Official NEET UG 1999 Test

Ligament consist of :

Recently extinct animal from India is :

Tendon consist of :

Simplest reflex action in human is :

Industrial melanism is example of :

In inducible operon, regulatory gene synthesize:

Casparian bands are found in :

Diatomaceous earth is used as heat insulator in boilers and steam pipes because the cell wall of diatom :

Funaria’s male gametes are :

Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is :

E. coli are used in production of :

Which one is obtained by S. Miller in his experiments on origin of life before 1953 :

Which protein found in maximum amount :

After ovulation follicles converted into :

Minor change in gene’s structure is called :

Green house effect is :

What will be happen if the number of organism increased at a place :

What is vaccine :

Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This is due to interference in the activity of :

Which substance can be used as male contraceptive in future :

Agglutination occurs in blood present in a test tube. This indicate :

Genetic material of prokaryotic cell :

Secondary structure of protein, which is attached to lipid layer and lining the pores of cell membrane will be :

Maximum DDT in birds feeding on :

Fully digested food reaches to liver by :

Fraternal twin one baby is hemophilic while baby’s brother is normal then which statement is true :

Which one is associated with occupational hazard is :

Azolla is used in the cultivation of :

Which one produces gas by decomposing the gobar (Dung) in gobar gas :

Pantothenic acid & Biotin associated with :

Which one is wrong pair :

Large scale death of fishes occur in :

Maximum photosynthesis takes place by :

A normal human being requires how much calories per day :

Reptiles like mammals originated in :

Which of the following yield maximum energy :

The dental formula of the adolescent human being before seventeen years:

The main reason for water bloom in rivers, lakes, sea, etc. is :

The molecular weight of DNA in yeast is :

Insectivorous plants grow in a soil which is deficient in :

Minute quantity of hormones & steroid are detected by :

Which pair is of insectivorous plants

Hybridoma is

What shall be the water potential of a root hair cell absorbing water from the soil :

Deficiency of oxygen affects most the :

The current in 8Ω resistance is (See fig.)

A sphere maintained at temperature 600 K, has cooling rate R in an external environment of 200 K temp. If its temp. falls to 400 K then its colling rate will be

Main reason of disturbance of biological diversity :

Ornithophilly takes place in :

Rohini satellite is at a height of 500 km. and Insat-B is at a height of 3600 km. from surface of earth then relation between their orbital velocity (V \(_R\),V \(_1\)) is :

Acetaldehyde reacts with semicarbazide product will be :

What is true for a cyclic process :

The dipole moment of compound AB is 10.92 D and that of compound CD is 12.45 D. The bond length AB is 2.72 \( A^0 \) and that of CD is 2.56 \( A^0 \) then for these compound true statement is :

Exponential growth is shown by :

The effective capacity of the network between terminals A and B is –

A particle is projected with velocity ‘u’ makes an angle ? w.r.t. horizontal. Now it breaks in two identical parts at highest point of trajectory. If one part is retrace its path, then velocity of other part is

Best method to preserve the wild relatives of plants :

Bhopal gas tragedy is related with :

For moon, its mass is 1/81 of earth mass and its diameter is 1/3.7 of earth dia. If acceleration due
to gravity at earth surface is 9.8 m/s \(^2\) then a moon its value is :

Cynohydrin of the following compound on hydrolysis gives optically active product :

Increasing order of bond length is :

\( The bombarment of α-particle on _7N^{14}, emits proton then new atom will be : \)

Which of the following is secondary pollutant

If the power dissipated in 5Ω is 20 W then power dissipated in 4Ω is –

The amplitude of a S.H.O. reduces to 1/3 in first 20 secs. then in first 40 sec. its amplitude
becomes

Practical purpose of taxonomy or classification :

Concentration of DDT is highest in :

When a spring is subjected to 4N force its length is a metre and if 5N is applied length is b metre. If 9N is applied its length is :

Compound ‘A’ on chlorination gives compound ‘B’. ‘B’ reacts with alc. KOH gives gas ‘C’, which decolourises Baeyer reagent and ozonolysis of compound ‘C’ gives only HCHO compound ‘A’ is :

A system is expanded under adiabatic process :

Half life of a substance is 77 days then its decay constant will be :

According to forestery commission report 1997 the total forest cover of India :

The value of R for which power in it is maximum-

Two springs A and B (K\(_A\) = 2 K\(_B\)) are stretched by same suspended weights then ratio of work done in stretching is

