Biology
1. Lecithin, a small molecular weight organic compound found in living tissues, is an example of:2. How many molecules of ATP and NADPH are required for every molecule of $$\mathrm{CO}_2$$ fixed in the Calvin cycle?3. Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:4. In the given figure, which component has thin outer walls and highly thickened inner walls?
5. The cofactor of the enzyme carboxypeptidase is:6. The capacity to generate a whole plant from any cell of the plant is called:7. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli8. Given below are two statements:
Statement I : Bt toxins are insect group specific and coded by a gene cry IAc.
Statement9. Which of the following is an example of actinomorphic flower?10. The type of conservation in which the threatened species are taken out from their natural habitat and placed in special 11. Identify the set of correct statements:
A. The flowers of Vallisneria are colourful and produce nectar.
B. The flowers o12. The lactose present in the growth medium of bacteria is transported to the cell by the action of13. Match List I with List II
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.tg td{border-color:black;border-style:soli14. The equation of Verhulst-Pearl logistic growth is $$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left[\frac{\mathrm{K}-\m15. Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin16. Identify the part of the seed from the given figure which is destined to form root when the seed germinates.
17. Given below are two statements:
Statement I : Parenchyma is living but collenchyma is dead tissue.
Statement II : Gymnos18. These are regarded as major causes of biodiversity loss:
A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat lo19. Which one of the following is not a criterion for classification of fungi?20. Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the g21. List of endangered species was released by22. What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism?
A. The pi23. Which one of the following can be explained on the basis of Mendel's Law of Dominance?
A. Out of one pair of factors one24. Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:25. Formation of interfascicular cambium from fully developed parenchyma cells is an example for26. Spindle fibers attach to kinetochores of chromosomes during27. Tropical regions show greatest level of species richness because
A. Tropical latitudes have remained relatively undistur28. Given below are two statements:
Statement I : Chromosomes become gradually visible under light microscope during leptote29. Match List I with List II
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.tg td{border-color:black;border-style:soli30. Bulliform cells are responsible for31. A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expec32. A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and 33. In a plant, black seed color $$(\mathrm{BB} / \mathrm{Bb})$$ is dominant over white seed color $$(\mathrm{bb})$$. In ord34. Which of the following are required for the dark reaction of photosynthesis?
A. Light
B. Chlorophyll
C. $$\mathrm{CO}_2$35. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli36. The DNA present in chloroplast is:37. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli38. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli39. Which of the following statement is correct regarding the process of replication in E.coli?
40. Identify the correct description about the given figure :
41. Match List I with List II
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.tg td{border-color:black;border-style:soli42. Read the following statements and choose the set of correct statements:
In the members of Phaeophyceae,
A. Asexual repro43. In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is $$100 x\left(\mathrm{kcal} \mathrm{~m}^{44. Match List I with List II
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.tg td{border-color:black;border-style:soli45. Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate.46. Given below are two statements:
Statement I: In $$\mathrm{C}_3$$ plants, some $$\mathrm{O}_2$$ binds to $$\mathrm{RuBisC47. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli48. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli49. Which of the following are fused in somatic hybridization involving two varieties of plants?50. Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increas51. Following are the stages of pathway for conduction of an action potential through the heart
A. AV bundle
B. Purkinje fib52. In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on53. The flippers of the Penguins and Dolphins are the example of the54. Which of the following is not a component of Fallopian tube?55. Given below are some stages of human evolution.
Arrange them in correct sequence. (Past to Recent)
A. Homo habilis
B. Ho56. Which of the following is not a steroid hormone?57. Match List I with List II
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.tg td{border-color:black;border-style:soli58. Following are the stages of cell division :
A. Gap 2 phase
B. Cytokinesis
C. Synthesis phase
D. Karyokinesis
E. Gap 1 ph59. Which one of the following factors will not affect the Hardy-Weinberg equilibrium?60. Which of the following are Autoimmune disorders?
