Official NEET UG 2010 (C1)

Which one of the following pairs of structures is correctly matched with their correct description?

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with

Components:
(i) Cristae of mitochondria
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are :

Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the

Which one of the following statements about the particular entity is true?

Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character

Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?

The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (1–4) the components of reaction labelled as A, B, C and D are identified correctly?

Which of the following are used in gene cloning?

When domestic sewage mixes with river water

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements Statements:
(A) Wings of butterfly and birds look alike and are the results of __(i)____, evolution.
(B) Miller showed that \(CH_{4}, H_{2}, NH_{3}\) and ___(i)___, when exposed to electric discharge in a flask resulted in formation of ___(ii)_____.
(C) Vermiform appendix is a ___(i)____ organ and an __(ii)_____ evidence of evolution.
(D) According to Darwin evolution took place due to ___(i)___ and ___(ii)__ of the fittest.

Aestivation of petals in the flower of cotton is correctly shown in1

In which one of the following organisms its excretory organs are correctly stated?

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct?

The most apparent change during the evolutionary history of Homo sapiens is traced in

Which one of the following is now being commercially produced by biotechnological procedures?

The correct floral formula of soybean is

If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?

Which one of the following is most appropriately defined?

Read the following four statements, A, B, C and D and select the right option having both correct statements.
STATEMENTS:

(A) Z scheme of light reaction takes place in presence of PSI only.
(B) Only PS I is functional in cyclic photophosphorylation.
(C) Cyclic photophosphorylation results into synthesis of ATP and \(NADPH_{2}\)
(D) Stroma lamellae lack PS II as well as NADP.

A solid cylinder and a hollow cylinder, both of the same mass and same external diameter are released from the same height at the same time on a inclined plane. Both roll down without slipping.Which one will reach the bottom first?

Given below are four statements (a-d) regarding human blood circulatory system
(a) Arteries are thick-walled and have narrow lumen as compared to veins
(b) Angina is acute chest pain when the blood circulation to the brain is reduced
(c) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(d) Calcium ions play a very important role in blood clotting
Which two of the above statements are correct?

Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?

When monochromatic radiation of intensity I falls on a metal surface, the number of photoelectron and their maximum kinetic energy are N and T respectively. If the intensity of radiation is 2I, the number of emitted electrons and their maximum kinetic energy are respectively

The thermo e.m.f. E in volts of a certain thermo-couple is found to vary with temperature difference \(\theta\) in °C between the two junctions according to the relation E=300-\(\frac{\theta^{2}}{15}\) The neutral temperature for the thermo-couple will be

In human female the blastocyst

An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called :

The electric field of an electromagnetic wave in free space is given by
\(\overline{E}\)= 10cos \((({10^7}{t})+{kx})\widehat{j} \frac{V}{m}\), where t and x are in seconds and metres respectively. It can be inferred that
(a) The wavelength \(\lambda\) is 188.4 m
(b) The wave number k is 0.33 rad/m
(c) The wave amplitude is 10 V/m
(d) The wave is propagating along +x direction
Which one of the following pairs of statements is correct?

The haemoglobin content per 100 ml of blood of a normal healthy human adult is

Root development is promoted by

The speed of light in media M1 and M2 is 1.5 × 10\(^8 m/s\) and 2.0 × 10\(^8 m/s\) respectively. A ray of light enters from medium M1 to M2 at an incidence angle i. If the ray suffers total internal reflection, the value of i is

An example of endomycorrhiza is

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors
Statements
(A) A bacterium (B) Plasmid
(C) Plasmodium (D) Bacteriophage
Options :

One of the commonly used plant growth hormone is tea plantations is

Which one of the following can not be used for preparation of vaccines against plague?

Jaundice is a disorder of

The fruit fly Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because :

Kranz anatomy is one of the characteristics of the leaves of

The lac operon consists of

In Antirrhinum two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by RR, and white by rr genes.

Crocodile and penguin are similar to Whale and Dogfish in which one of the following features?

