E2 IIGrand T est 2 For NEET 2023

1.Two elements X (atomic weight = 75) and Y (atomic weight = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

2.If 0.5 mol of BaCl₂ is mixed with 0.2 mol of Na₃PO₄, then the maximum number of moles of Ba₃(PO₄)₂ that can be formed is:

3.Number of water molecules in the drop of water, if 1 mL of water has 20 drops and N is the Avogadro’s number, is:

4. Mixture X = 0.02 mol of [Co(NH₃)₅ SO₄]Br and 0.02 mol of [Co(NH₃)₅ Br]SO₄ was prepared in 2 L of solution.                                                                                                                                                                      

     1 L of mixture X + excess AgNO_3->Y                                                                                                                                         1 L of mixture X + excess BaCl₂ -> Z                                                                                                                                             Number of moles of Y and Z are:

5.3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is:

6.The specific heat of a metal is 0.16. Its approximate atomic weight would be:

7. 3.92 g of ferrous ammonium sulphate is dissolved in 100 mL of water. 20 mL of this solution requires 18 mL of potassium permanganate during titration for complete oxidation. The weight of KMnO₄ present in one litre of the solution is:

8.50 mL 10 N H₂SO₄, 25 mL 12 N HCl and 40 mL 5 N HNO₃ were mixed together and the volume of the mixture was made l000 mL by adding water. The normality of the resultant solution will be:

9. 10 dm³ of N₂ gas and 10 dm³ of gas X at the same temperature contain the same number of molecules. The gas X is:

10. A 100 mL solution of 0.1 N HCl was titrated with 0.2 N NaOH solution. The titration was discontinued after adding 30 mL of NaOH solution. The remaining titration was completed by adding 0.25 N KOH solution. The volume of KOH required for completing the titration is:

11.Number of g of oxygen in 32.2 g of Na₂SO₄.10H₂O is:

12.In the reaction, I₂ + 2S₂O₃^2- à 2I^– + S₄O₆^2- ;                                                                                                                                  

  Equivalent weight of thiosulphate (S₂O₃^2-) will be equal to:

13.If an iodized salt contains 1% KI and a person takes 2 g of the salt every day, the iodide ions going into his body every day would be approximately:

14.The weight of CO having the same number of oxygen atoms as 88 g CO₂ is:

15.Cortisone contains 21 atoms of carbon per molecule. If the molecular weight of cortisone is 360.4, then what is the percentage of carbon in cortisone?

16.In Moseley’s equation [√ν = a(Z-b)]:

17.Choose the arrangement which shows the increasing value of e/m for e, p, n and α-particle:

18.Four different sets of quantum numbers for 4 electrons are given below:                                                                                            e₁ = 4, 0, 0 -1/2                                                                                                                                                                                    e₂ = 3, 1, 1, -1/2                                                                                                                                                                               e₃ = 3, 2, 2, +1/2                                                                                                                                                                      

 e₄ = 3, 0, 0, +1/2                                                                                                                                                                               

   The order of energy of e₁, e₂, e₃ and e₄ is:

19.The set of quantum number for the 19^th electron of Cr (Z = 24) is:

20. Which of the following options represent the correct graph for photoelectrons?

21. Which of the following are isoelectronic and isostructural?

22.According to Bohr’s theory, the angular momentum of an electron in 5th orbit is:

23. 23.The maximum number of atomic orbitals associated with the principal quantum number 5 is:

24.If the speed of the electron in the first Bohr orbit of hydrogen atom is x, then the speed of electron in the third Bohr orbit of Be²⁺ will be:

25.. Possible number of nodal planes present in the M shell of H-like species are:

26.Threshold frequency of metal is ν₀. When light of frequency 2ν₀ is incident on the metal plate, maximum velocity of electron emitted is v₁, when frequency of incident radiation if 5ν₀, maximum velocity of emitted electron is v₂, then the ratio of v₁/v₂ is:

27. 27.Number of waves in the third Bohr orbit of hydrogen atom will be:

28.The binding energy of an electron in the ground state of the He atom is equal to 24.6 eV. The energy required to remove both the electrons from the atom will be:

29.Suppose 10^-17 J of energy is needed by the interior of human eye to see an object. How many photons of green light (λ = 550 nm) are needed to generate this minimum amount of energy?

30. Photons having energy equivalent to binding energy of 4^th state of He⁺ ion is used on the metal surface of work function 1.4 eV. If electrons are further accelerated through the potential difference of 4V then the minimum value of de Broglie wavelength associated with the electron is:

31.The radii of F, F^–, O and O^2- are in the order of:

32.Which of the following processes involves absorption of energy?                                                                                     

33. Eka-aluminium and Eka-silicon are known as:

34.Which of the following transitions involves maximum amount of energy?

