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NEET 2018

Exam Held on Sun May 06 2018 10:00:00 GMT+0000 (Coordinated Universal Time)
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Biology

Match the items given in column I with those in column II and select the correct...
Which among the following is not a prokaryote?
Select the wrong statement.
Oxygen is not produced during photosynthesis by
After karyogamy followed by meiosis, spores are produced exogenously in
Ciliates differ from all other protozoans in
Which one is wrongly matched?
Which of the following organisms are known as chief producers in the oceans?
Which of the following statements is correct?
Which of the following animals does not undergo metamorphosis?
Identify the vertebrate group of animals characterised by crop and gizzard in it...
Which one of these animals is not a homeotherm?
Sweet potato is a modified
Stomata in grass leaf are
Secondary xylem and phloem in dicot stem are produced by
Casparian strips occur in
Plants having little or no secondary growth are
The Golgi complex participates in
Which of the following is true for nucleolus?
Which of the following features is used to identify a male cockroach from a fema...
Which of the following events does not occur in rough endoplasmic reticulum?
Select the incorrect match.
The two functional groups characteristic of sugars are
The stage during which separation of the paired homologous chromosomes begins is...
Which of the following elements is responsible for maintaining turgor in cells?
Stomatal movement is not affected by
In which of the following forms is iron absorbed by plants?
Which of the following terms describe human dentition?
Which of the following is not a product of light reaction of photosynthesis?
Which of these statements is incorrect?
Match the items given in column I with those in column II and select the correct...
Match the items given in column I with those in column II and select the correct...
Which of the following is an occupational respiratory disorder?
Match the items given in column I with those in column II and select the correct...
Match the items given in column I with those in column II and select the correct...
Match the items given in column I with those in column II and select the correct...
What is the role of NAD<sup>+</sup> in cellular respiration?
Which of the following gastric cells indirectly help in erythropoiesis?
Which of the following options correctly represents the lung conditions in asthm...
Nissl’s bodies are mainly composed of
Calcium is important in skeletal muscle contraction because it
Which of the following structures or regions is incorrectly paired with its func...
The transparent lens in the human eye is held in its place by
Which of the following hormones can play a significant role in osteoporosis?
Which of the following is an amino acid derived hormone?
Offsets are produced by
Which of the following flowers only once in its lifetime?
Hormones secreted by the placenta to maintain pregnancy are
Which of the following has proved helpful in preserving pollen as fossils?
The amnion of mammalian embryo is derived from
The difference between spermiogenesis and spermiation is
Winged pollen grains are present in
Double fertilization is
Match the items given in column I with those in column II and select the correct...
The contraceptive ‘Saheli’
Which of the following characteristics represent 'Inheritance of blood groups' i...
Which of the following pairs is wrongly matched?
Select the correct match :
A woman has an X-linked condition on one of her X chromosomes. This chromosome c...
The experimental proof for semi-conservative replication of DNA was first shown ...
Select the correct statement :
Select the correct match :
Many ribosomes may associate with a single mRNA to form multiple copies of a pol...
All of the following are part of an operon except
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the cor...
Among the following sets of examples for divergent evolution, select the incorre...
The similarity of bone structure in the forelimbs of many vertebrates is an exam...
According to Hugo de Vries, the mechanism of evolution is
Which part of poppy plant is used to obtain the drug “smack”?
Conversion of milk to curd improves its nutritional value by increasing the amou...
Which of the following is not an autoimmune disease?
In which disease does mosquito transmitted pathogen cause chronic inflammation o...
Which of the following is commonly used as a vector for introducing a DNA fragme...
Which one of the following population interactions is widely used in medical sci...
The correct order of steps in Polymerase Chain Reaction (PCR) is
Pneumatophores occur in
Use of bioresources by multinational companies and organisations without authori...
Niche is
In India, the organisation responsible for assessing the safety of introducing g...
A 'new' variety of rice was patented by a foreign company, though such varieties...
Natality refers to
Which one of the following plants shows a very close relationship with a species...
All of the following are included in ‘ex-situ conservation’ except
Pollen grains can be stored for several years in liquid nitrogen having a temper...
In a growing population of a country,
What type of ecological pyramid would be obtained with the following data? <br>S...
World Ozone Day is celebrated on
In stratosphere, which of the following elements acts as a catalyst in degradati...
Which of the following is a secondary pollutant?
Match the items given in column I with those in column II and select the correct...

