NEET 2020 Phase 1 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a 2. A short electric dipole has a dipole moment of 16 $$ \times $$ 10-9 Cm. The electric potential due to the dipole at a po 3. A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges n 4. A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the rad 5. For which one of the following, Bohr model is not valid? 6. A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capi 7. A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale.The pitch of the screw gauge i 8. An iron rod of susceptibility 599 is subjected to a magnetizing field of 1200 A m-1. The permeability of the material of 9. The phase difference between displacement and acceleration of a particle in a simple harmonic motion is : 10. The energy equivalent of 0.5 g of a substance is : 11. A resistance wire connected in the left gap of a metre bridge balances a 10 $$\Omega $$ resistance in the right gap at 12. The average thermal energy for a mono-atomic gas is : (kB is Boltzmann constant and T absolute temperature) 13. The ratio of contributions made by the electric field and magnetic field components to the intensity of and electromagne 14. A ball is thrown vertically downward with a velocity of 20 m/s from the top of a tower. It hits the ground after some ti 15. A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the centre of the sol 16. Taking into account of the significant figures, what is the value of $$9.99 m - 0.0099m$$? 17. Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoele 18. The color code of a resistance is given below : The values of resistance and tolerance, respectively, are 19. Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligi 20. The mean free path for a gas, with molecular diameter d and number density n can be expressed as : 21. A cylinder contains hydrogen gas at pressure 249 kPa and temperature 27$$^\circ $$CIts density is : (R = 8.3 J mol-1 K-1 22. A charged particle having drift velocity 7.5$$ \times $$10-4 ms-1 in an electric field of 3$$ \times $$10-10 Vm-1 has a 23. Dimensions of stress are : 24. A wire of length L, are of cross section A is hanging from a fixed support. The length of the wire changed to L1 when ma 25. In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. Whe 26. Two bodies of mass 4 kg and 6 kg are tied to the ends of a massless string. The string passes over a pulley which is fri 27. The capacitance of a parallel plate capacitor with air as medium is 6$$\mu $$F. With the introduction of a dielectric me 28. In Young's double slit experiment, if the separation between coherent sources is halved and the distance of the screen 29. Light with an average flux of 20 W/cm2 falls on a non-reflecting surface at normal incidence having surface area 20 cm2. 30. Which of the following graph represents the variation of resistivity ($$\rho $$) with temperature (T) for copper? 31. The quantities of heat required to raise the temperature of two solid copper spheres of radii r1 and r2 (r1 = 1.5r2) thr 32. Find the torque about the origin when a force of 3 $$\hat j$$ N acts on a particle whose position vector is 2 $$\hat k$ 33. In a certain region of space with volume 0.2 m3, the electric potential is found to be 5 V throughout. The magnitude of 34. The Brewster's angle ib for an interface should be : 35. The increase in the width of the depletion region in a p-n junction diode is due to : 36. A spherical conductor of radius 10 cm has a charge of 3.2 $$ \times $$ 10-7 C distributed uniformly. That is the magnetu 37. The energy required to break one bond in DNA is 10-20 J. This value in eV is nearly : 38. A 40 $$\mu $$F capacitor is connected to a 200 V. 50 Hz ac supply. The rms value of the current on the circuit is, nearl 39. An electron is accelerated from rest through a potential difference of V volt. If the de-Broglie wavelength of the elect 40. Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard 41. For the logic circuit shown, the truth table is : 42. The solids which have the negative temperature coefficient of resistance are : 43. A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference betw

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

The transverse section of a plant shows following anatomical features :

(i) Large number of scattered vascular bundles surrounded by bundle sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent

Identify the category of plant and its part:

Monocotyledonous root

Dicotyledonous stem

Dicotyledonous root

Monocotyledonous stem

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Cuboidal epithelium with brush border of microvilli is found in

Ducts of salivary gland

Proximal convoluted tubule of nephron

Eustachian tube

Lining of intestine

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Which of the following statements about inclusion bodies is incorrect?

These are involved in ingestion of food particles

They lie free in the cytoplasm

These represent reserve material in cytoplasm

They are not bound by any membrane

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

Peroxisomes

Golgi bodies

Polysomes

Endoplasmic reticulum

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