A. Myasthenia gravis
B. Rheumatoid arthritis
C. Gout
D. Muscular dystro61. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol62. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol63. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so64. Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : FS65. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol66. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so67. The "Ti plasmid" of Agrobacterium tumefaciens stands for68. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol69. Which one is the correct product of DNA dependent RNA polymerase to the given template?
3'TACATGGCAAATATCCATTCA5'70. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol71. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol72. Which of the following is not a natural/traditional contraceptive method?73. Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human bo74. Which of the following statements is incorrect?75. Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A : Brea76. Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?77. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so78. Consider the following statements :
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminthes 79. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli80. Given below are two statements :
Statement I : In the nephron, the descending limb of loop of Henle is impermeable to wa81. The following diagram showing restriction sites in E. coli cloning vector pBR322. Find the role of ‘X’ and ‘Y’ genes :
82. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so83. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so84. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so85. Given below are two statements:
Statement I: The presence or absence of hymen is not a reliable indicator of virginity.
86. Given below are two statements:
Statement I: Gause's competitive exclusion principle states that two closely related spe87. Match List I with List II related to digestive system of cockroach.
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.88. The following are the statements about non-chordates:
A. Pharynx is perforated by gill slits.
B. Notochord is absent.
C.89. Choose the correct statement given below regarding juxta medullary nephron.90. Given below are two statements:
Statement I: The cerebral hemispheres are connected by nerve tract known as corpus callo91. Given below are two statements :
Statement I : Bone marrow is the main lymphoid organ where all blood cells including ly92. Regarding catalytic cycle of an enzyme action, select the correct sequential steps :
A. Substrate enzyme complex formati93. Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.
94. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol95. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol96. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol97. As per ABO blood grouping system, the blood group of father is $$\mathrm{B}^{+}$$, mother is $$\mathrm{A}^{+}$$ and chil98. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so99. Given below are two statements:
Statement I: Mitochondria and chloroplasts both double membranes bound organelles.
State100. Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:so
Chemistry
1. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol2. The Henry's law constant $$(\mathrm{K}_{\mathrm{H}})$$ values of three gases $$(\mathrm{A}, \mathrm{B}, \mathrm{C})$$ in3. Given below are two statements:
Statement I: The boiling point of hydrides of Group 16 elements follow the order
$$\math4. Intramolecular hydrogen bonding is present in
5. Given below are two statements:
Statement I : The boiling point of three isomeric pentanes follows the order
n-pentane >6. The compound that will undergo SN1 reaction with the fastest rate is7. Which one of the following alcohols reacts instantaneously with Lucas reagent?8. 1 gram of sodium hydroxide was treated with $$25 \mathrm{~mL}$$ of $$0.75 \mathrm{~M} \mathrm{~HCl}$$ solution, the mass9. Arrange the following elements in increasing order of first ionization enthalpy:
$$\mathrm{Li}, \mathrm{Be}, \mathrm{B},10. The most stable carbocation among the following is :11. Activation energy of any chemical reaction can be calculated if one knows the value of12. Given below are two statements:
Statement I : Aniline does not undergo Friedel-Crafts alkylation reaction.
Statement II 13. Arrange the following elements in increasing order of electronegativity:
N, O, F, C, Si
Choose the correct answer from t14. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol15. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol16. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol17. Which plot of $$\ln \mathrm{k}$$ vs $$\frac{1}{\mathrm{~T}}$$ is consistent with Arrhenius equation?18. The energy of an electron in the ground state $$\mathrm{(n=1)}$$ for $$\mathrm{He}^{+}$$ ion is $$\mathrm{-x} \mathrm{~J19. In which of the following processes entropy increases?
A. A liquid evaporates to vapour.
B. Temperature of a crystalline20. Which reaction is NOT a redox reaction?21. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol22. 'Spin only' magnetic moment is same for which of the following ions?