Koch’s postulates not applicable to :

Percentage energy transferred to higher tropic level in food chain is :

For a body angular velocity → ω = i – 2 j + 3 k and radius vector is → r = i  + j  + k then its velocity is :

Which of the following is a chiral compound :

Which of the following is true for a reaction in which all the reactant & product are liquids :

The plant having the largest flower is :

During injury mast cells secrete :

Initially plane of coil is parallel to the uniform magnetic field B. In time ?t it makes to perpendicular to the magnetic field, then charge flows in ?t depends on this time as –

A spring elongated by length ‘L’ when a mass ‘M’ is suspended to it. Now a tiny mass ‘m’ is attached and then released, its time period of oscillation is –

Amount of cellular DNA increases during :

What change occurs by changing one base in DNA :

Frequency of an E.M. waves is 10 MHz then its wavelength is :

Which of the following compound contain zero oxidation state of Fe :

Which of the following reaction gives by isocyanide :

Anabaena is associated with Azolla’s :

Nitrogen fixing bacteria converts :

A current carrying coil (I = 5A, R = 10 cm.) having 50 number of turns find field at its centre-

Frequency of simple pendulum in a free falling lift is –

Initiation codon in eukaryotes :

HIV infects :

Two particles are projected with same initial velocity one makes angle ? with horizontal while other makes an angle ? with vertical. If their common range is R then product of their time of flight is directly proportional to :

A compound contain C, H and O. If C = 40% and H = 6.67% then empirical formula of compound will be :

\( In a gaseous mixture which of NO_2, CO_2 and N_2O gases have same rate of diffusion \) :

The allele for tallness is dominant over that of dwarfness. This is called :

Insulin differs from Growth hormone in :

Eight equals charged tiny drops are combined to form a big drop. If the potential on each drop is 10V then potential of big drop will be –

The energy and capacity of a charged parallel plate capacitor are E and C respectively. Now a dielective slab of ∈\(_r\) = 6 is inserted in it then energy and capacity becomes (Assuming charge on plates remains constant)

Transition of exarch bundles of root to endarch bundles of stem occurs in :

Which of the following statement is true for bryophyta –

In compound microscope the magnification is 95, and the distance of object from objective lens 1/3.8 cm and focal length of objective is 1⁄4 cm. What is the magnification of eye pieces when final image is formed at least distance of distinct vision

\( [Cu(NH_3)_4]^{+2} reacts with HNO_3 in excess of water gives \):

[ mathjax] \(\)Compound ‘A’ in acidic medium does not give ppt with H_2S but in NH_4OH medium gives a ppt comp. ‘A’ is :

Oxytocin mainly helps in :

Homologous organs are :

For a inductor coil L = 0.04 H, then workdone by source to establish a current of 5A in it is –

The current conduction in a discharge tube is due to

Which induces the development of corpus Luteum

Lichens can be used as :

On the basis of unit cell concept a crystal has :

\( Cr in [Cr(NH_3)_6] Br_3 has number of unpaired electron \) :

\( FeCr_2O_7 reacts with Na_2CO_3 gives the product \) :

What ratio is expected in offsprings if father is colour blind and mother’s father was colour blind:

Which arrangement is incorrect ascending order:

The terminal potential difference of a cell is greater than its emf when –

A light of amplitude A and wavelength λ is incident on a metallic surface, then saturation current flows is proportional to (assume cut off wave length = λ\(_0\)

Plant pathogenic bacteria are mostly :

Biotic and abiotic components form :

According to hardy Schultze law the order of coagulation power of cations will be :

Sucrose on hydrolysis gives :

\( A compound BA_2 has K_{sp} = 4 × 10^{-12} solubility of this comp. will be \) :

When AABBcc is crossed with AaBbCc then the ratio of hybrid for all the three genes is :

In stomach after physical and chemical digestion food is called :

In millikan oil drop experiment a charged drop falls with a terminal velocity V. If an electric field E is applied vertically upwards it moves with terminal velocity 2V in upward direction. If electric field reduces to E/2 then its terminal velocity will be –

Light of wavelength 3000 Å in Photoelectric effect gives electron of max. K.E. 0.5 eV. If wavelength change to 2000 Å then max. K.E. of emitted electrons will be :

First transgenic plant :

Endosperm in Gymnosperm is :

Which of the following compound gives p- cresol with p-methyl diazonium chloride :

Which of the following comp. is coloured and has unpaired electron :

\( H_2O_2 on oxidation gives \) :

Which hormone is concerned with the concentration of urine :

Exchange of bicarbonates and chloride ions between RBC and plasma is called :

The error in measurement of radius of a sphere is 0.1% then error in its volume is –

For a vibration magnetometer, the time period of suspended bar magnet can be reduced by –

The K.E. of electron and photon is same then relation between their De-Broglie wavelength :

Dolly sheep was obtained by :

Two identically charged particles A and B initially at rest, are accelerated by a common potential difference V. They enters into a transverse uniform magnetic field B. They describe a circular path of radii r \(_1\) and r \(_2\) respectively then their mass ratio is :

Mole ratio of H2 and O2 gas is 8 : 1 what will be the ratio of wt. :

Which of the following does not reduce Fehling solution :

What is false for mole fraction :

Ventricular contraction in command of :

Which gland decreases in size with increasing age :

A body starts falling from height ‘h’ and travels distance h/2 during last second of motion then time of flight is (In second) –

The truth table for the following network is :

The total energy of an electron is 3.555 MeV,then its Kinetic energy is :

CCK and secretin secreted by :

A radio-active elements emits one α and β particles then mass no. of daughter element is :

Ionization energy of second orbit of Li \(^{+2}\) will be :

O.N. of P in pyrophosphoric acid is :

MgO and NaCl has similar structure. In MgO magnesiuem is surrounded by how many oxygen atoms :

Which of the following does not contain metal :

The K.E. of a person is just half of K.E. of a boy whose mass is just half of that person. If person increases its speed by 1 m/s, then its K.E. equals to that of boy then initial speed of person was –

Zener diode is used as –

Number of base pairs in human chromosomes :

Suspensory ligaments are found in :

The half life of a radio nuclide is 77 days then its decay constant is :

Which of the following electronic configuration will have maximum I.P. difference between II and III I.P. :

Which of the following example behave as a lewis acid \( BF_3, SnCl_2, SnCl_4 \) :

General behaviour of \( O_3 \) is :

Double unit membrane is absent in :

Two particles separated at a horizontal distance X as shown in fig. they projected at the same line as shown in fig. with different initial speeds. The time after which the horizontal distance between them become zero –

Depletion layer has (for an unbiased PN junction) –

Total amount of CO \(_2\) fixed annually by plants :

Life span of worker honey bee :

For a prism its refractive index is cot A/2 then minimum angle of deviation is :

The concentration of a solution is changed from 0.2 to 0.4, then what will be rate and rate constant. The reaction is of first order and rate constant is K = 1 × 10 \(_{-6}\) :

In which of the following comp. H atom is directly linked with phosphorus :

How many ATP will be formed by oxidation of 1 mole glucose :

Function of Nucleases :

For a particle displacement time relation is t = \(\sqrt{x}\) + 3. Its displacement when its velocity is zero –

A cylindrical tube (L = 125 cm) is resonant with a tuning fork of frequency 330 Hz. If it is filling by water then to get resonance again, minimum length of water column is (V\( _{air} \) = 330 m/s) –

Most stable pesticides

Para thormone deficiency leads to

A particle starts from rest with constant acceleration. The ratio of space-average velocity to the time average velocity is :

Half life of a radioactive sample is 4 days. After 16 days how much quantity of matter remain undecayed :

\( Determine the value of E^0 cell for the following reaction : Cu^{+2} + Sn^{+2} → Cu + Sn^{+4} Equilibrium constant is 106 Cu^{++} + Sn^{++} → Cu + Sn^{+4} \)

400 ml gas at 500 torr and 666.6 ml gas at 600 torr taken in a container of 3 litre then the total pressure of mixture :

What is phytotron :

If 100N force is applied to 10 kg. block as shown in diagram then acceleration produced for slab –

Initial pressure and volume of a gas are P and V respectively. First its volume is expanded to 4V by isothermal process and then again its volume makes to be V by adiabatic process then its final pressure is (γ = 1.5) –

Best economic method to harvest the solar energy :

Gene composed of :

If radius of earth shrinks by 1% then for acceleration due to gravity :

Which of the following gives ethyl benzene with phenyl methyl ketone :

What will be the H \(^+ \) con when 4 gm NaOH dissolved in 1000 ml. of water :

Which of the following is steroid harmones :

Species diversity is maximum in :

Which of following occurs in maximum concentration in blood plasma (ECF) :