Transport of food material in higher plants takes place through

Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms
(a) Methanogens are Archaebacteria which produce methane in marshy areas
(b) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen
(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
(d) Mycoplasma lack a cell wall and can survive without oxygen

Which one of the following is manoecious?

Which one of the following is the correct description of a certain part of a normal human skeleton?

A cross in which an organism showing a dominant phenotype in crossed with the recessive parent in order to know its genotype is called :

Vegetative propagation is Pistia occurs by

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.

The Indian Rhinoceros is a natural inhabitant of which one of the Indian states?

Which one of the following techniques is safest for the detection of cancers?

Black (stem) rust of wheat is caused by :

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of

Secretions from which one of the following are rich in fructose, calcium and some enzymes?

Select the correct matching of a hormone, its source and function.

A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when?

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the

ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?

The 3\(^{‘}\)-5\(^{‘}\) phosphodiester linkages inside a polynucleotide chain serve to join

A current loop consists of two identical semicircular parts each of radius R, one lying in the x-y plane and the other in x-z plane. If the current in the loop is i. The resultant magnetic field due to the two semicircular parts at their
common centre is

The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given

The logic gate is

Two parallel metal plates having charges +Q and –Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will

The electric field at a distance \(\frac{{3}{R}}{2}\) from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance \(\frac{R}{2}\) from the centre of the sphere is

A student measures the distance traversed in free fall of a body, initially at rest in a given time. He uses this data to estimate g, the acceleration due to gravity. If the maximum percentage errors in measurement of the distance and the time are \(e_{1}\)and\(e_{2}\) respectively, the percentage error in the estimation of g is

A ray of light is incident on a 60\(^{\circ}\) prism at the minimum deviation position. The angle of refraction at the first face (i.e., incident face) of the prism is

For transistor action
(a) Base, emitter and collector regions should have similar size and doping concentrations.
(b) The base region must be very thin and lightly doped.
(c) The emitter-base junction is forward biased and base-collector junction is reverse baised.
(d) Both the emitter-base junction as well as the base collector junction are forward biased.
Which one of the following pairs of statements is correct?

The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M, to transfer it from a circular orbit of radius R1 to another of radius \(R_{2} (R_{2} > R_{1})\) is

The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is

From a circular disc of radius R and mass 9M, a small disc of mass M and radius\(\frac{R}{3}\) is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is

A particle moves in x-y plane according to rule x = a sin\(\omega t\) and y = a cos\(\omega t\). The particle follows

A closely wound solenoid of 2000 turns and area of cross-section 1.5 × 10\(^{–4}m^{2}\) carries a current of 2.0 A. It is suspended through its centre and perpendicular to its length, allowing it to turn in a horizontal plane in a uniform magnetic field 5 × 10\(^{–2}\)tesla making an angle of (30)\(^{\circ}\) with the axis of the solenoid. The torque on the solenoid will be

The decay constant of a radio isotope is\(\lambda\). If A\(_{1}\) and A\(_{2} \)are its activities at times t\(_{1}\) and t\(_{2}\) respectively,the number of nuclei which have decayed during the time (t\(_{1}\) – t\(_{2}\))

A particle having a mass of 10\(^{–2} \)kg carries a charge of 5 × 10\(^{–8}\)C. The particle is given an initial horizontal velocity of 10\(^{5}\) ms\(^{–1}\) in the presence of electric field \(\overline{E}\)and magnetic field \(\overline{B}\) .To keep the particle moving in a horizontal direction, it is necessary that
(a)\(\overline{B}\) should be perpendicular to the direction of velocity and \(\overline{E}\)should be along the direction of velocity
(b) Both \(\overline{B}\)and \(\overline{E}\) should be along the direction of velocity
(c) Both \(\overline{B}\) and \(\overline{E}\) are mutually perpendicular and perpendicular to the direction of velocity
(d) \(\overline{B}\)should be along the direction of velocity and \(\overline{E}\) should be perpendicular to the direction of velocity
Which one of the following pairs of statements is possible?

