E2II GRAND TEST 4 for NEET 2023

1.Air sacs of the lungs are present to allow

2.During expiration the diaphragm becomes

3.Fill up the blanks in the following paragraph by selecting the correct option

The movement of air into and out of the lungs is carried out by creating   _____i____ between the lungs and the atmosphere. Inspiration can occur if intra-pulmonary pressure is ____ii____ than the atmosphere pressure. Expiration takes place when the intra-pulmonary pressure is ____iii____ than the atmospheric pressure. Inspiration is initiated by the ____iv____ of diaphragm which _____v_____ the volume of thoracic chamber in the antero-posterior axis.

i                 ii                            iii                         iv                   v

4.Which of the following statement is correct?

5.Fetal haemoglobin has A affinity for oxygen than that of mother’s haemoglobin during gestation. A is

6.The partial pressure is maximum in

7.Which of the following is false about the given graph?

8.Which of the following statement supports the diagram given below?

9. ______ includes ERV+RV

10.RBCs in the blood can transport approximately

11.Haemoglobin can carry CO2 about?

12.Pneumotaxic centre is dedicated to

13.Every 100 ml of deoxygenated blood delivers approximately

14.The diffusion membrane in alveoli is made up of

15.A chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased, the disease manifestation known as

16.Which one of the following is possibility for most of us in regard to breathing, by making a conscious effort? 

17.The  respiratory  centres,  which  control  inspiration and expiration, are located in

18.The transport of O2 and CO2 by blood happens through

19.The CO2 content by volume, in the atmospheric  air is about 

20.To acclimatize high altitude atmosphere, the RBCs in the human blood  will

21.Choose the wrongly matched pair

22.Different gran ain the thylakoids are connected by

23.All of the statements are true except?

24.Which kind of transport is facilitated through Na+/K+ pump?

25.Identify the following parts in the given diagram

26.All are the part of endomembrane system except

27.________ are extensive and continuous with the outer membrane of the nucleus

28.In animal cells lipid-like steroidal hormones are synthesised in

29.In mitochondrion ribosomes are

30.Mitochondria divides by

31.Elaioplasts are responsible to store

32.Centrosomes are surrounded by

33.Identify the Q in the given diagram

34.Sometimes a few chromosomes have non-staining secondary constrictions at a constant location, this site is known as

35.Microbodies are present in both plants and animals, they basically contain

36.Microtubules are the constituents of 

37.Polyribosomes are aggregates  of 

38.Fluid mosaic model of cell membrane was proposed  by 

39.The outer covering membrane is absent over 

40.Select the correct matching in the following pairs 

41.Statement -1: The final stage of meiotic prophase I is diplotene

Statement-2: Diplotene is marked by the terminalisation of Chiasmata

42.Which of the following feature is common between mitosis and meiosis

43.Meiosis does not occur in

44.The gametic meiosis results in

45.Read the following statements and select the correct sequence

i.Complete separation of chromatids

ii.Pairing of homologous chromosomes

iii.Lining up paired chromosomes on equator

iv.Crossing over between chromatids

46.Refer to the given phase of cell division

Which of the following is the previous stage of the process?

47.A tissue at a given time possesses 1024 cells, how many cycles of mitosis had the original parental single cell undergone?

48.The enzyme which drives the crossing over process is

49.What is true about the telophase stage of mitosis?

50.The spindle fibres get attached to condensing chromosomes at a highly differentiated region during Karyokinesis, this is called

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

52.The division can be shown in the apical and lateral cambium is known as

53.At the end of the meiosis II the haploid cell number remains

54.Synapsis is the typical feature of

55.Recombination between homologous chromosomes is completed by the end of

56.Cell only proceed to mitosis once

57.In the meiosis I the bivalent consists of

58.Satement-1: Some cells enter G0 phase leading to inactivation of cell cycle

Statement-2: G0 phase occurs due to non-availability of mitogen and energy reached compounds

59.Number of chromatids at metaphase is 

60.In a somatic cell cycle, DNA synthesis takes  place in 

61.B in the given diagram changes with

62.Palmitic acid has 16 carbon atoms which is

63.Fats and oils are basically

64.Lecithin is composed of

65.There are some tissues found to be have lipids with very complex structure than the others ,they are

66.Identify the structure and its abundance in body

67.Plants produce toxin secondary metabolites sometimes, they are

68.All of the following compound is present in the acid insoluble fraction except?

