E2IIPart Test 2 For NEET 2023

1.Which is the correct statement about thecodont?

2.In human dental formula is represented as

2123/2123

Which is the correct order of teeth?

3.Papillae refers to

4.The oesophagus and trachea open into

5.Which one of the following statements is Incorrect?

I.  The stomach is located in the upper left portion of the abdominal cavity

II.  The highly coiled region of intestine is jejunum

III.  Caecum hosts many symbiotic micro-organisms

IV.  Vermiform appendix arise from the colon

6.Identify the types of teeth in the given diagram

1. P) 1 a) Canine
2. Q) 2 b) Molar
3. c) Premolar
4. d) Incisor

7.____________opens into rectum

8.The four layers namely serosa, muscularis, sub-mucosa and mucosa is distributed in

9.The Sub-mucosal layer is formed of?

10.The nerve, blood and lymph vessels containing layer of alimentary system is?

11.The irregular folds of the stomach form from the _____________ layer

12.Goblet cells form from _________and secrete __________

13.The crypts of Lieberkuhn arise from

14.Parotid glands are situated

15.Human liver weigh between

16.Find out the Incorrect statements

17.Identify A, B,C,D in the given diagram

18.The process of digestion is accomplished by

19.The two major function of buccal cavity is

20.The saliva contains enzymes except

21.The chemical process of digestion is initiated in the oral cavity by the _____________ of the carbohydrate splitting enzyme

22.The favourable pH for the following reaction will be

23.Match the column with the cells and its function

Column-I                                     Column-II

P. Neck cells                 a. Intrinsic factor

Q. Oxyntic cells          b. Mucus

R. Chief cells                c. Proenzyme

24.Proteins are converted into two products by the action of pepsin, they are

25.Enterokinase activates the following enzyme(s)

26.Bile released into the duodenum contains all except

27.Which of the following statemnets are Correct?

I.Goblet cells arise from the sub-mucosal layer of the intestine

II. Bicarbonates from the pancreas protects the intestinal mucosa

III. The secretions of the brush border cells of the mucosa along with the secretions of the goblet cells constitute the succus entericus

IV. Peptones are completely hydrolysed proteins among other protein metabolites

28.Study the following reaction and name the enzyme and its secretion site respectively

29.The following reaction takes place in the

30.All statements are true except?

31.Based on quantum mechanical theory, the electronic configuration of Pd(Z = 46) is

32.When a gold sheet is bombarded by a beam of a-particles, only a few of them get deflected whereas most go straight, undeflected. This is because

33.The radius of ₁₃Al²⁷ will be

34.

which following option is correct?

35.

which following option is correct?

36.Calculate the mass of a deuteron, given that the first line in the Lyman series of hydrogen lies at 82259.1 cm^–1 .

37.A 1-W radio transmitter operates at a frequency of 880 Hz. How many photons per second does it emit?

38.The ratio of the e/m values of a proton and an a-particle is

39.Assume that the potential energy of a hydrogen atom in its ground state is zero. Then its energy in the first excited state will be

40.When the electron of a hydrogen atom jumps from the n = 4 to the n = 1 state, the number of spectral lines emitted is

41.For a hydrogen atom, what is the orbital degeneracy of the level that has energy = –hcR_¥/9 , where R_¥ is the Rydberg constant for the hydrogen atom?

42.When the value of the azimuthal quantum number is 3, the maximum and the minimum values of the spin multiplicities are

43.The correct set of quantum numbers for the unpaired electron of a chlorine atom is

44.Which of the following sets of quantum numbers represents the highest energy of an atom?

45. After np orbitals are filled, the next orbital filled will be

46.The value of the magnetic moment of a particular ion is 2.83 Bohr magneton. The ion is

47.The number of spherical nodes in 3p orbitals is

48.The angular distribution functions of all orbitals have

49.Which of the following radial distribution graphs correspond to l = 2 for the H atom?

50.Which of the following statements is incorrect with reference to the Zeeman effect?

51.The wave function for a hydrogen atom with its electron in the 2p state varies with direction as well as distance from the nucleus. What is the probability of a 2p electron, for which m_l = 0, existing on the xy plane?

52.Which of the following is true for Thomson’s model of the atom?

53.Which of the following transitions is not allowed in the normal electronic emission spectrum of an atom?

54.Bohr’s theory is not applicable to

55.The configuration [Ar]3d¹⁰4s²4p² is similar to that of

56.

57.What is the most probable distance from the nucleus at which a 2p electron will be found in the hydrogen atom?

58.The frequency of one of the lines in the Paschen series of a hydrogen atom is 2.34 ´ 10¹⁴ Hz. The quantum number n₂ which causes this transition is

59.