The binding energy per nucleon in deuterium and helium nuclei are 1.1 MeV and 7.0 MeV, respectively. When two deuterium nuclei fuse to form a helium nucleus the energy released in the fusion is

The electron in the hydrogen atom jumps from excited state (n = 3) to its ground state (n = 1) and the photons thus emitted irradiate a photosensitive material. If the work function of the material is 5.1 eV, the stopping potential is estimated to be (the energy of the electron in n\(^{th}\) state \(E_{n}=-\frac{{13.6}}{n^{2}}eV\))

If \(c_{p}\) and \(c_{v}\) denote the specific heats (per unit mass) of an ideal gas of molecular weight M where R is the molar gas constant

A condenser of capacity C is charged to a potential difference of \(V_{1}\) . The plates of the condenser are then connected to an ideal inductor of inductance L. The current through the inductor when the potential difference across the condenser reduces to \( V_{2}\) is

The dependence of acceleration due to gravity g on the distance r from the centre of the earth, assumed to be a sphere of radius R of uniform density is as shown in figures below

The correct figure is

(a) Centre of gravity (C.G.) of a body is the point at which the weight of the body acts
(b) Centre of mass coincides with the centre of gravity if the earth is assumed to have infinitely large radius
(c) To evaluate the gravitational field intensity due to any body at an external point, the entire mass of the body can be considered to be concentrated at its C.G.
(d) The radius of gyration of any body rotating about an axis is the length of the perpendicular dropped from the C.G. of the body to the axis
Which one of the following pairs of statements is correct?

The magnetic moment of a diamagnetic atom is

Two identical bar magnets are fixed with their centres at a distance d apart. A stationary charge Q is placed at P in between the gap of the two magnets at a distance D from the centre O as shown in the figure

A particle of mass M starting from rest undergoes uniform acceleration. If the speed acquired in time T is V, the power delivered to the particle is

A thin circular ring of mass M and radius r is rotating about its axis with constant angular velocity \(\omega\). Two objects each of mass m are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with angular velocity given by

A monoatomic gas at pressure \(P_{1} and V_{1}\) is compressed adiabatically to \(\frac{1}{8}th\) its original volume. What is the final pressure of the gas?

Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is

The reaction \(2A(g)+B(g) \rightleftharpoons 3C(g)+D(g)\) is begun with the concentrations of A and B both at an initial value of 1.00 M. When equilibrium is reached, the concentration of D is measured and found to be 0.25 M. The value for the equilibrium constant for this reaction is given by the expression

Which of the following expressions correctly represents the equivalent conductance at infinite dilution of \(Al_{2}(SO_{4})_{3}\). Given that \(\wedge^{o}_{Al^{3+}} and \wedge^{o}_{SO^{2-}_{4}}\) are the equivalent conductances at infinite dilution of the respective ions?

The pressure exerted by 6.0 g of methane gas in a \(0.03 m^{3}\) vessel at 129°C is (Atomic masses :\(C = 12.01, H = 1.01 and R = 8.314 JK^{–1} mol^{–1})\)

Match List-I (Equations) with List-II (Type of process) and select the correct option

Among the following four compounds
a. Phenol                         b. Methyl phenol
c. Metanitrophenol       d. Paranitrophenol
The acidity order is

Among the following which one has the highest cation to anion size ratio?

Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

Which of the following species is not electrophilic in nature?

A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be \((h = 6.6 × 10^{–34} Js)\)

Consider the following relations for emf of a electrochemical cell
(a) emf of cell = (Oxidation potential of anode) – (Reduction potential of cathode)
(b) emf of cell = (Oxidation potential of anode) + (Reduction potential of cathode)
(c) emf of cell = (Reductional potential of anode) + (Reduction potential of cathode)
(d) emf of cell = (Oxidation potential of anode) – (Oxidation potential of cathode)
Which of the above relations are correct?

Options:

In which of the following molecules the central atom does not have \(sp^{3}\) hybridization?