69.Match column I with column II and select the correct option from the given codes.

Column I             Column II

A.Trypsin         i.Hormone

B.Antibody   ii.Enzyme

C.GLUT-4      iii.Intercellular ground substance

D.Insulin         iv.Fights infectious agents

E.Collagen         v.Enables glucose transport into cells

70.________ is the most abundant protein in animal world and _________ is the most abundant protein in the whole of the biosphere.

71.Which of the following statements about amino acids is incorrect?

72.Which of the following statement is incorrect regarding the chain?

73.Purines have nitrogen atoms at  ________ positions.

74.At some points a protein chain may be folded back on itself like a hollow woollen ball. This is called ______ structure and folds or coils are held together in place by __________.

75.β-pleated sheet exemplify the

76.Name the A, B, C, D in the following diagram

77.An active site of an enzyme is a structure

78.Enzymes get damaged in higher temperature, this happens due to

79.Rate of a physical or chemical process refers to the amount of product formed per unit time. Rate is influenced by

80.Read the statement below and select the correct statement

i.The binding of the substrate induces the enzyme to alter its shape, fitting more tightly around the substrate

ii.the substrate binds to the active site of the enzyme, fitting into the active site

iii.The enzyme releases the products of the reaction and the free enzyme is ready to bind to another molecule of the substrate and run through the catalytic cycle once again

iv.The active site of the enzyme, now in close proximity of the substrate breaks the chemical bonds of the substrate and the new enzyme- product complex is formed

81.In the given diagram A and B is

82.Assertion: With the increase in substrate concentration, the velocity of the enzymatic reaction rises at first. The reaction ultimately reaches a maximum velocity (Vmax) which is not exceeded by any further rise in concentration of the substrate.

Reason: After saturation of these molecules, there are no free enzyme molecules to bind with the additional substrate molecules.

83.The activity of an enzyme is sensitive to the presence of

84.Inhibition of succinic dehydrogenase by malonate occurs because

85.The following reaction is an analogy of

86.Optical, geometric or positional isomerisation are catalysed by

87.Peroxidase and catalase, catalyse

88.Co-enzymes are basically

89.Nicotinamide adenine dinucleotide (NAD) and NADP are

90.In haemoglobin, Haem acts as

91.Which of the following compounds contain(s) no covalent bond(s)?

KCl, PH₃, O₂, B₂H₆, H₂SO₄

92.The number and type of bonds between two carbon atoms in CaC₂ are,

93.Amongst hydrides of group-16 elements, the one with the highest boiling point is;

94.Statement-I: LiCl is predominantly a covalent compound.

Statement-II: Electronegativity difference between Li and Cl is too small.

In the light of the above statements, choose the correct answer from the options given below.

95.The correct statement about ICl₅ and is;

96.Which of the following contains maximum number of lone pairs on the central atom?

97.The oxidation states of Cr in [Cr(H₂O)₆]Cl₃, [Cr(C₆H₆)₂] and K₂[Cr(CN)₂(O)₂(O₂)(NH₃)] respectively are,

98.From the following statements regarding H₂O₂, choose the incorrect statement

99.Which of the following reactions is an example of redox reaction?

100.The correct IUPAC name of the following compound is,

101.The absolute configuration of is;                                   

102.The number of stereoisomers obtained by bromination of trans-2-butene is;

103.If two compounds have the same empirical formula but different molecular formulae, they must have

104.The optically active tartaric acid is named as D(+)-tartaric acid because it has a positive

105.25 g of an unknown hydrocarbon upon burning produces 88 g of CO₂ and 9 g of H₂O, this unknown hydrocarbon contains,

106.Statement-I: Molecules that are non-superimposable on their mirror images are chiral

Statement-II: All chiral molecules have asymmetric central atom.

In the light of the above statements, choose the correct answer from the options given below.

107.The principle of column chromatography is;

108.The correct match between items-I and II is

109.Which of these factors does not govern the stability of a conformation in acyclic compounds?

110.Benzyl chloride can be prepared from toluene by chlorination with,

111.(CH₃)₃CMgCl on reaction with D₂O produces;

112.The highest boiling point is expected for

113.Which of the following compounds will exhibit geometrical isomerism?

114.The reagent(s) involved in the conversion of 1, 2-dibromoethane to ethyne is/are;

115.Propyne and propene can be distinguished by;

116.In the compound CH₂=CH-CH₂-CH₂-C≡CH, the C2-C3 bond is of the type,

117.The reaction of p-OH-C₆H₄-CH=CH-CH₃ with HBr gives;

118.Statement-I: 1-butene on reaction with HBr in the presence of a peroxide produces 1-bromobutane.

Statement-II: It involves the formation of a primary radical.

In the light of the above statements, choose the correct answer from the options given below.

119.But-2-ene on reaction with alkaline KMnO₄ at elevated temperature followed by acidification will give,

120.Marsh Gas mainly contains,

121.The geometry of H₂S and its dipole moment are,

122.Match the orbital overlap figures shown in Column I with the description given in Column II and select the correct answer using the codes given below.

123.HF has highest boiling point among all hydrogen halides, because it has

124.According to MO theory,

125.In compounds of type ECl3, where E = B, P, As or Bi, the angles Cl-E-Cl is in order,

126.Which of the following compounds will be suitable for Kjeldahl’s method for nitrogen estimation?

127.The distillation technique most suited for separating glycerol from spent lye in soap industry is;

128.The correct order of acidity of for the following compounds is;

I. 1, 6-dihydroxy benzoic acid

II.3-hydroxy benzoic acid

III.2-hydroxy benzoic acid

IV.4-hydroxy benzoic acid

129.A solution of (-)1-chloro-1-phenylethane in toluene racemises slowly in the presence of a small amount of SbCl₅, due to formation of;

130.Hyperconjugation involves overlap of the following orbitals;

131.Which of the following will be least dissociated in aqueous solution?

132.Which of the following compound will dehydrate in faster rate;

133.Amongst the following, the most basic compound is;

134.The standard reduction potentials of four elements A, B, C and D are -3.05 V, -0.40 V, +0.34 V and +0.80 V respectively. The highest chemical activity is shown by:

135.The oxidation state of S in Na₂S₄O₆ is;

136.For a rocket moving in free space, the fraction of mass to be disposed of Off to attain a speed equal to two times the exhaust speed is given by (given e2 = 7.4)

. 137. A simple pendulum hangs from the roof of a train moving on horizontal rails. If the string is inclined towards the front of the train, then train is-

138.The value of M of the hanging block is in the figure, which will prevent the smaller block (m=1 kg) from slipping over the triangular block. All the surfaces are smooth and string and pulley are ideal. (Given: M’=4 kg and θ=37^0)

139.A plastic box of mass 5 kg is found to accelerate up at the rate of g/6, when placed deep inside the water. How much sand should be put inside the box so that it may accelerate down at the rate of g/6?

140.Let θ denote the angular displacement of a simple pendulum oscillating in a vertical plane. If the mass of bob is m, the tension in the string is mgcosθ-

141.The graph for stopping time (t) versus mass (m) is shown in the figure. Then which one of the pairs is given?

142.Tension on the string at point P is T. The graph for tension (T) versus x is shown in the figure. Then the string is:

143. A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/sec. A plumb bob is suspended from the roof of the car by a light rigid rod of length 1.00 m. The angle made by the rod with the track is

144.The engine of a car produces an acceleration of 4 m/s² in the car. If this car pulls another car of the same mass, what will be the acceleration produced?

145.A truck and a car are moving with equal velocity. If equal retarding force is applied on each, then on applying the brakes both will stop after certain distance 

146.. A constant force acts on a body of mass 0.9 kg at rest for 10s. If the body moves a distance of 250 m, the magnitude of the force is 

147.A body of 5 kg is moving with a velocity of 20 m/s. If a force of 100 N is applied on it for 10 sec in the same direction as its velocity, what will now be the velocity of the body?