35.The incorrect statement among the following is:

36.The ionic radius of Cr is minimum in which of the following compounds?

37.An element X occurs in short period and group 13 of the period table. The formula and nature of its oxide will be:

38.Which pair of elements is chemically most similar?

39.. What is the position of the element having quantum numbers for the last electron as l = 1, n = 2, s = -1/2, m = -1, in the periodic table?

40.An element of atomic mass 40 has 2, 8, 8, 2 as the electronic configuration. Which one of the following statements is not correct?

41.Two different beakers contain M-O-H and N-O-H solutions separately. Find the nature of the two solutions if the electronegativity of M = 3.4, N = 1.2, O = 3.5 and H = 2.1:

42.The first ionization energy for Li is 5.4 eV and electron affinity of Cl is 3.61 eV. Then ΔH (in kJ mol^-1) for the reaction, Li(g) + Cl(g) à Li⁺(g) + Cl^–(g), if the resulting ions do not combine with each other is:

43.In which of the following pairs both the elements are metalloids?

44.Which of the following order is incorrect?

45.Which of the following statements is/are correct?

I.The noble gases have almost zero ionization energy

II.The stability of +2 oxidation state over +4 state increases down the group 14

III.Across a period from right to left reducing property increases

IV.Bond energy of F₂ is less than that of Cl₂

46.Which of the following is not a unit of time?

47.One astronomical unit is a distance equal to

48.The most precise reading of the mass of an object, among the following is

49.. Which of the following is a unit that of force?

50.The relative error in the measurement of the side of a cube is 0.027. The relative error in the measurement of
its volume is

51.The addition of three masses 1.6 g, 7.32 g and 4.238 g, addressed up to proper decimal places is

52.The number of significant figures in the measured value 0.0204 is

53.Round off given number up to 4 digit- 143.45.       

54.Which of the following is a vector?

55.What is number of significant figures 1.2030*10⁵ ? 

56..  The magnitude of scalar product two unit vectors perpendicular to each other is__________

57.Write the dimension of Plank’s constant. 

58.Find the value of one light-year in meter. 

59.What is relation between one parsec and one light year? 

60.A body is traveling in a circle at constant speed. It

61.The path followed by a projectile is called its?

62. Which of the following graphs gives the equation x=v₀ t +at²/2

63.The displacement in metres of a body varies with time t in second as y = t²– t – 2. The displacement is zero for a positive of t equal to

64.A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s . Then t is

65.A boy starts from a point A, travels to a point B at a distance of 1.5 km and returns to A. If he takes one hour to do so, his average velocity is

66.Which of the following have the same dimensions as Plank’s constant?

67.Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

68.The least count of a stop watch is 0.1s. The time of 20 oscillations of the pendulum is found to be 20s. The percentage error in the time period is

69.  Which of the following numerical values has three significant figures?

70.The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figures is

71.  On the basis of dimensional equation, the maximum number of unknown that can be found, is

72.The measurement of radius of a circle has error of 1%. The error in measurement of its area is

73.What is the range of nuclear force?     

74.. What is unit of solid angle?     

75.What is the speed of light in free space?   

76.What is SI unit of luminous intensity?     

77.1 amu is how much kg?

78..  A vehicle travels half the distance L with speed V₁ and the other half with speed V₂ then what wil be its average speed? 

79.How many coordinate required to represent motion in plane?

80.Newton’s laws are valid in what kind of frame of reference?

81.For what angle range of projectile motion is maximum?

82.What is magnitude of a vector 2+2

83.If the resultant of n forces of different magnitudes acting at a point is zero, what is the minimum value of n?

84.. At what angle should two unit vectors be inclined so that their resultant is also a unit vector?

85.When linear momentum of a system is conserved?

86.Physical independence of force is consequence of which law?

87.If position of a particle is 2+2, what angle its making with horizontal?

88.If a ball of mass m kg normally incident on a wall with v m/s and reflected back with same velocity. What is impulse on the ball by wall?

89.If velocity of a particle proportional to t²  , displacement of that particle will depend on what power of t ?

90.What is the slope of velocity-time graph?

91.Identify A and B in the following diagram

92.Earwax is secreted from

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

94.Bones and blood are various types of

95.Bundles of muscle fibres are enclosed by

96._____________ fuse the plasma membranes of cardiac muscle cells and make them stick together

97.Between adjacent bones of the vertebral column present

98.Tendons are

99.The following diagram is of

100.Rapid transfer of ions, small molecules and sometimes big molecules is facilitated by

101.The dry surface of the skin is covered by

102.Which of the following statement is incorrect?

