NEET 2024 — Code S2

A horizontal force 10 N is applied to a block A as shown in figure. The mass of blocks A and B are 2 kg and 3 kg respectively. The blocks slide over a frictionless surface. The force exerted by block A on block B is :

290 82 eeX Y Z P Q + − −αβ⎯⎯ → ⎯⎯⎯ → ⎯⎯⎯ → ⎯⎯⎯ → In the nuclear emission stated above, the mass number and atomic number of the product Q respectively, are

Consider the following statements A and B and identify the correct answer: A. For a solar-cell, the I-V characteristics lies in the IV quadrant of the given graph. B. In a reverse biased pn junction diode, the current measured in (μA), is due to majority charge carriers.

At any instant of time t, the displacement of any particle is given by 2t – 1 (SI unit) under the influence of force of 5 N. The value of instantaneous power is (in SI unit):

A wire of length ‘l’ and resistance 100 Ω is divided into 10 equal parts. The first 5 parts are connected in series while the next 5 parts are connected in parallel. The two combinations are again connected in series. The resistance of this final combination is:

A thermodynamic system is taken through the cycle abcda. The work done by the gas along the path bc is:

A tightly wound 100 turns coil of radius 10 cm carries a current of 7 A. The magnitude of the magnetic field at the centre of the coil is (Take permeability of free space as 4π × 10–7 SI units):

The terminal voltage of the battery, whose emf is 10 V and internal resistance 1 Ω, when connected through an external resistance of 4 Ω as shown in the figure is:

A particle moving with uniform speed in a circular path maintains:

A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 N m–1, then the excess force required to take it away from the surface is

The quantities which have the same dimensions as those of solid angle are:

A logic circuit provides the output Y as per the following truth table : 0 0 1 0 1 0 1 0 1 1 1 0 A B Y The expression for the output Y is :

A thin spherical shell is charged by some source. The potential difference between the two points C and P (in V) shown in the figure is: (Take 9 0 1 9 104 =×πε SI units)

The candidates will write the Correct Test Booklet Code as given in the Test Booklet / Answer Sheet in the Attendance Sheet. Test Booklet Code Q1 PHYSICS SECTION-A 1. A logic circuit provides the output Y as per the following truth table : 0 0 1 0 1 0 1 0 1 1 1 0 A B Y The expression for the output Y is :

Match List-I with List-II. List-I (Material) List-II (Susceptibility (χ)) A. Diamagnetic I. χ = 0 B. Ferromagnetic II. 0 > χ ≥ –1 C. Paramagnetic III. χ >> 1 D. Non-magnetic IV. 0 < χ < ε (a small positive number) Choose the correct answer from the options given below

Two bodies A and B of same mass undergo completely inelastic one dimensional collision. The body A moves with velocity v1 while body B is at rest before collision. The velocity of the system after collision is v2. The ratio v1 : v2 is

Given below are two statements: Statement I: Atoms are electrically neutral as they contain equal number of positive and negative charges. Statement II: Atoms of each element are stable and emit their characteristic spectrum. In the light of the above statements, choose the most appropriate answer from the options given below.

If 5sin m 3 π⎛⎞= π + ⎜⎟⎝⎠ xt represents the motion of a particle executing simple harmonic motion, the amplitude and time period of motion, respectively, are

The output (Y) of the given logic gate is similar to the output of an/a

In a vernier callipers, ( N + 1) divisions of vernier scale coincide with N divisions of main scale. If 1 MSD represents 0.1 mm, the vernier constant (in cm) is:

A bob is whirled in a horizontal plane by means of a string with an initial speed of ω rpm. The tension in the string is T. If speed becomes 2ω while keeping the same radius, the tension in the string becomes:

If c is the velocity of light in free space, the correct statements about photon among the following are: A. The energy of a photon is E = hν. B. The velocity of a photon is c. C. The momentum of a photon, ν= hp c . D. In a photon-electron collision, both total energy and total momentum are conserved. E. Photon possesses positive charge. Choose the correct answer from the options given below:

