented by Eₓ = 0;

Eᵧ = 2.5 N/C cos[(2π × 10⁶ rad/m)t − (π × 10⁻² rad/s)x]; E𝓏 = 0. The wave is:

The number of photo electrons emitted for light of a frequency ν (higher than the threshold frequency ν₀) is proportional to:

The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement?

Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of photons arriving per sec on the average at a target irradiated by this beam is:

In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁ approaches a target nucleus of charge Z₂ and mass M₂, the distance of closest approach is r₀. The energy of the projectile is

The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between

The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an

In the nuclear decay given below:

the particles emitted in the sequence are

A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength

Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å. The lattice parameter is

A transistor is operated in common-emitter configuration at VSubscript (C) = 2 V such that a change in the base current from 100 μA to 200 μA produces a change in the collector current from 5 mA to 10 mA. The current gain is

Symbolic representation of four logic gate are shown as

Pick out which ones are for AND, NAND and NOT gates, respectively

Which one of the following is employed as a tranquilizer?

What is the [OH] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)₂?

10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be:

Structures of some common polymers are given. Which one is not correctly presented?

Which of the following hormones contains iodine?

The segment of DNA which acts as the instrumental manual for the synthesis of the protein is:

Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO₃ and conc. H₂SO₄; in the mixture, nitric acid acts as a/an:

Predict the product:

Propionic acid with Br₂|P yields a dibromo product. Its structure would be:

Consider the following reaction:

H₂COH · CH₂OH on heating with periodic acid gives:

Consider the following reaction,

Trichloroacetaldehyde, CCl₃CHO reacts with chlorobenzene in presence of sulphuric acid and produces:

Benzene reacts with CH₃Cl in the presence of anhydrous AlCl₃ to form:

Which of the following reactions is an example of nucleophilic substitution reaction?

Which of the following complex ions is expected to absorb visible light?

(At.no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)

Which of the following does not show optical isomerism?

(en = ethylenediamine)

Out of TiF₆²⁻, CoF₆³⁻, Cu₂Cl₂ and NiCl₄²⁻ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28), the colourless species are:

Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?

Among the following which is the strongest oxidising agent?

In the case of alkali metals, the covalent character decreases in the order:

For the reaction A + B ⟶ products, it is observed that:

(1) On doubling the initial concentration of A only, the rate of reaction is also doubled and

(2) On doubling the initial concentrations of both A and B, there is a change by a factor of 8 in the rate of the reaction.

The rate of this reaction is given by:

Half life period of a first-order reaction is 1386 seconds. The specific rate constant of the reaction is

In the reaction
BrO₃⁻(aq) + 5Br⁻(aq) + 6H⁺ ⟶ 3Br₂(l) + 3H₂O(l)

The rate of appearance of bromine (Br₂) is related to rate of disappearance of bromide ions as following:

For the reaction, N₂ + 3H₂ ⟶ 2NH₃

d[NH₃]/dt = 2 × 10⁻⁴ mol L⁻¹ s⁻¹, the value of −d[H₂]/dt would be:

Given:

(i) Cu²⁺ + 2e⁻ ⟶ Cu, E° = 0.337 V

(ii) Cu²⁺ + e⁻ ⟶ Cu⁺, E° = 0.153 V

Electrode potential, E° for the reaction, Cu⁺ + e⁻ ⟶ Cu, will be:

Al₂O₃ is reduced by electrolysis at low potentials and high currents. If 4.0 × 10⁴ amperes of current is passed through molten Al₂O₃ for 6 hours, what mass of aluminium is produced? (Assume 100% current efficiency and At. mass of Al = 27 g mol⁻¹)

The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm² and at infinite dilution is 400 mho cm². The dissociation constant of this acid is:

A 0.0020 mol aqueous solution of an ionic compound Co(NH₃)₅(NO₂)Cl freezes at −0.00732 °C. Number of moles of ions which 1 mol of compound produces on being dissolved in water will be (K_f = −1.86 °C/m)

Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be:

Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm?

Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

The IUPAC name of the compound having the formula CH ≡ C–CH=CH₂ is:

The state of hybridization of C₂, C₃, C₅ and C₆ of the hydrocarbon,

in the following sequence:

The state of hybridization of C₂, C₃, C₅ and C₆ of the hydrocarbon,

is in the following sequence:

The straight chain polymer is formed by

Which of the following oxides is not expected to react with sodium hydroxide?

Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻ are respectively

The ionization constant of ammonium hydroxide is 1.77 × 10⁻⁵ at 298 K. Hydrolysis constant of ammonium chloride is:

Which of the following molecules acts as a Lewis acid?

The dissociation constants for acetic acid and HCN at 25°C are 1.5 × 10⁻⁵ and 4.5 × 10⁻¹⁰ respectively. The equilibrium constant for the equilibrium CN⁻ + CH₃COOH ⇌ HCN + CH₃COO⁻ would be:

The values of ΔH and ΔS for the reaction, C(graphite) + CO₂(g) ⟶ 2CO(g) are 170 kJ and 170 JK⁻¹, respectively. This reaction will be spontaneous at

From the following bond energies:
H–H bond energy: 431.37 kJ mol⁻¹
C=C bond energy: 606.10 kJ mol⁻¹
C–C bond energy: 336.49 kJ mol⁻¹
C–H bond energy: 410.50 kJ mol⁻¹

Enthalpy for the reaction,

will be:

According to MO theory which of the following lists ranks the nitrogen species in terms of increasing bond order?