A. $$\mathrm{Ti}^{3+}$$
B. $$\mathrm{Cr}^{2+}$$
C. 23. The highest number of helium atoms is in24. Among Group 16 elements, which one does NOT show -2 oxidation state?25. The $$\mathrm{E}^{\circ}$$ value for the $$\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}$$ couple is more positive than that of $$26. The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schif27. Identify the correct reagents that would bring about the following transformation.
28. In which of the following equilibria, $$\mathrm{K}_p$$ and $$\mathrm{K}_{\mathrm{c}}$$ are NOT equal?29. A compound with a molecular formula of $$\mathrm{C}_6 \mathrm{H}_{14}$$ has two tertiary carbons. Its IUPAC name is :30. Fehling's solution 'A' is31. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol32. Given below are two statements :
Statement I: Both $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ and $$[\mathrm{CoF}_6]^{3-}$$33. On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique 34. Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol35. For the reaction $$2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{c}}=4 \times 10^{-3}$$. A36. The pair of lanthanoid ions which are diamagnetic is37. Given below are two statements :
Statement I : $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is a homoleptic complex whereas $38. Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution fo39. For the given reaction:
'P' is40. The products $$\mathrm{A}$$ and $$\mathrm{B}$$ obtained in the following reactions, respectively, are
$$\begin{aligned}
41. The rate of a reaction quadruples when temperature changes from $$27^{\circ} \mathrm{C}$$ to $$57^{\circ} \mathrm{C}$$. 42. During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prev43. Major products A and B formed in the following reaction sequence, are
44. The plot of osmotic pressure (П) vs concentration $$(\mathrm{mol} \mathrm{~L}^{-1})$$ for a solution gives a straight li45. Identify the correct answer.46. Identify the major product C formed in the following reaction sequence :
$$
\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\m47. Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to48. The work done during reversible isothermal expansion of one mole of hydrogen gas at $$25^{\circ} \mathrm{C}$$ from press49. Consider the following reaction in a sealed vessel at equilibrium with concentrations of $$\mathrm{N}_2=3.0 \times 10^{-50. A compound X contains $$32 \%$$ of A, $$20 \%$$ of B and remaining percentage of C. Then, the empirical formula of $$\ma
Physics
1. In a vernier callipers, $$(N+1)$$ divisions of vernier scale coincide with $$N$$ divisions of main scale. If $$1 \mathrm2. If the monochromatic source in Young's double slit experiment is replaced by white light, then3. A logic circuit provides the output $$Y$$ as per the following truth table :
The expression of the output Y is :4. The terminal voltage of the battery, whose emf is $$10 \mathrm{~V}$$ and internal resistance $$1 \Omega$$, when connecte5. In a uniform magnetic field of $$0.049 \mathrm{~T}$$, a magnetic needle performs 20 complete oscillations in 5 seconds a6. A wire of length '$$l$$' and resistance $$100 \Omega$$ is divided into 10 equal parts. The first 5 parts are connected i7. A horizontal force $$10 \mathrm{~N}$$ is applied to a block $$A$$ as shown in figure. The mass of blocks $$A$$ and $$B$$8. A tightly wound 100 turns coil of radius $$10 \mathrm{~cm}$$ carries a current of $$7 \mathrm{~A}$$. The magnitude of th9. In an ideal transformer, the turns ratio is $$\frac{N_P}{N_S}=\frac{1}{2}$$. The ratio $$V_S: V_P$$ is equal to (the sym10. The graph which shows the variation of $$\left(\frac{1}{\lambda^2}\right)$$ and its kinetic energy, $$E$$ is (where $$\l11. Given below are two statements:
Statement I: Atoms are electrically neutral as they contain equal number of positive and12. A bob is whirled in a horizontal plane by means of a string with an initial speed of $$\omega \mathrm{~rpm}$$. The tensi13. Consider the following statements A and B and identify the correct answer :
A. For a solar-cell, the I-V characteristic14. A thermodynamic system is taken through the cycle $$abcda$$. The work done by the gas along the path $$b c$$ is:
15. A thin spherical shell is charged by some source. The potential difference between the two points $$C$$ and $$P$$ (in V)16. The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is $$2400 \17. A particle moving with uniform speed in a circular path maintains:18. If $$c$$ is the velocity of light in free space, the correct statements about photon among the following are:
A. The ene19. At any instant of time $$t$$, the displacement of any particle is given by $$2 t-1$$ ($$\mathrm{SI}$$ unit) under the in20. A light ray enters through a right angled prism at point $$P$$ with the angle of incidence $$30^{\circ}$$ as shown in fi21. In the following circuit, the equivalent capacitance between terminal A and terminal B is :
22. The quantities which have the same dimensions as those of solid angle are:23. The maximum elongation of a steel wire of $$1 \mathrm{~m}$$ length if the elastic limit of steel and its Young's modulus24.