For vaporization of water at 1 atmospheric pressure, the values of \(\Delta H\) and \(\Delta S\) are \(40.63 kJ mol^{–1}\) and \(108.8 JK^{–1} mol^{–1}\), respectively. The temperature when Gibbs energy change \((\Delta G)\) for this transformation will be zero, is

Match List-I (substances) with List-II (process)
employed in the manufacture of the substances
and select the correct option
List-I                                     List-II
Substances                          Processes
a. Sulphuric acid                  (i) Haber’s Process
b. Steel                                   (ii) Bessemer’s Process
c. Sodium hydroxide           (iii) Leblanc Process
d. Ammonia                          (iv) Contact Process

When glycerol is treated with excess of HI, it produces

Some statements about heavy water are given below
a. Heavy water is used as a moderator in nuclear reactors
b. Heavy water is more associated than ordinary water
c. Heavy water is more effective solvent than ordinary water
Which of the above statements are correct?

The compound A on heating gives a colourless gas and a residue that is dissolved in water to obtain B. Excess of \(CO_{2}\) is bubbled through aqueous solution of B, C is formed which is recovered in the solid form. Solid C on gentle heating gives back A.The compound is

Match the compounds given in List-I with their characteristic reactions given in List-II. Select the correct option
List-I                                                               List-II
(Compounds)                                              (Reactions)
a. CH3CH2CH2CH2NH2                          (i) Alkaline hydrolysis
b. CH3C?CH                                                 (ii) With KOH (alcohol)
and CHCl3 produces
bad smell

c. CH3CH2COOCH3                                   (iii) Gives white ppt. with
ammoniacal AgNO3
d. CH3CH(OH)CH3                                    (iv) With Lucas reagent
cloudiness appears
after 5 minutes

Which one of the following compounds will be most readily dehydrated?

The rate of the reaction \(2NO + Cl_{2} \rightarrow 2NOCl\) is given by the rate equation rate = \(k[NO]^{2}[Cl_{2}]\) The value of the rate constant can be increased by

Which one of the following complexes is not expected to exhibit isomerism?

Which of the following conformers for ethylene glycol is most stable?

The IUPAC name of the compound \(CH_{3}CH=CHC≡CH is\)

Which of the following oxidation states is the most common among the lanthanoids?

How many bridging oxygen atoms are present in \(P_{4}O_{10}?\)

Some of the properties of the two species, \(NO_{3}^{-}\) and \(H_{3}O^{+}\) are described below. Which one of them is correct?

The following two reactions are known : \(Fe_{2}O_{3}(s) + 3CO(g) \rightarrow 2Fe(s) + 3CO_{2}(g);\)
\(\Delta H = – 26.8 kJ\)
\(FeO(s) + CO(g) \rightarrow Fe(s) + CO_{2}(g);\)
\(\Delta H = – 16.5 kJ\)
The value of \(\Delta H\) for the following reaction \(Fe_{2}O_{3}(s) + CO(g) \rightarrow 2FeO(s) + CO_{2}(g) is\)

Following compounds are given

a. \(CH_{3}CH_{2}OH\)

b. \(CH_{3}COCH_{3}\)

d. \(CH_{3}OH\)

Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?

Fructose reduces Tollen’s reagent due to

In the following reaction

the product ‘X’ is

Study the pathway given below :

In which of the following options correct words for all the three blanks A, B and C are indicated?

Examine the figures (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C and D are identified correctly
Structures :

Consider the following four statements A, B, C and D and select the right option for two correct statements.
Statements
(A) In vexillary aestivation, the large posterior petal is called – standard, two lateral ones are wings and two small anterior petals are termed keel

(B) The floral formula for Liliaceae is

(C) In pea flower the stamens are monadelphous
(D) The floral formula for Solanaceae is

The correct statements are

Given below is the diagram of a bacteriophage. In which one of the options all the four parts A, B, C and D are correct?

Select the answer with correct matching of the structure, its location and function

Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified?

Which of the following representations shows the pyramid of numbers in a forest ecosystem?