60. The quantum number not obtained from the Schrödinger wave equation is

61.A ball is thrown upward with a certain speed. It passes through the same point at 3 second and 7 second from the start. The maximum height achieved by the ball is

62.For the following acceleration versus time graph the corresponding velocity versus displacement graph is 

63.A particle is moving along the path y = x^2 from x = 0 m to x = 2 m. Then the distance traveled by the particle is:

64.Six particles situated at the corners of a regular hexagon of side ‘a’ move at constant speed v. Each particle maintains a direction towards the particle at the next. The time which the particles will take to meet each other is-

65.The displacement x of a particle moving in one dimension under the action of the constant force is related to time t by the equation t = √x + 3, where x is in meters and t is in seconds. Find the displacement of the particle from t = 0 sec to t = 6 s.

66.The acceleration a (in ms^−2) of a body, starting from rest varies with time t (in s) following the equation a = 3t+4. The velocity of the body at time t = 2s will be :

67. A stone falls freely from rest from a height h and it travels a distance 9h/25 in the last second. The value of h is:

68.Two men P & Q are standing at corners A & B of square ABCD of side 8 m. They start moving along the track with constant speed 2 m/s and 10 m/s respectively. The time when they will meet for the first time, is equal to:

69.A bullet loses 1/20 of its velocity passing through a plank. The least number of planks required to stop the bullet is (All planks offers same retardation)

70. A body starts from the origin and moves along the X-axis such that the velocity at any instant is given by (4t^3−2t), where t is in sec and velocity in m/s. What is the acceleration of the particle, when it is 2 m from the origin?

71.A point moves with uniform acceleration and v₁, v₂ and v₃ denote the average velocities in the three successive intervals of time t₁, t₂ and t₃. Which of the following relations is correct ?

72.A motor car moving with a uniform speed of 20 m/sec comes to stop on the application of brakes after travelling a distance of 10 m Its acceleration is 

73.Which of the following four statements is false?

74.If body having initial velocity zero is moving with uniform acceleration 8 m/sec² , then the distance travelled by it in fifth second will be  

75.The acceleration ‘a’ in m/s² of a particle is given by a=3t^2+2t+2 where t is the time. If the particle starts out with a velocity, u = 2 m/s at t = 0, then the velocity at the end of 2 seconds is:

76. A student is standing at a distance of 50 metres from the bus. As soon as the bus begins its motion with an acceleration of 1 ms^–2, the student starts running towards the bus with a uniform velocity u. Assuming the motion to be along a straight road, the minimum value of u, so that the student is able to catch the bus is:

77.A projectile is given an initial velocity of ˆi+2ˆj. The Cartesian equation of its path is (g = 10 ms^−2) 

78.Time taken by the projectile to reach from A to B is t. Then the distance AB is equal to :

79.The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his stroke w.r.t north is given by:

80.Two particles A and B are moving in a uniform circular motion in concentric circles of radii rA and rB with speeds vA and vB respectively. Their time periods of rotation are the same. The ratio of angular speed of A to that of B will be:

81.Two bullets are fired horizontally and simultaneously towards each other from rooftops of two buildings 100 m apart and of the same height of 200 m, with the same velocity of 25 m/s. When and where will the two bullets collide? (g = 10 m/s2s2)

82..  In the given figure, a = 15m /s² represents the total acceleration of a particle moving in the clockwise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is:

83.A projectile is fired from the surface of the earth with a velocity of 5 m/s and angle θ with the horizontal. Another projectile fired from another planet with a velocity of 3 m/s at the same angle follows a trajectory, which is identical to the trajectory of the projectile fired from the earth. The value of the acceleration due to gravity on the planet (in m/s²) is: [Given, g = 9.8 m/s²]

84.The velocity of a projectile at the initial point A is (2i+3j) m/s. Its velocity (in m/s) at point B is:

85. A particle has initial velocity (2i + 3j) and acceleration (0.3i + 0.2j). The magnitude of velocity after 10s will be

86.Two racing cars of masses m₁ and m₂ are moving in circles of radii r₁ and r₂ respectively. Their speeds are such that each makes a complete circle in the same duration of time t. The ratio of the angular speed of the first to the second car is 

87.A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following

88.An aero plane is flying at a constant horizontal velocity of 600 km/hr at an elevation of 6 km towards a point directly above the target on the earth’s surface. At an appropriate time, the pilot releases a ball so that it strikes the target at the earth. The ball will appear to be falling

89.The range of a particle when launched at an angle of 15° with the horizontal is 1.5 km. What is the range of the projectile when launched at an angle of 45° to the horizontal? 

90.A ball is projected with velocity V₀ at an angle of elevation 30°. Mark the correct statement