In which of the following molecules / ions BF₃, NO₂⁻, NH₂⁻ and H₂O, is the central atom sp² hybridized?

What is the dominant intermolecular force or bond that must be overcome in converting liquid CH₃OH to a gas?

The stability of +1 oxidation state increases in the sequence:

Amongst the elements with following electronic configurations, which of them may have the highest ionization energy?

Maximum number of electrons in a sub shell of an atom is determined by the following:

Which of the following is not permissible arrangement of electrons in an atom?

The energy absorbed by each molecule (A₂) of a substance is 4.4 × 10⁻¹⁹ J and bond energy per molecule is 4.0 × 10⁻¹⁹ J. The kinetic energy of molecule per atom will be:

Which one is the wrong pairing for the disease and its causal organism?

Mannitol is the stored food in:

Which one of the following plants is monoecious?

Which one of the following is a vascular cryptogam?

Which one of the following has haplontic life cycle?

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

Which one of the following pairs of animals comprises jawless fishes?

An example of axile placentation is:

The floral formula

is that of:

Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:

Palisade parenchyma is absent in leaves of:

Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is:

In barley stem vascular bundles are:

The epithelial tissue present on the inner surface of bronchioles and fallopian tube is:

The cell junctions called tight, adhering and gap junctions are found in

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in:

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is:

Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?

Plasmodesmata are:

Cytoskeleton is made up of:

Stroma in the chloroplasts of higher plant contains:

Middle lamella is composed mainly of:

Given below is a schematic break-up of the phases / stages of cell cycle:

Which one of the following is the correct indication of the stage/phase in the cell cycle?

Synapsis occurs between:

Guard cells help in:

Manganese is required in:

Which of the following is a symbiotic nitrogen fixer?

Oxygenic photosynthesis occurs in:

Cyclic photophosphorylation results in the formation of

Aerobic respiratory pathway is appropriately termed:

One of the synthetic auxin is:

Which one of the following acids is a derivative of carotenoids?

Synapsis occurs between:

A young infant may be feeding entirely on mothers milk which is white in colour but the stools which the infant passes out is quite yellowish. What is this yellow colour due to?

Which one of the following statements is true regarding digestion and absorption of food in humans?

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from:

The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because “O” in it refers to having:

Compared to blood our lymph has:

There is no DNA in:

Globulins contained in human blood plasma are primarily involved in:

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Uric acid is the chief nitrogenous component of the excretory products of:

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

Which one of the following is the correct matching of three items and their grouping category?

Elbow joint is an example of:

Which part of human brain is concerned with the regulation of body temperature?

Alzheimer disease in humans is associated with the deficiency of:

A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is:

Vegetative propagation in mint occurs by:

A fruit developed from hypanthodium inflorescence is called

Cotyledons and testa respectively are edible parts in

An example of a seed with endosperm, perisperm, and caruncle is

Seminal plasma in humans is rich in

Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.

Which one of the following is the correct matching of the events occurring during menstrual cycle?

Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?

Foetal ejection reflex in human female is induced by

A change in the amount of yolk and its distribution in the egg will affect

Study the pedigree chart given below:

What does it show?

The genetic defect - Adenosine deaminase (ADA) deficiency may be cured permanently by:

Sickle cell anaemia is:

Select the incorrect statement from the following:

Point mutation involves:

T.O. Diener discovered a:

What is not true for genetic code?

Removal of introns and joining the exons in a defined order in a transcription unit is called:

Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a ‘triplet’.

Semi-conservative replication of DNA was first demonstrated in:

Peripatus is a connecting link between:

In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of:

A person likely to develop tetanus is immunised by administering

The letter T in T-lymphocyte refers to

Use of anti-histamines and steroids give a quick relief from

Which of the following is a pair of viral diseases?

Which one of the following statements is correct?

Which of the following is not used as a biopesticide?

Which of the following plant species you would select for the production of bioethanol?

Somaclones are obtained by

Which one of the following pairs is wrongly matched?

Polyethylene glycol method is used for

Which one of the following is commonly used in transfer of foreign DNA into crop plants?

What is true about Bt toxin?

The bacterium Bacillus thuringiensis is widely used in contemporary biotechnology as

Transgenic plants are the ones:

A country with a high rate of population growth took measures to reduce it. The Figure below shows age-sex pyramids of populations A and B twenty years apart.

Select the correct interpretation about them: Interpretations:

The correct sequence of plants in a hydrosere is:

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

Which one of the following has maximum genetic diversity in India?

Steps taken by the Government of India to control air pollution include:

Biochemical Oxygen Demand (BOD) in a river water

DDT residues are rapidly passed through food chain causing biomagnification because DDT is

Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by

Montreal protocol aims at

Chipko movement was launched for the protection of

Tiger is not a resident in which one of the following national park?

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is:

Which one of the following is considered important in the development of seed habit?

Which of the following is a symbiotic nitrogen fixer?

Which one of the following has maximum genetic diversity in India?