In the above diagram, a strong bar magnet is moving towards solenoid -2 from solenoid -1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The potential ( V) at any axial point, at 2 m distance ( r) from the centre of the dipole of dipole moment vector P of magnitude, 4 × 10–6 C m, is ± 9 × 103 V. (Take 0 1 4π∈ = 9 × 109 SI units) Reason R: 2 0 2 , 4 =± π∈ PV r where r is the distance of any axial point, situated at 2 m from the centre of the dipole. In the light of the above statements, choose the correct answer from the options given below:

The mass of a planet is 1 10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:

In an ideal transformer, the turns ratio is 1 2 P S N N = . The ratio VS : VP is equal to (the symbols carry their usual meaning) :

If the monochromatic source in Young’s double slit experiment is replaced by white light, then

The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young’s modulus, respectively, are 8 × 108 N m–2 and 2 × 1011 N m–2, is:

An unpolarised light beam strikes a glass surface at Brewster's angle. Then

In a uniform magnetic field of 0.049 T, a magnetic needle performs 20 complete oscillations in 5 seconds as shown. The moment of inertia of the needle is 9.8 x 10 –6 kg m2. If the magnitude of magnetic moment of the needle is x × 10–5 Am2, then the value of ‘x’ is :

A light ray enters through a right angled prism at point P with the angle of incidence 30° as shown in figure. It travels through the prism parallel to its base BC and emerges along the face AC. The refractive index of the prism is:

In the following circuit, the equivalent capacitance between terminal A and terminal B is :

A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is ν in the direction shown, which one of the following options is correct ( P and Q are any highest and lowest points on the wheel, respectively)?

The graph which shows the variation of 2 1⎛⎞ ⎜⎟λ⎝⎠ and its kinetic energy, E is (where λ is de Broglie wavelength of a free particle):

A small telescope has an objective of focal length 140 cm and an eye piece of focal length 5.0 cm. The magnifying power of telescope for viewing a distant object is:

The following graph represents the T-V curves of an ideal gas (where T is the temperature and V the volume) at three pressures P1, P2 and P3 compared with those of Charles’s law represented as dotted lines. Then the correct relation is:

If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its original length, then the new time period of oscillation is 2 x times its original time period. Then the value of x is:

Two heaters A and B have power rating of 1 kW and 2 kW, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is:

A force defined by F = αt2 + βt acts on a particle at a given time t. The factor which is dimensionless, if α and β are constants, is:

If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then A. the charge stored in it, increases. B. the energy stored in it, decreases. C. its capacitance increases. D. the ratio of charge to its potential remains the same. E. the product of charge and voltage increases. Choose the most appropriate answer from the options given below:

An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle 60° with each other. The magnetic moment of this new magnet is :

A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to: A. hold the sheet there if it is magnetic. B. hold the sheet there if it is non-magnetic. C. move the sheet away from the pole with uniform velocity if it is conducting. D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar. Choose the correct statement(s) from the options given below:

A 10 μF capacitor is connected to a 210 V, 50 Hz source as shown in figure. The peak current in the circuit is nearly (π = 3.14):

A metallic bar of Young’s modulus, 0.5 × 10 11 N m –2 and coefficient of linear thermal expansion 10 –5 °C–1, length 1 m and area of cross-section 10–3 m2 is heated from 0°C to 100°C without expansion or bending. The compressive force developed in it is :

The velocity (v) – time (t) plot of the motion of a body is shown below: The acceleration (a) – time (t) graph that best suits this motion is :

Choose the correct circuit which can achieve the bridge balance.

The property which is not of an electromagnetic wave travelling in free space is that:

The minimum energy required to launch a satellite of mass m from the surface of earth of mass M and radius R in a circular orbit at an altitude of 2R from the surface of the earth is:

A parallel plate capacitor is charged by connecting it to a battery through a resistor. If I is the current in the circuit, then in the gap between the plates:

Match List I with List II. List I List II (Conversion) (Number of Faraday required) A. 1 mol of H2O to O2 I. 3F B. 1 mol of 4MnO− to Mn2+ II. 2F C. 1.5 mol of Ca from molten CaCl2 III. 1F D. 1 mol of FeO to Fe2O3 IV. 5F Choose the correct answer from the options given below:

The highest number of helium atoms is in

Which plot of ln k vs 1 T is consistent with Arrhenius equation?

For the reaction 2A B + C, KC = 4 × 10–3. At a given time, the composition of reaction mixture is: [A] = [B] = [C] = 2 × 10–3 M. Then, which of the following is correct?

Match List I with List II. List I (Complex) List II (Type of isomerism) A. [Co(NH3)5(NO2)]Cl2 I. Solvate isomerism B. [Co(NH3)5(SO4)]Br II. Linkage isomerism C. [Co(NH3)6][Cr(CN)6] III. Ionization isomerism D. [Co(H2O)6]Cl3 IV. Coordination isomerism Choose the correct answer from the options given below:

A compound with a molecular formula of C6H14 has two tertiary carbons. Its IUPAC name is :

Match List I with List II List I List II (Quantum Number) (Information provided) A. ml I. Shape of orbital B. ms II. Size of orbital C. l III. Orientation of orbital D. n IV. Orientation of spin of electron Choose the correct answer from the options given below :

‘Spin only’ magnetic moment is same for which of the following ions? A. Ti3+ B. Cr2+ C. Mn2+ D. Fe2+ E. Sc3+ Choose the most appropriate answer from the options given below.

Which one of the following alcohols reacts instantaneously with Lucas reagent?

Arrange the following elements in increasing order of electronegativity: N, O, F, C, Si Choose the correct answer from the options given below:

In which of the following processes entropy increases? A. A liquid evaporates to vapour. B. Temperature of a crystalline solid lowered from 130 K to 0 K. C. 2NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g) D. Cl2(g) → 2Cl(g) Choose the correct answer from the options given below:

The most stable carbocation among the following is :

The energy of an electron in the ground state (n = 1) for He + ion is –x J, then that for an electron in n = 2 state for Be3+ ion in J is

Given below are two statements: Statement I : The boiling point of three isomeric pentanes follows the order n-pentane > isopentane > neopentane Statement II : When branching increases, the molecule attains a shape of sphere. This results in smaller surface area for contact, due to which the intermolecular forces between the spherical molecules are weak, thereby lowering the boiling point. In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II. List I List II (Compound) (Shape/geometry) A. NH3 I. Trigonal Pyramidal B. BrF5 II. Square Planar C. XeF4 III. Octahedral D. SF6 IV. Square Pyramidal Choose the correct answer from the options given below:

Given below are two statements: Statement I: The boiling point of hydrides of Group 16 elements follow the order H2O > H2Te > H2Se > H2S. Statement II: On the basis of molecular mass, H 2O is expected to have lower boiling point than the other members of the group but due to the presence of extensive H-bonding in H2O, it has higher boiling point. In the light of the above statements, choose the correct answer from the options given below:

Arrange the following elements in increasing order of first ionization enthalpy: Li, Be, B, C, N Choose the correct answer from the options given below:

Identify the correct reagents that would bring about the following transformation.

Activation energy of any chemical reaction can be calculated if one knows the value of

On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on the above principle is known as

Among Group 16 elements, which one does NOT show –2 oxidation state?

Match List I with List II. List-I List-II (Process) (Conditions) A. Isothermal process I. No heat exchange B. Isochoric process II. Carried out at constant temperature C. Isobaric process III. Carried out at constant volume D. Adiabatic process IV. Carried out at constant pressure Choose the correct answer from the options given below:

Which reaction is NOT a redox reaction?

The Henry’s law constant (K H) values of three gases (A, B, C) in water are 145, 2 × 10 –5 and 35 kbar, respectively. The solubility of these gases in water follow the order:

Match List I with List II. List I List II (Reaction) (Reagents/Condition) A. I. B. II. CrO3 C. III. KMnO4/KOH, Δ D. IV. (i) O3 (ii) Zn-H2O Choose the correct answer from the options given below:

In which of the following equilibria, Kp and Kc are NOT equal?

Intramolecular hydrogen bonding is present in

Given below are two statements : Statement I: Both [Co(NH3)6]3+ and [CoF6]3– complexes are octahedral but differ in their magnetic behaviour. Statement II: [Co(NH3)6]3+ is diamagnetic whereas [CoF6]3– is paramagnetic. In the light of the above statements, choose the correct answer from the options given below:

The compound that will undergo SN1 reaction with the fastest rate is

Given below are two statements: Statement I : Aniline does not undergo Friedel-Crafts alkylation reaction. Statement II : Aniline cannot be prepared through Gabriel synthesis . In the light of the above statements, choose the correct answer from the options given below:

1 gram of sodium hydroxide was treated with 25 mL of 0.75 M HCl solution, the mass of sodium hydroxide left unreacted is equal to

The E° value for the Mn3+/Mn2+ couple is more positive than that of Cr3+/Cr2+ or Fe3+/Fe2+ due to change of

The reagents with which glucose does not react to give the corresponding tests/products are A. Tollen’s reagent B. Schiff’s reagent C. HCN D. NH2OH E. NaHSO3 Choose the correct options from the given below:

Match List I with List II. List I List II (Molecule) (Number and types of bond/s between two carbon atoms) A. ethane I. one σ-bond and two π-bonds B. ethene II. two π-bonds C. carbon molecule, C2 III. one σ-bond D. ethyne IV. one σ-bond and one π-bond Choose the correct answer from the options given below:

Fehling’s solution ‘A’ is

Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI. A. Al3+ B. Cu2+ C. Ba2+ D. Co2+ E. Mg2+ Choose the correct answer from the options given below.

Major products A and B formed in the following reaction sequence, are

The rate of a reaction quadruples when temperature changes from 27°C to 57°C. Calculate the energy of activation. Given R = 8.314 J K–1 mol–1, log4 = 0.6021

Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is (Given : Molar mass of Cu : 63 g mol –1, 1 F = 96487 C)

Identify the major product C formed in the following reaction sequence: NaCN 3 2 2CH CH CH I A− − − ⎯⎯⎯ ⎯ → 2 OH NaOH Partial hydrolysis Br (major) BC − ⎯⎯⎯⎯⎯⎯⎯ → ⎯⎯⎯ ⎯ →

The work done during reversible isothermal expansion of one mole of hydrogen gas at 25°C from pressure of 20 atmosphere to 10 atmosphere is (Given R = 2.0 cal K–1 mol–1)

Consider the following reaction in a sealed vessel at equilibrium with concentrations of N2 = 3.0 × 10–3 M, O2 = 4.2 × 10–3 M and NO = 2.8 × 10–3 M. 2NO(g) ? N2(g) + O2(g) If 0.1 mol L –1 of NO (g) is taken in a closed vessel, what will be degree of dissociation ( α) of NO (g) at equilibrium?

Given below are two statements : Statement I : [Co(NH3)6]3+ is a homoleptic complex whereas [Co(NH3)4Cl2]+ is a heteroleptic complex. Statement II : Complex [Co(NH 3)6]3+ has only one kind of ligands but [Co(NH 3)4Cl2]+ has more than one kind of ligands. In the light of the above statements, choose the correct answer from the options given below.

The pair of lanthanoid ions which are diamagnetic is

During the preparation of Mohr’s salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of Fe2+ ion?

The products A and B obtained in the following reactions, respectively, are 3ROH + PCl3 → 3RCl + A ROH + PCl5 → RCl + HCl + B

For the given reaction: ‘P’ is

A compound X contains 32% of A, 20% of B and remaining percentage of C. Then, the empirical formula of X is : (Given atomic masses of A = 64; B = 40; C = 32 u)

The plot of osmotic pressure ( Π) vs concentration (mol L –1) for a solution gives a straight line with slope 25.73 L bar mol–1. The temperature at which the osmotic pressure measurement is done is (Use R = 0.083 L bar mol–1 K–1)

Identify the correct answer.

Given below are two statements: Statement I : Parenchyma is living but collenchyma is dead tissue. Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. In the light of the above statements, choose the correct answer from the options given below:

Identify the part of the seed from the given figure which is destined to form root when the seed germinates.

Which one of the following is not a criterion for classification of fungi?

Tropical regions show greatest level of species richness because A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification. B. Tropical environments are more seasonal. C. More solar energy is available in tropics. D. Constant environments promote niche specialization. E. Tropical environments are constant and predictable. Choose the correct answer from the options given below.

Which of the following is an example of actinomorphic flower?

Spindle fibers attach to kinetochores of chromosomes during

The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called

Formation of interfascicular cambium from fully developed parenchyma cells is an example for

Identify the set of correct statements: A. The flowers of Vallisneria are colourful and produce nectar. B. The flowers of water lily are not pollinated by water. C. In most of water-pollinated species, the pollen grains are protected from wetting. D. Pollen grains of some hydrophytes are long and ribbon like. E. In some hydrophytes, the pollen grains are carried passively inside water. Choose the correct answer from the options given below.

A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and down stream end;

Given below are two statements: Statement I : Chromosomes become gradually visible under light microscope during leptotene stage. Statement II : The beginning of diplotene stage is recognized by dissolution of synaptonemal complex. In the light of the above statements, choose the correct answer from the options given below:

The capacity to generate a whole plant from any cell of the plant is called:

In the given figure, which component has thin outer walls and highly thickened inner walls?

Match List I with List II List-I List-II A. Rhizopus I. Mushroom B. Ustilago II. Smut fungus C. Puccinia III. Bread mould D. Agaricus IV. Rust fungus Choose the correct answer from the options given below:

Match List I with List II List-I List-II A. Nucleolus I. Site of formation of glycolipid B. Centriole II. Organization like the cartwheel C. Leucoplasts III. Site for active ribosomal RNA synthesis D. Golgi apparatus IV. For storing nutrients Choose the correct answer from the options given below:

List of endangered species was released by

The lactose present in the growth medium of bacteria is transported to the cell by the action of

The cofactor of the enzyme carboxypeptidase is:

Lecithin, a small molecular weight organic compound found in living tissues, is an example of:

Match List I with List II List I List II A. Clostridium butylicum I. Ethanol B. Saccharomyces cerevisiae II. Streptokinase C. Trichoderma polysporum III. Butyric acid D. Streptococcus sp. IV. Cyclosporin-A Choose the correct answer from the options given below:

Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b)

Bulliform cells are responsible for

In a plant, black seed color (BB/Bb) is dominant over white seed color (bb). In order to find out the genotype of the black seed plant, with which of the following genotype will you cross it?

Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin

Which one of the following can be explained on the basis of Mendel's Law of Dominance? A. Out of one pair of factors one is dominant and the other is recessive. B. Alleles do not show any expression and both the characters appear as such in F2 generation. C. Factors occur in pairs in normal diploid plants. D. The discrete unit controlling a particular character is called factor. E. The expression of only one of the parental characters is found in a monohybrid cross. Choose the correct answer from the options given below:

Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism? A. The piece of DNA would be able to multiply itself independently in the progeny cells of the organism. B. It may get integrated into the genome of the recipient. C. It may multiply and be inherited along with the host DNA. D. The alien piece of DNA is not an integral part of chromosome. E. It shows ability to replicate. Choose the correct answer from the options given below:

A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?

These are regarded as major causes of biodiversity loss: A. Over exploitation B. Co-extinction C. Mutation D. Habitat loss and fragmentation E. Migration Choose the correct option:

Which of the following are required for the dark reaction of photosynthesis? A. Light B. Chlorophyll C. CO2 D. ATP E. NADPH Choose the correct answer from the options given below:

Match List I with List II List I List II A. Two or more alternative forms of a gene I. Back cross B. Cross of F1 progeny with homozygous II. Ploidy recessive parent C. Cross of F1 progeny with any of the parents III. Allele D. Number of chromosome sets in plant IV. Test cross Choose the correct answer from the options given below:

Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:

The equation of Verhulst-Pearl logistic growth is dN K NrNdt K −⎡⎤= ⎢⎥⎣⎦ . From this equation, K indicates:

How many molecules of ATP and NADPH are required for every molecule of CO ₂ fixed in the Calvin cycle?

