NEET 2019 — Code Q2

What map unit (Centimorgan) is adopted in the construction of genetic maps?

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:

A gene locus has two alleles A. a if the frequency of dominant allele A is 0.4. then what will be the frequency homozygous dominant, heterozygous and homozygous recessive individuals in the population?

Select the incorrect statement.

Which of the following factors is responsible for the formation of concentrated urine

Which of the following glucose transporters is insulin – dependent?

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:

Concanavalin A is:

Select the incorrect statement

The candidates will write the Correct Test Booklet Code as given in the Test Booklet / Answer Sheet in the Attendance Sheet. 1 TIME : 3 HRS DATE : 05-5-2019 NEET (UG) – 2019 SET- R3 SPACE FOR ROUGH WORK 1. The displacement of a particle executing simple harmonic motion is given by y = 𝐴0 + A sinwt + B coswt Then the amplitude of its oscillation is given by :

Which of the following statements is incorrect?

Which of the following contraceptive methods to involve a role of hormone?

Drug called ‘Heroin’ is synthesized by:

What is the site of perception of photoperiod necessary for induction of flowering in plants?

Thiobacillus is a group of bacteria helpful in carrying out :

In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights form 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

Expressed Sequence Tags (ESTs) refers to:

identify the cells whose secretion protects the lining of gastro -intestinal tract from various enzymes.

Extrusion of second polar body from egg nucleus occurs:

Which of the following statements is not correct?

Select the hormone -releasing Intra -Uterine Devices.

Pinus seed cannot germinate and establish without fungal association. This is because:

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth?

Coder which of the following conditions will there be no change in the reading frame of following mRNA? 5” AACAGCGGUGCUAUU 3”

From evolutionary point of view retention of the female gametophyte with developing young embryo on the parent sporophyte for some time is first observed in

The concept of “ Omnis cellula – e cellula ” regrading cell division was first proposed by:

Colostrum, the yellowish fluid, secreted by mother during the initial days of location is very essential to impart immunity to the newborn infants because it contains:

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:

It takes very long time for pineapple plants to produces flowers. Which combination of hormones can be applied to artificially induces flowering in pineapple plate throughout the year to increase yield

Which part of the brain is responsible for thermoregulation?

Which of the following pairs of gases is mainly responsible for green house effect?

DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :

The correct sequence of phases of cell cycle is:

Which of the following statements regarding mitochondria is incorrect?

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

The Earth Summit held in Rio de Janeiro in 1992 was called: 16 SPACE FOR ROUGH WORK

Variations caused by mutation, as proposed by Hugo de Vries, are

which of the following immune responses is responsible for rejection of Kidney graft?

Cells in G0 Phase:

Which of the following is a commercial blood cholesterol lowering agent?

Which of the following muscular disorders is inherited?

Which of the following statements is correct?

Following statements describe the characteristies of the enzyme Restriction Endonuclease. Identify the incorrect statement.

Phloem in gymnosperms lacks:

use of an artificial kidney during hemotiayis may result in:

Which of the following statements is incorrect?

Due to increasing air borne allergens and pollutants many people in urban areas are suffering from respiratory disorder causing wheezing due to:

which of the following sexually transmit diseases is not completely curable?

How does steroid hormone influence the cellular activities?

Which of the statements given below is not true about formation of Annual Rings in trees ?

What is the direction of movement of sugars in phloem?

The shorter and longer arms of a submetacentric chromosome are referred to as:

Which of these following methods is the most suitable for disposal of nuclear waste?

Which one of the following statements regarding post fertilization development in flowering plants is incorrect?

Select the correctly written scientific name of mango which was first described by Carolus Linnaeus:

What is the fate of the male gemetes discharged in the synergid?

Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DN Technology ?

Which of the following pairs of organelles does not contain DNA?

In some plants, the female gamete develops into is known as:

Conversion of glucoses to glucose – 6 - phosphate, the first irrev ersible reaction of glycolysis is catalyzed by:

Which of the following ecological pyramids is generally inverted?

Consider following features: (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body Select the correct option of animal groups which posses all the above characteristics.

What is the genetic disorder in which an individual has an overall masculine development. Gynaecomastia and is sterile?

Which of the following is the most important cause for animals and plants being driven to extinction?

What triggers activation of protoxin to active Bt Toxin of Bacillus Thuringowa’s in boll worm?

Select the correct sequence for transport of sperm cells in male reproductive system.

Persistent nucellus in the seed is known as :

Which one of the following equipment is essentially required for growing increase on a large scale for industrial production of enamels?

What would be the heart rate of a person if the cardiac output is 5L blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

Xylem translocates:

Which of the following is true for Golden rice?

Purines found both in DNA and RNA are:

Which of the following protocols did aim for reducing emission of chlorofluorocarbouns into the atmosphere ?

Placentation in which ovules develop on the inner well of the ovary of in peripheral part is:

The most suitable reagent for the following conversion is:

The correct structure of tribromooctaoxide is: 14 SPACE FOR ROUGH WORK

For a cell involving one electron 𝐸cell ⊖ =0.59 V at 298 K, the equilibrium constant for the cell reaction is: [Given that 2.303 RT F =0.059 V at T=298 K]

The structure of intermediate A in the following reaction is:

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is:

The non -essential amino acid among the following is:

A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is:

Which of the following reactions are disproportionation reaction? (a) 2Cu+ → Cu2+ + Cu0 (b) 3MnO4 2−+ 4H+→ 2MnO4 − + MnO2 + 2H2O (c) 2KMnO4 Δ → K2MnO4 + MnO2 + O2 (d) 2MnO4 − + 3Mn2+ + 2H2O → 5MnO2 + 4H+ Select the correct option from the following:

Which is the correct thermal stability order for 𝐻2𝐸 (E = O, S, Se, Te and Po)

4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:

Which will make basic buffer?