In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced curren25. The mass of a planet is $$\frac{1}{10}$$th that of the earth and its diameter is half that of the earth. The acceleratio26. Match List I with List II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:sol27. An unpolarised light beam strikes a glass surface at Brewster's angle. Then28. Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:soli29. Two bodies $$A$$ and $$B$$ of same mass undergo completely inelastic one dimensional collision. The body $$A$$ moves wit30. $$
{ }_{82}^{290} X \xrightarrow{\alpha} Y \xrightarrow{e^{+}} Z \xrightarrow{\beta^{-}} P \xrightarrow{e^{-}} Q
$$
In t31. If $$x=5 \sin \left(\pi t+\frac{\pi}{3}\right) \mathrm{m}$$ represents the motion of a particle executing simple harmoni32. A thin flat circular disc of radius $$4.5 \mathrm{~cm}$$ is placed gently over the surface of water. If surface tension 33. $$
\text { The output ( } Y \text { ) of the given logic gate is similar to the output of an/a }
$$
34. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The p35. A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is $$v$$ in the d36. A parallel plate capacitor is charged by connecting it to a battery through a resistor. If $$I$$ is the current in the c37. The property which is not of an electromagnetic wave travelling in free space is that:38. A small telescope has an objective of focal length $$140 \mathrm{~cm}$$ and an eye piece of focal length $$5.0 \mathrm{~39. Two heaters $$A$$ and $$B$$ have power rating of $$1 \mathrm{~kW}$$ and $$2 \mathrm{~kW}$$, respectively. Those two are 40. The following graph represents the $$T$$-$$V$$ curves of an ideal gas (where $$T$$ is the temperature and $$V$$ the volu41. The velocity $$(v)-$$ time $$(t)$$ plot of the motion of a body is shown below:
The acceleration $$(a)-$$ time $$(t)$$ 42. Choose the correct circuit which can achieve the bridge balance.43. If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its ori44. The minimum energy required to launch a satellite of mass $$m$$ from the surface of earth of mass $$M$$ and radius $$R$$45. A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to:
A. hold the sheet th46. A $$10 \mu \mathrm{F}$$ capacitor is connected to a $$210 \mathrm{~V}, 50 \mathrm{~Hz}$$ source as shown in figure. The 47. A metallic bar of Young's modulus, $$0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}$$ and coefficient of linear thermal48. An iron bar of length $$L$$ has magnetic moment $$M$$. It is bent at the middle of its length such that the two arms mak49. If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then
A. the charge sto50. A force defined by $$F=\alpha t^2+\beta t$$ acts on a particle at a given time $$t$$. The factor which is dimensionless,
1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
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:
A
A, B and E only
B
A, C and E only
C
B, D and E only
D
A, B and C only
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
A force defined by $$F=\alpha t^2+\beta t$$ acts on a particle at a given time $$t$$. The factor which is dimensionless, if $$\alpha$$ and $$\beta$$ are constants, is:
A
$$\beta t / \alpha$$
B
$$\alpha t / \beta$$
C
$$\alpha \beta t$$
D
$$\alpha \beta / t$$
Paper analysis
Total Questions
Biology
100
Chemistry
50
Physics
50
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