Given below are two statements: Statement I : Bt toxins are insect group specific and coded by a gene cry IAc. Statement II : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic pH of the insect gut. In the light of the above statements, choose the correct answer from the options given below:

Match List-I with List-II List-I List-II A. GLUT-4 I. Hormone B. Insulin II. Enzyme C. Trypsin III. Intercellular ground substance D. Collagen IV. Enables glucose transport into cells Choose the correct answer from the options given below.

Match List I with List II List I (Types of Stamens) List II (Example) A. Monoadelphous I. Citrus B. Diadelphous II. Pea C. Polyadelphous III. Lily D. Epiphyllous IV. China-rose Choose the correct answer from the options given below:

Match List I with List II List I List II A. Citric acid cycle I. Cytoplasm B. Glycolysis II. Mitochondrial matrix C. Electron transport system III. Intermembrane space of mitochondria D. Proton gradient IV. Inner mitochondrial membrane Choose the correct answer from the options given below:

Match List I with List II List I List II A. Robert May I. Species-Area relationship B. Alexander von Humboldt II. Long term ecosystem experiment using out door plots C. Paul Ehrlich III. Global species diversity at about 7 million D. David Tilman IV. Rivet popper hypothesis Choose the correct answer from the options given below:

Given below are two statements: Statement I: In C3 plants, some O2 binds to RuBisCO, hence CO2 fixation is decreased. Statement II: In C4 plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration. In the light of the above statements, choose the correct answer from the options given below:

Match List I with List II List I List II A. Frederick Griffith I. Genetic code B. Francois Jacob & Jacque Monod II. Semi-conservative mode of DNA replication C. Har Gobind Khorana III. Transformation D. Meselson & Stahl IV. Lac operon Choose the correct answer from the options given below:

In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x (kcal m–2) yr–1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?

Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate.

The DNA present in chloroplast is:

Read the following statements and choose the set of correct statements: In the members of Phaeophyceae, A. Asexual reproduction occurs usually by biflagellate zoospores. B. Sexual reproduction is by oogamous method only. C. Stored food is in the form of carbohydrates which is either mannitol or laminarin. D. The major pigments found are chlorophyll a, c and carotenoids and xanthophyll. E. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin. Choose the correct answer from the options given below:

Which of the following statement is correct regarding the process of replication in E.coli?

Match List I with List II List I List II A. Rose I. Twisted aestivation B. Pea II. Perigynous flower C. Cotton III. Drupe D. Mango IV. Marginal placentation Choose the correct answer from the options given below :

Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

Which of the following are fused in somatic hybridization involving two varieties of plants?

Identify the correct description about the given figure:

Match List I with List II : List I List II A. α –I antitrypsin I. Cotton bollworm B. Cry IAb II. ADA deficiency C. Cry IAc III. Emphysema D Enzyme replacement therapy IV Corn borer Choose the correct answer form the options given below:

Which of the following is not a component of Fallopian tube?

The “Ti plasmid” of Agrobacterium tumefaciens stands for

Which one of the following factors will not affect the Hardy-Weinberg equilibrium?

Following are the stages of pathway for conduction of an action potential through the heart A. AV bundle B. Purkinje fibres C. AV node D. Bundle branches E. SA node Choose the correct sequence of pathway from the options given below

Given below are two statements : Statement I : In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes. Statement II : The proximal convoluted tubule is line d by simple columnar brush border epithelium and increases the surface area for reabsorption. In the light of the above statements, choose the correct answer from the option given below :

Match List I with List II : List I List II A. Down’s syndrome I. 11th chromosome B. α-Thalassemia II. ‘X’ chromosome C. β-Thalassemia III. 21st chromosome D. Klinefelter’s syndrome IV. 16th chromosome Choose the correct answer from the options given below :

Given below are some stages of human evolution. Arrange them in correct sequence. (Past to Recent) A. Homo habilis B. Homo sapiens C. Homo neanderthalensis D. Homo erectus Choose the correct sequence of human evolution from the options given below:

The flippers of the Penguins and Dolphins are the example of the

Match List I with List II : List I (Sub Phases of Prophase I) List II (Specific Characters) A. Diakinesis I. Synaptonemal complex formation B. Pachytene II. Completion of terminalisation of chiasmata C. Zygotene III. Chromosomes look like thin threads D. Leptotene IV. Appearance of recombination nodules Choose the correct answer from the options given below

Match List I with List II : List I List II A. Typhoid I. Fungus B. Leishmaniasis II. Nematode C. Ringworm III. Protozoa D. Filariasis IV. Bacteria Choose the correct answer from the options given below:

Match List I with List II : List I List II A. Pons I. Provides additional space for Neurons, regulates posture and balance. B. Hypothalamus II. Controls respiration and gastric secretions. C. Medulla III. Connects different regions of the brain. D. Cerebellum IV. Neuro secretory cells Choose the correct answer from the options given below :

Which one is the correct product of DNA dependent RNA polymerase to the given template? 3’TACATGGCAAATATCCATTCA5’

Match List I with List II : List I A. Pterophyllum B. Myxine C. Pristis D. Exocoetus List II I. Hag fish II. Saw fish III. Angel fish IV. Flying fish Choose the correct answer from the options given below :

Consider the following statements : A. Annelids are true coelomates B. Poriferans are pseudocoelomates C. Aschelminthes are acoelomates D. Platyhelminthes are pseudocoelomates Choose the correct answer from the options given below :

Match List I with List II : List I List II A. Common cold I. Plasmodium B. Haemozoin II. Typhoid C. Widal test III. Rhinoviruses D. Allergy IV. Dust mites Choose the correct answer from the options given below :

Which of the following statements is incorrect?

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : FSH acts upon ovarian follicles in female and Leydig cells in male. Reason R : Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being. In the light of the above statements, choose the correct answer from the options given below :

Following are the stages of cell division : A. Gap 2 phase B. Cytokinesis C. Synthesis phase D. Karyokinesis E. Gap 1 phase Choose the correct sequence of stages from the options given below :

Given below are two statements: Statement I: The presence or absence of hymen is not a reliable indicator of virginity. Statement II: The hymen is torn during the first coitus only. In the light of the above statements, choose the correct answer from the options given below :

Which of the following is not a natural/traditional contraceptive method?

Match List I with List II : List I List II A. Fibrous joints I. Adjacent vertebrae, limited movement B. Cartilaginous joints II. Humerus and Pectoral girdle, rotational movement C. Hinge joints III. Skull, don’t allow any movement D. Ball and socket joints IV. Knee, help in locomotion Choose the correct answer from the options given below :

The following diagram showing restriction sites in E. coli cloning vector pBR322. Find the role of ‘ X’ and ‘Y’ genes :

Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

Match List I with List II List I List II A. Non-medicated IUD I. Multiload 375 B. Copper releasing IUD II. Progestogens C. Hormone releasing IUD III. Lippes loop D. Implants IV. LNG-20 Choose the correct answer from the option given below:

Match List I with List II : List I List II A. Expiratory capacity I. Expiratory reserve volume + Tidal volume + Inspiratory reserve volume B. Functional residual capacity II. Tidal volume + Expiratory reserve volume C. Vital capacity III. Tidal volume + Inspiratory reserve volume D. Inspiratory capacity IV. Expiratory reserve volume + Residual volume Choose the correct answer from the options given below :

Match List I with List II : List I List II A. Pleurobrachia I. Mollusca B. Radula II. Ctenophora C. Stomochord III. Osteichthyes D. Air bladder IV. Hemichordata Choose the correct answer from the options given below :

Which of the following are Autoimmune disorders? A. Myasthenia gravis B. Rheumatoid arthritis C. Gout D. Muscular dystrophy E. Systemic Lupus Erythematosus (SLE) Choose the most appropriate answer from the options given below:

Match List I with List II : List I List II A. Cocaine I. Effective sedative in surgery B. Heroin II. Cannabis sativa C. Morphine III. Erythroxylum D. Marijuana IV. Papaver somniferum Choose the correct answer from the options given below:

Match List I with List II : List I List II A. Axoneme I. Centriole B. Cartwheel pattern II. Cilia and flagella C. Crista III. Chromosome D. Satellite IV. Mitochondria Choose the correct answer from the options given below :

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A : Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby. Reason R : Colostrum contains several antibodies absolutely essential to develop resistance for the new born baby. In the light of the above statements, choose the most appropriate answer from the options given below:

Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body: Name of muscle/location

Match List I with List II : List-I List-II A. Lipase I. Peptide bond B. Nuclease II. Ester bond C. Protease III. Glycosidic bond D. Amylase IV. Phosphodiester bond Choose the correct answer from the options given below :

Which of the following is not a steroid hormone?