103. Fibroblasts cells are capable of

104.Calcium salts are present in the bone cause

105.Assertion: In heart when one cell receives a signal to contract, its neighbours are also stimulated to contract

Reason: Communication junctions (intercalated discs) at some fusion points allow the cells to contract as a unit

106.The function of Hypopharynx is

107.The 10^th segment that bear a pair of jointed filamentous structures in both male and female Periplaneta is

108.Identify the parts in the given diagram

109.In Periplaneta the mouth opens into

110.In Periplaneta the teeth like structures present in

111.Name the following parts in the given diagram

112.In Periplaneta visceral organs located in

113.The main composition of Haemolymph is

114.Malpighian tubules in Periplaneta is lined with

115.Periplaneta is

116. Around _____________number of Ommatidia are present in Periplaneta

117.The sperms are stored in

118.Male reproductive system lies in the

119.The function of mushroom shaped gland is

120.Identify the following parts

121.Which of the following is not a function of liver?

122.The gall bladder

123.All are true about Brunner’s gland except

124.The sphincter of Oddi guard the

125.Identify the following parts in the given diagram

126.Enzymes present in the saliva is

127.Starch is converted to maltase in presence of

128.Parietal or oxyntic cells secrete

129.The goblet cells are present in

130.The bile released into the duodenum contains

131.Complete the reaction

132.The undigested, unabsorbed substances called faeces enters into the caecum of the large intestine through

133.HCl provides the acidic pH optimal for pepsins

134.The exocrine portion of pancreas secrete

135.A Human liver can weigh up to

136.The sub mucosal layer is formed of

137.This plays the important role in lubrication and protection of mucosal epithelium from excoriation by the highly concentrated hydrochloric acid

138.Which of the following statement(s) is/are correct?

139.Chyme is

140.The function of hepatic portal circulation is

141.Carbohydrates in the chyme are __________by pancreatic amylase to disaccharides

142.The breakdown of bio macromolecules occurs at

143.Neck cells are involved in

144.Lipases are activated by

145.Epithelial cells of the intestine involved in food  absorption  have  on their  surface

146.Where is protein digestion accomplished?

147.Lacteals are found in 

148.All are true except?

149.Peristalsis is found in

150.Saliva does not contain the ion

151.Percentage of Oxygen carried by RBCs in the blood is

152.Respiratory rhythm center is located in the brain in

153.Note the following reaction and read the following statements. Then identify the true statements :

• i.Enzyme facilitates the reaction in both directions.
• ii.RBCs contain a very high quantity of the enzyme.

iii.The reaction proceeds to opposite direction in alveolar site compared to tissue site

154.Each hemoglobin molecule can carry a maximum of

155.The role of Oxygen in regulation of respiratory rhythm is

156.Match the disease with its pathology :

157.Cutaneous respiration may be seen among

158.The false statement about larynx is

159.Trachea divides into 2 primary bronchi at the level of

• 160.The function of pleural fluid is

161.Wall of alveoli can be described as

162.The thoracic chamber is formed ventrally by

163.Match the respiratory volumes with its value :

164.Functional Residual Capacity is the volume of the air that remain in the lung after

165.Read the following steps of inspiration and arrange them in correct order :

• i.Decreased intra-pulmonary pressure
• ii.Contraction of external intercostal muscles
• iii.Increase in pulmonary volume
• iv.Contraction of diaphragm
• v.Air from outside moves into lungs

166.Which of the following is responsible for the movement of O₂ from the alveoli into the blood in the pulmonary capillaries?

167.Which one of the following is a wrong statement?

168.About ________  of O₂ is transported by RBCs in the blood

169..  Assertion: O₂ can bind with haemoglobin in a reversible manner to form oxyhaemoglobin

       Reason: Haemoglobin is a red coloured iron containing pigment present in the RBCs

170..  Inflammation of bronchi and bronchioles refers to

171.The partial pressure of O2 in alveoli is ( mm Hg)

172.During transport of gases 3% of O2 is carried in

173.Carbon dioxide  is  transported  from tissues  to  respiratory  surface  by  only 

174.At high altitude, the RBCs in the human blood will 

175.The expiratory reserve volume will be

176.. Which one of the following vertebrate organs receives the oxygenated blood only?

177.Blood do not become acidic even it carry the _CO2, cause

178.Find out the correct statement

179. The alveolar capillaries are

180.As the solubility of CO2 is 20-25 times _______ that of O2 , the amount of CO2 that can diffuse through the diffusion membrane per unit difference in partial pressure is much higher compared to that of O2