For the second period elements the correct increasing order of first ionisation enthalpy is:

Identify the incorrect statement related to PCl 5 from the following:

Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory?

The number of sigma ( σ) and pi ( π) bonds in pent-2-en-4-yne is:

Among the following the one that is not a green house gas is

Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is: [Given that 1 L bar = 100 J]

Which one is malachite from the following?

The mixture that forms maximum boiling azeotrope is:

The biodegradable polymer is:

Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?

For an ideal solution, the correct option is

Which of the following is an amphoteric hydroxide?

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:

Conjugate base for Bronsted acids H2O and HF are

The major product of the following reaction is:

The compound that is most difficult to protonate is:

For the chemical reactiona N2(g) + 3H2(g) ⇌ 2NH3(g) The correct option is

In which case change in entropy is negative?

For the cell reaction 2𝐹𝑒3+(𝑎𝑞)+2𝐼−(𝑎𝑞)→2𝐹𝑒2(𝑎𝑞)+𝐼2(𝑎𝑞) 𝐸𝑐𝑒𝑙𝑙 ⊖ =0.24 𝑉 at 298 K. The standard Gibbs energy (Δ𝑟 °𝐺⊖) of the cell reaction is:

What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory

The method used to remove temporary hardness of water is:

The manganate and permanganate ions are tetrahedral due to

Among the following, the reaction that proceeds through an electrophilic substitution, is

Which of the following is incorrect statement?

Which mixture of the solutions will lead to the formation of negatively charged colloidal [AgI]I− sol.?

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor M is:

Among the following, the narrow spectrum antibiotic is:

pH of a saturated solution of Ca (𝑂𝐻)2 is 9. The solubility product (𝐾𝑠𝑝) of 𝐶𝑎(𝑂𝐻)2 is:

A hollow metal sphere of radius R is u niformly charged. The electric field due to the sphere at a distance r from the centre x1 v 60° = θ1 x2 v 30° = θ2 V1 V2 h = R m 4 SPACE FOR ROUGH WORK

A force 𝐹=20+10𝑦 acts on a particle in y- direction where F is in newton and y in meter. Work done by this force to move the particle from 𝑦=0 to 𝑦=1 𝑚 is:

Which colour of the light has the longest wavelength?

A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the center of the earth?

A small hole of area of cross -section 2𝑚𝑚2 is present near the bottom of a fully filled open tank of height 2 m. Taking 𝑔=10 𝑚/𝑠2, the rate of flow of water through the open hole would be nearly:

A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop it?

In an ex periment the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. Then the maximum percentage of error in the measurement X, where X = 𝐴2𝐵1/2 𝐶1/3𝐷3 will be:

The unit of thermal conductivity is :

The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth is:

In which of the following process heat is neither absorbed nor released by a system?

Which of the following acts as a circuit protection device?

A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is ( 𝑎𝐶𝑢= 1.7 × 10—5 𝐾—1 and 𝑎𝐴𝑙= 2.2 × 10—5 𝐾—1)

A parallel plate capacitor of capacitance 20 μF is being charged by a voltage source whose potential is changing at the rate of 3 V/s. The conduction current through the connecting wires, and the displacement current through the plates of the capacitor, would be, respectively:

α- particle consists of:

A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1m. The coefficient of friction between the b lock and the inner wall of the cylinder is 0.1. The minimum angular velocity needed for the cylinder to keep the block stationary whose the cylinder is vertical and rotating about its axis, will be (g = 10 m/s2)

Increase in temperature of a gas filled in a container would lead to :

A 800 turns rod of effective area 0.05 m 2 is kept perpendicular to a magnetic field 5 × 10−5 T. When the plane of the coil is rotated at 90° around any of its coplanar axis is 0.1 s. The emf induced in the coil will be:

In total internal reflection, when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be the angle of refraction?

An electron is accelerated through a potential difference of 10,000 V. Its de Broglie wavelength is, (nearly) : (me = 9 × 10−31 Kg)

A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field. B with the distance d from the centre of the conductor, is correctly represented by figure.

Pick the wrong answer in the context with rainbow,

The total energy of an electron in an atom in an orbit is – 3.4 eV. Its kinetic and potential energies are, respectively :

For p-type semiconductor, which of the following statements is true?

In which of the following device the eddy current effect is not used?

When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (𝐿+𝑙). The elastic potential energy stored in the extended wire is:

In the circuits shown below, the readings of the voltmeters and the ammeters will be:

Body A of mass 4 m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is:

A particle moving with velocity 𝑣⃗ is acted by three force shown by the vector triangle PQR. The velocity of the particle will :

A solid cylinder of mass 2 kg and radius 4 cm is rotating about its axis at the rate of 3 rpm. The torque required to stop after 2π revolution is:

Two particles A and B are moving in uniform circular motion in concentric circles of radii r A and r B with equal speed v A and v B respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be :

Ionized hydrogen atoms and α-particles with same momenta enters perpendicular to a constant magnetic field B. the ratio of their radii of their paths rH : rα will be

A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:

At a point A on the earth’s surface the angle of dip, 𝛿=+25°. At a point B on the earth’s surface the angle of dip, 𝛿= −25°. We can interpret that:

Average velocity of a particle executing SHM in one simple vibration is :