148.A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is

149.A motor cyclist moving with a velocity of 72 km/hour on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 meters. The acceleration due to gravity is 10 m/sec². In order to avoid skidding, he must not bend with respect to the vertical plane by an angle greater than 

150.A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is 

151.A ball of mass 0.25 kg attached to the end of a string of length 1.96 m is moving in a horizontal circle. The string will break if the tension is more than 25 N. What is the maximum speed with which the ball can be moved 

152.A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then

153.. In the  Question, if the string C is stretched slowly, then

154.A coin is dropped in a lift. It takes time t₁ to reach the floor when lift is stationary. It takes time t₂ when the lift is moving up with constant acceleration. Then:

155.. If the tension in the cable of 1000 kg elevator is 1000 kg weight, the elevator:

156.

In the above diagram, the acceleration of the car will be:

157.A particle of mass 0.3 kg is subjected to a force F = –kx with k = 15 N/m. What will be its initial acceleration if it is released from a point 20 cm away from the origin

158.A block of mass 2 kg moving with velocity of 10 m/s on a smooth surface hits a spring of force constant 80×10380×103 N/m as shown. The maximum compression in the spring is

159.If a body of mass 200 g falls from a height 200 m and its total P.E. is converted into K.E. at the point of contact of the body with earth surface, then what is the decrease in P.E. of the body at the contact (g = 10 m/s²) 

160.. If momentum is increased by 20%, then K.E. increases by 

161.The kinetic energy of a body of mass 2 kg and momentum of 2 Ns is 

162.. A 0.5 kg ball is thrown up with an initial speed 14 m/s and reaches a maximum height of 8.0m. How much energy is dissipated by air drag acting on the ball during the ascent 

163.. Two bodies of masses m and 4 m are moving with equal K.E. The ratio of their linear momentums is

164. A weight lifter lifts 300 kg from the ground to a height of 2 meter in 3 second. The average power generated by him is 

165.What average horsepower is developed by an 80 kg man while climbing in 10 s a flight of stairs that rises 6 m vertically 

166.Two equal masses m₁ and m₂ moving along the same straight line with velocities +3 m/s and –5 m/s respectively collide elastically. Their velocities after the collision will be respectively 

167.A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is

168.If W₁, W₂ and W₃ represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation between W₁, W₂ and W₃ 

169.The displacement x of a particle moving in one dimension under the action of a constant force is related to the time t by the equation t=√x+3 where x is in meters and t is in seconds. The work done by the force in the first 6 seconds is 

170.. A lorry and a car moving with the same K.E. are brought to rest by applying the same retarding force, then 

171.A batsman hits a sixer and the ball touches the ground outside the cricket field. Which of the following graph describes the variation of the cricket ball’s vertical velocity v with time between the time t₁ as it hits the bat and time t₂ when it touches the ground 

172.The relationship between force and position is shown in the figure given (in one dimensional case). The work done by the force in displacing a body from x = 1 cm to x =

5 CM IS

173.The pointer reading v/s load graph for a spring balance is as given in the figure. The spring constant is-

174.Adjacent figure shows the force-displacement graph of a moving body, the work done in displacing body from x = 0 to x = 35 m is equal to-

175.A 10kg mass moves along x-axis. Its acceleration as a function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from x = 0 to x = 8 cm ?

176.A toy car of mass 5 kg moves up a ramp under the influence of force F plotted against displacement x. The maximum height attained is given by

177.A particle of mass 0.1 kg is subjected to a force which varies with distance as shown in fig. If it starts its journey from rest at x = 0 , its velocity at x = 12 m is 

178.The potential energy of a system is represented in the first figure. the force acting on the system will be represented by

179.Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m/s.  Take g constant with a value of 10 m/s2.  The work done by the 
(i) gravitational force and the (ii) resistive force of air is 

180.On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M which is initially at rest. After collision the first block moves at an angle θ to its initial direction and has a speed v/3. The second block’s speed after the collision is