Regarding catalytic cycle of an enzyme action, select the correct sequential steps : A. Substrate enzyme complex formation. B. Free enzyme ready to bind with another substrate. C. Release of products. D. Chemical bonds of the substrate broken. E. Substrate binding to active site. Choose the correct answer from the options given below :

Given below are two statements : Statement I : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced. Statement II : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes. In the light of above statements, choose the most appropriate answer from the options given below :

Match List I with List II : List I List II A. Exophthalmic goiter I. Excess secretion of cortisol, moon face & hypergylcemia. B. Acromegaly II. Hypo-secretion of thyroid hormone and stunted growth. C. Cushing’s syndrome III. Hyper secretion of thyroid hormone & protruding eye balls. D. Cretinism IV. Excessive secretion of growth hormone. Choose the correct answer from the options given below :

Match List I with List II: List I List II A. RNA polymerase III I. snRNPs B. Termination of transcription II. Promotor C. Splicing of Exons III. Rho factor D. TATA box IV. SnRNAs, tRNA Choose the correct answer from the options given below :

Given below are two statements: Statement I: The cerebral hemispheres are connected by nerve tract known as corpus callosum. Statement II: The brain stem consists of the medulla oblongata, pons and cerebrum. In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II: List I List II A. Unicellular glandular epithelium I. Salivary glands B. Compound epithelium II. Pancreas C. Multicellular glandular epithelium III. Goblet cells of alimentary canal D. Endocrine glandular epithelium IV. Moist surface of buccal cavity Choose the correct answer from the options given below:

Match List I with List II: List I List II A. Mesozoic Era I. Lower invertebrates B. Proterozoic Era II. Fish & Amphibia C. Cenozoic Era III. Birds & Reptiles D. Paleozoic Era IV. Mammals Choose the correct answer from the options given below :

Given below are two statements: Statement I: Mitochondria and chloroplasts both double membranes bound organelles. Statement II: Inner membrane of mitochondria is relatively less permeable, as compared chloroplast. In the light of the above statements, choose the mis appropriate answer from the options given below:

Match List I with List II related to digestive system of cockroach. List I List II A. The structures used for storing of food I. Gizzard B. Ring of 6-8 blind tubules at junction of foregut and midgut. II. Gastric Caeca C. Ring of 100 -150 yellow coloured thin filaments at junction of midgut and hindgut. III. Malpighian tubules D. The structures used for grinding the food. IV. Crop Choose the correct answer from the options given below:

Given below are two statements: Statement I: Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely. Statement II: According to Gause's principle, during competition, the inferior will be eliminated. This may be true if resources are limiting. In the light of the above statements, choose the correct answer from the options given below :

The following are the statements about non-chordates: A. Pharynx is perforated by gill slits. B. Notochord is absent. C. Central nervous system is dorsal. D. Heart is dorsal if present. E. Post anal tail is absent. Choose the most appropriate answer from the options given below:

As per ABO blood grouping system, the blood group of father is B +, mother is A + and child is O +. Their respective genotype can be A. IBi/IAi/ii B. IBIB/IAIA/ii C. IAIB/iIA/IBi D. IAi/IBi/IAi E. iIB/iIA/IAIB Choose the most appropriate answer from the options given below :

Choose the correct statement given below regarding juxta medullary nephron.

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

Match List I with List II : List I List II A. P wave I. Heart muscles are electrically silent. B. QRS complex II. Depolarisation of ventricles. C. T wave III. Depolarisation of atria. D. T-P gap IV. Repolarisation of ventricles. Choose the correct answer from the options given below :