NEET UG TYPE 01

In a monocot embryo, the single cotyledon is called:

Hydra is a:

The Red Data Book contains records of:

The first genetically engineered human insulin was produced using:

A pedigree chart is particularly useful for studying:

In males, FSH acts on:

After implantation, hCG is secreted by:

During contraction of a sarcomere:

Normal glomerular filtration rate (GFR) in a healthy adult is approximately:

The Bohr effect refers to:

Semilunar valves open when:

The chromosomal constitution of Turner syndrome is:

Barr body in human females represents:

Peptide bond formation during translation is catalysed by:

The number of stop codons in the genetic code is:

If a father has blood group AB and mother has blood group O, which blood group cannot appear among their children?

A test-tube baby is produced by:

HIV primarily attacks:

The infective stage of Plasmodium for humans is:

Vaccination provides:

Hardy-Weinberg equilibrium assumes:

Lac operon is induced in the presence of:

RNA is synthesized from DNA template by:

DNA replication is:

The Law of Segregation was proposed by:

In a monohybrid cross between two heterozygotes, the phenotypic ratio in F2 is:

Amniocentesis is primarily used for:

Morula is formed as a result of:

In humans, fertilization normally occurs in the:

Transformation of spermatids into spermatozoa is called:

Corpus luteum mainly secretes:

Deficiency of thyroxine in childhood causes:

Insulin is secreted by:

Rods in retina are mainly responsible for vision in:

Ball and socket joint is present in:

During muscle contraction, actin filaments slide over:

ADH mainly increases water reabsorption in:

Counter-current mechanism in kidney helps in:

Oxyhaemoglobin is formed mainly in:

The tidal volume of a healthy adult human is about:

The pacemaker of human heart is:

The universal donor among blood groups is:

The normal pH of human blood is approximately:

Bile is secreted by the:

The functional unit of kidney is:

The heart of frog is:

Cardiac muscle fibres are:

Mature mammalian RBCs are:

Notochord is present at some stage in all members of:

Cnidoblasts are characteristic of:

The system of binomial nomenclature was popularized by:

Mycorrhiza especially helps plants in absorption of:

Standing crop in an ecosystem can be expressed as:

The ecological pyramid that is always upright is the pyramid of:

Eutrophication of water bodies is mainly caused by excessive input of:

Restriction endonucleases cut DNA at:

Taq polymerase used in PCR is obtained from:

Entry of pollen tube into the ovule through the micropyle is called:

The ascent of sap is best explained by:

Bolting in rosette plants can be induced by:

The reserve food material in red algae is:

The endosperm of angiosperms is usually:

Crossing over during meiosis takes place in:

A plant cell placed in a hypertonic solution is most likely to undergo:

ATP synthase particles in mitochondria are located on the:

Kranz anatomy is associated with:

A commonly used vector in recombinant DNA technology is:

Bt cotton is resistant to bollworms because it contains:

Lichens are symbiotic associations between:

Nitrogenase enzyme requires which pair of elements for activity?

In a dorsiventral leaf, stomata are more numerous on the:

Primary growth in plants occurs due to activity of:

Heterospory is shown by:

Agar is obtained from:

Perisperm represents persistent:

An exalbuminous seed is:

Vexillary aestivation is found in the family:

Carrot is an example of:

The highly resistant material present in the exine of pollen grain is:

Parthenocarpy refers to development of fruit:

Double fertilization in angiosperms gives rise to:

Functional megaspore(s) usually present in a typical angiosperm embryo sac is/are:

Long-distance ascent of water in xylem occurs mainly due to:

The plant hormone that delays leaf senescence is:

Stomatal closure is promoted by:

The plant growth regulator that primarily promotes cell elongation is:

The respiratory quotient (RQ) for fats is generally:

Photorespiration is characteristic mainly of:

In C4 plants, the primary CO2 acceptor is:

Cyclic photophosphorylation results in the formation of:

The stage of cell cycle immediately preceding mitosis is:

The ribosomes present in prokaryotic cells are:

The powerhouse of the cell is:

Middle lamella is mainly composed of:

Companion cells are absent in the phloem of:

Open collateral vascular bundles are characteristically present in:

Opposite phyllotaxy is found in:

Seeds are naked in:

In pteridophytes, the main plant body is the:

The dominant, independent phase in bryophytes is:

Proteins are polymers of:

Primary aliphatic amines react with nitrous acid to form mainly:

The methyl group in toluene is:

Hydrolysis of sucrose gives:

Cannizzaro reaction is shown by:

Which reagent oxidizes a primary alcohol to an aldehyde without further oxidation to acid?