Chemistry

A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H<sub...
In which case is number of molecules of water maximum?
Which one is a wrong statement?
The correct order of atomic radii in group 13 elements is
Which of the following oxides is most acidic in nature?
Consider the following species : CN<sup>+</sup> , CN<sup>–</sup> , NO and CN. Wh...
The correction factor ‘a’ to the ideal gas equation corresponds to
The bond dissociation energies of X<sub>2</sub> , Y<sub>2</sub> and XY are in t...
Given van der Waals’ constant for NH<sub>3</sub> , H<sub>2</sub>, O<sub>2</sub> ...
In the structure of ClF<sub>3</sub> , the number of lone pairs of electrons on c...
The solubility of BaSO<sub>4</sub> in water is 2.42 × 10<sup>–3</sup> g L<sup>–...
Following solutions were prepared by mixing different volumes of NaOH and HCl of...
Which one of the following conditions will favour maximum formation of the produ...
For the redox reaction, <br>MnO<sub>4</sub><sup>–</sup> + C<sub>2</sub>O<sub>4<...
Consider the change in oxidation state of bromine corresponding to different emf...
The correct order of N-compounds in its decreasing order of oxidation states is
Among CaH<sub>2</sub> , BeH<sub>2</sub> , BaH<sub>2</sub> , the order of ionic c...
Which of the following is correct with respect to – I effect of the substituents...
Which one of the following elements is unable to form MF<sub>6</sub><sup>3–</sup...
Magnesium reacts with an element (X) to form an ionic compound. If the ground st...
Which of the following molecules represents the order of hybridisation sp<sup>2<...
Which of the following carbocations is expected to be most stable?
Which oxide of nitrogen is not a common pollutant introduced into the atmosphere...
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide whi...
Iron exhibits bcc structure at room temperature. Above 900°C, it transforms to f...
The correct difference between first and second order reactions is that
On which of the following properties does the coagulating power of an ion depend...
Considering Ellingham diagram, which of the following metals can be used to redu...
When initial concentration of the reactant is doubled, the half-life period of a...
Which of the following statements is not true for halogens?
Which one of the following ions exhibits d-d transition and paramagnetism as wel...
Match the metal ions given in Column I with the spin magnetic moments of the ion...
The type of isomerism shown by the complex [CoCl<sub>2</sub>(en)<sub>2</sub>] is...
The geometry and magnetic behaviour of the complex [Ni(CO)<sub>4</sub>] are
The compound A on treatment with Na gives B, and with PCl<sub>5</sub> gives C. ...
Iron carbonyl, Fe(CO)<sub>5</sub> is
In the reaction, <picture><source media="(max-width: 320px)" srcset="https://nee...
Compound A, C<sub>8</sub>H<sub>10</sub>O, is found to react with NaOI (produced ...
The compound C<sub>7</sub>H<sub>8</sub> undergoes the following reactions : <pi...
Identify the major products P, Q and R in the following sequence of reactions : ...
Carboxylic acids have higher boiling points than aldehydes, ketones and even alc...
Nitration of aniline in strong acidic medium also gives m-nitroaniline because
The difference between amylose and amylopectin is
Which of the following compounds can form a zwitter ion?
Regarding cross-linked or network polymers, which of the following statements is...

Physics

A student measured the diameter of a small steel ball using a screw gauge of lea...
Which one of the following statements is incorrect?
A moving block having mass m, collides with another stationary block having mass...
A block of mass m is placed on a smooth inclined wedge ABC of inclination q as s...
A body initially at rest and sliding along a frictionless track from a height h ...
A solid sphere is in rolling motion. In rolling motion a body possesses translat...
A solid sphere is rotating freely about its symmetry axis in free space. The rad...
The power radiated by a black body is P and it radiates maximum energy at wavele...
Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circu...
The kinetic energies of a planet in an elliptical orbit about the Sun, at positi...
Two wires are made of the same material and have the same volume. The first wire...
The efficiency of an ideal heat engine working between the freezing point and bo...
The moment of the force, $$\overrightarrow F = 4\widehat i + 5\widehat j - 6\wi... A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 10<sup>5</sup> ... The volume (V) of a monatomic gas varies with its temperature (T), as shown in t... A small sphere of radius ‘r’ falls from rest in a viscous liquid. As a result, h... If the mass of the Sun were ten times smaller and the universal gravitational co... The fundamental frequency in an open organ pipe is equal to the third harmonic o... A tuning fork is used to produce resonance in a glass tube. The length of the ai... A pendulum is hung from the roof of a sufficiently high building and is moving f... The electrostatic force between the metal plates of an isolated parallel plate c... An electron falls from rest through a vertical distance h in a uniform and verti... At what temperature will the rms speed of oxygen molecules become just sufficien... A carbon resistor of (47$$ \pm $$4.7) k$$\Omega $$is to be marked with rings ... A battery consists of a variable number n of identical cells (having internal re... A set of n equal resistors, of value R each, are connected in series to a batter... A toy car with charge q moves on a frictionless horizontal plane surface under t... A metallic rod of mass per unit length 0.5 kg m<sup>–1</sup> is lying horizontal... A thin diamagnetic rod is placed vertically between the poles of an electromagne... The magnetic potential energy stored in a certain inductor is 25 mJ, when the cu... Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage se... An inductor 20 mH, a capacitor 100$$\mu $$F and a resistor 50$$\Omega $$are c... The refractive index of the material of a prism is$$\sqrt 2 $$and the angle of... An EM wave is propagating in a medium with a velocity$$\overrightarrow v = v\w...
An object is placed at a distance of 40 cm from a concave mirror of focal length...
In Young’s double slit experiment the separation d between the slits is 2 mm, th...
Unpolarised light is incident from air on a plane surface of a material of refra...
An astronomical refracting telescope will have large angular magnification and h...
An electron of mass m with an initial velocity $$\overrightarrow v = {v_0}\wide... When the light of frequency 2$${\upsilon _0}$$(where$${\upsilon _0} is thr...
In the circuit shown in the figure, the input voltage V<sub>i</sub> is 20 V, V<...
For a radioactive material, half-life is 10 minutes. If initially there are 600 ...
In the combination of the following gates the output Y can be written in terms o...
The ratio of kinetic energy to the total energy of an electron in a Bohr orbit o...
In a p-n junction diode, change in temperature due to heating

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