Nucleophilic substitution in chlorobenzene is difficult mainly because:

The oxidation number of sulphur in SO4^2- is:

In a disproportionation reaction, one and the same species undergoes:

The number of unpaired electrons in a high-spin d5 ion is:

In the cell reaction Zn + Cu^2+ → Zn^2+ + Cu, the number of electrons transferred is:

At 25°C, for a conjugate acid-base pair:

For solutions of the same molar concentration at the same temperature, the highest osmotic pressure will be shown by:

For the reaction A → products, doubling the concentration of A doubles the rate. The order with respect to A is:

The equivalent mass of H2SO4 in acid-base reactions is:

Nylon-6,6 is obtained by condensation polymerization of:

Aniline is less basic than methylamine because in aniline:

The IUPAC name of CH3COCH3 is:

Benzene undergoes electrophilic substitution rather than addition because it:

Tollens' reagent is used to distinguish between:

Dehydration of ethanol at 443 K in presence of concentrated H2SO4 gives mainly:

The major product obtained by addition of HBr to propene in the absence of peroxide is:

On mild oxidation, aldehydes generally form:

The IUPAC name of K4[Fe(CN)6] is:

The coordination number of cobalt in [Co(NH3)6]Cl3 is:

Lanthanoid contraction is mainly due to poor shielding by:

The colour of many transition metal ions is mainly due to:

Which of the following is an acidic oxide?

BCl3 is an electron-deficient molecule because boron has:

The most electronegative element is:

The oxidation number of manganese in KMnO4 is:

The half-life of a first-order reaction is:

The unit of the rate constant for a first-order reaction is:

The standard emf of a cell is calculated by:

On dilution of an electrolytic solution, its specific conductance:

The van't Hoff factor for ideal NaCl solution is:

Molality of a solution:

A buffer solution can be prepared by mixing:

The pH of 10^-3 M HCl solution is:

At chemical equilibrium, the value of ΔG is:

Hess's law is based on the fact that enthalpy is a:

Among HF, HCl, HBr and HI, the most polar bond is present in:

Which species has the highest bond order?

The hybridization of each carbon atom in ethene is:

The shape of NH3 molecule is:

Across a period, ionization enthalpy generally:

The azimuthal quantum number for a 3d electron is:

The maximum number of electrons that can be accommodated in the shell with principal quantum number n = 3 is:

The number of moles present in 9 g of water is:

The empirical formula of glucose (C6H12O6) is:

The electric potential due to an electric dipole at a point on its equatorial line is:

For a small-angle prism, the angle of deviation δ is given by:

If inductance L becomes 4 times and capacitance C becomes one-fourth, the resonant frequency of an LC circuit:

The majority charge carriers in an n-type semiconductor are:

After three half-lives, the fraction of a radioactive sample left undecayed is:

The de Broglie wavelength of an electron accelerated through a potential difference V is proportional to:

In Young's double slit experiment, if the separation between the slits is doubled, the fringe width becomes:

A convex lens has power +5 D. Its focal length is:

A straight conductor of length l moves with speed v perpendicular to a uniform magnetic field B. The induced emf is:

In a potentiometer experiment, two cells balance at lengths 300 cm and 500 cm respectively. The ratio of their emfs is:

A cell of emf 2 V and internal resistance 0.5 Ω is connected to an external resistance of 1.5 Ω. The current in the circuit is:

Two capacitors of capacitances 3 μF and 6 μF are connected in series. Their equivalent capacitance is:

A lift is descending with acceleration g/3. The apparent weight of a person of mass m inside it is:

A projectile is fired with speed u at an angle 30° with the horizontal. Its horizontal range is:

For a particle moving along x-axis, x = 2t³ - 3t² + 4. The velocity at t = 1 s is:

In free adiabatic expansion of an ideal gas into vacuum, the temperature:

The efficiency of a Carnot engine operating between temperatures T1 and T2 (T1 > T2) is:

Terminal velocity of a small sphere falling through a viscous medium is inversely proportional to:

The moment of inertia of a thin ring about one of its diameters is:

If the displacement-time graph of a particle is a straight line with positive slope, the particle has:

A universal gate among the following is:

In an intrinsic semiconductor:

In β^- decay, the atomic number of the nucleus:

The angular momentum of an electron in the nth Bohr orbit is:

Einstein's photoelectric equation is:

In a myopic eye, the image of a distant object is formed:

Total internal reflection takes place when light travels from:

The power factor of a purely resistive AC circuit is:

According to Lenz's law, the induced current in a circuit opposes:

A charged particle moves undeflected in crossed electric and magnetic fields. Its speed is:

The radius of the circular path of a charged particle moving perpendicular to a uniform magnetic field is proportional to:

The torque on a current-carrying loop in a magnetic field is maximum when the angle between magnetic moment and field is:

In a balanced Wheatstone bridge, the current through the galvanometer is:

The SI unit of resistivity is:

On completely filling the space between the plates of a capacitor with a dielectric of dielectric constant K, its capacitance becomes:

The electric field inside a conductor in electrostatic equilibrium is:

The frequency of the first overtone in a closed organ pipe is:

In simple harmonic motion, acceleration a at displacement x is given by:

For an ideal gas, the relation between molar heat capacities is:

The rms speed of gas molecules is proportional to:

In an isobaric process, the heat supplied to an ideal gas is used to:

The SI unit of coefficient of viscosity is:

The pressure difference between two points in a liquid separated vertically by a depth h is:

Escape speed from a planet is Ve and orbital speed close to its surface is Vo. Then:

For a solid sphere rolling without slipping, the ratio of translational kinetic energy to rotational kinetic energy is:

The work done by centripetal force in uniform circular motion is:

When a block remains at rest on a rough horizontal surface under a small applied force F, the static friction acting on it is:

A body covers equal distances with speeds v and 2v. Its average speed is:

At the highest point of the trajectory of a projectile, the angle between its velocity and acceleration is:

The dimensional formula of impulse is: