E2II GRAND TEST 7 for NEET 2023

1.The pressure and temperature of two different gases are P and T having the volume V for each.  They are mixed keeping the same volume and temperature, the pressure of the mixture will be-                                                         

2. A thermally insulated piston divides a container into two compartments.  Volume, temperature, and pressure in the right compartment are 2V, T, and 2P, while in the left compartment the respective values are V, T, and P.  If the piston can slide freely, then in the final equilibrium position, the volume of the right-hand compartment will be-

3.For a gas, the r.m.s speed at 800 K is:

4.The average kinetic energy of a helium atom at 30°C is:

5.The curve between absolute temperature and vrms^2 is:

6.  Five molecules of a gas have speeds, 1, 2, 3, 4 and 5 kms−1.  The value of the root mean square speed of the gas molecules is:

7.For a gas, R/C_v=0.67.  This gas is made up of molecules which are:                                                                   

8.At constant temperature, on increasing the pressure of a gas by 5% its volume will decrease by:         

9.Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. Under such conditions, the density of A is found to be 1.5 times the density of B. The ratio of molecular weight of A and B is:

10.At what temperature, is the root mean square velocity of gaseous hydrogen molecules equal to that of oxygen molecules at 47°C

11.One litre of gas A and two litres of gas B, both having the same temperature 100°°C and the same pressure 2.5 bar will have the ratio of kinetic energies of their molecules as:

12.On 0°C, the pressure measured by the barometer is 760 mm.  What will be pressure at 100°C?                                 

13.By what percentage, should the pressure of a given mass of gas be increased, so as to decrease its volume by 10% at a constant temperature?

14. In the adjacent V-T diagram what is the relation between P1 and P2 ?

15.

which of the following answer is correct?

16.The kinetic energy of one gram molecule of a gas at standard temperature and pressure is: (R = 8.31 J/mol-K)

17.Gases exert pressure on the walls of containing vessel because  the gas molecules:

18.The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V, will be: (where R is the constant)

19. The temperature of an ideal gas is increased from 27° to 927°C. The r.m.s. speed of its molecules becomes-

20.PV versus T graph of equal masses of H2, He and O2 is shown in the figure. Choose the correct alternative.

21.The molecules of a given mass of gas have r.m.s velocity of 200 ms^-1 at 27°C and 1.0 x 10⁵ Nm^-2 pressure. When the temperature and pressure of the gas are respectively, 127°C and 0.05 X 10⁵ Nm^-2 , the RMS velocity of its molecules in ms^-1 is:

22.The ratio of the specific heats CP/CV=γ in terms of degrees of freedom (n) is given by –

23.A Container having 1 mole of a gas at a temperature 27°C has a movable piston which maintains constant pressure in container of 1 atm. The gas is compressed until temperature becomes 127°C. The work done is (C_p for gas is 7.03 cal/mol K) 

24.Which is incorrect ?

25.A Carnot’s engine used first an ideal monoatomic gas then an ideal diatomic gas. If the source and sink temperature are 411°C and 69°C respectively and the engine extracts 1000 J of heat in each cycle, then area enclosed by the PV diagram is –

26.The temperature of sink of Carnot engine is 27°C. Efficiency of engine is 25%. Then temperature of source is –

27.A cylindrical tube of uniform cross-sectional area A is fitted with two airtight frictionless pistons. The pistons are connected to each other by a metallic wire. Initially the pressure of the gas is P₀ and temperature is T₀, atmospheric pressure is also P₀. Now the temperature of the gas is increased to 2T₀, the tension in the wire will be

28.An insulator container contains 4 moles of an ideal diatomic gas at temperature T. Heat Q is supplied to this gas, due to which 2 moles of the gas are dissociated into atoms but temperature of the gas remains constant. Then

29.The volume of air increases by 5% in its adiabatic expansion. The percentage decrease in its pressure will be –

30.The temperature of a hypothetical gas increases to √2 times when compressed adiabatically to half the volume. Its equation can be written as

31.

When an ideal monoatomic gas is heated at constant pressure, fraction of heat energy supplied which increases the internal energy of gas, is 

32.Initial pressure and volume of a gas are P and V respectively. First it is expanded isothermally to volume 4V and then compressed adiabatically to volume V. The final pressure of gas will be [Given : γ=1.5 ]

33.

. A thermally insulated rigid container contains an ideal gas heated by a filament of resistance 100 Ω through a current of 1A for 5 min . Then change in internal energy is –

34.A system goes from A to B via two processes I and II as shown in figure. If ΔU_I and ΔU_II are the changes in internal energies in the processes I and II respectively, then 

35. A thermodynamic system is taken through the cycle PQRSP process. The net work done by the system is –

36.The P-V diagram shows seven curved paths (connected by vertical paths) that can be followed by a gas. Which two of them should be parts of a closed cycle if the net work done by the gas is to be at its maximum value 

37.Which of the following graphs correctly represents the variation of β=−(dV/dP)/Vβ with P for an ideal gas at constant temperature ?

38.In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively are –

39.The volume (V) of a monatomic gas varies with its temperature (T), as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state A to state B, is:

40.The efficiency of an ideal heat engine working between the freezing point and boiling point of water is:

41.Direction: In each of the Following questions, two statements are given. One is assertion and the other is reason. Examine the statement carefully and mark the correct answer according to the instruction given below

Assertion Thermodynamic process in nature are irreversible. 
Reason Dissipative effects cannot be eliminated.

42.During an isothermal expansion, a confined ideal gas does -150 J of work against its surrounding. This implies that,

43.The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is:

44.The molar specific heat at a constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is:

45.If for a given substance melting point is TB and freezing point is TA, then correct variation shown by graph between entropy change and temperature is

46.The largest number of molecules are in,

47.Number of oxalic acid molecules in 100 mL of 0.02 N oxalic acid is,

48.A compound contains 3.2 % of oxygen. The minimum molecular weight of the compound is,

49.The mole-fraction of glucose in aqueous solution is 0.2, then molality of solution will be,

50.What volume of CO₂ at STP will evolve when 1 g of CaCO₃ reacts with excess of dil. HCl?

51.82 g of a metal requires 32.5 mL of 1 N HCl to dissolve it. What is the equivalent weight of metal?

52.The normality of solution obtained by mixing 100 mL of 0.2 M sulphuric acid with 100 mL of 0.2 M NaOH is,

53.Equivalent weight of H₃PO₂ is, (M = molecular weight)

54.When 400 g of a 20% solution by weight was cooled, 50 g of solute precipitated. The percentage concentration of remaining solution is,

55.Which of the following solution has normality equal to molarity?

56.Ammonia gas is passed into water, yielding a solution of density 0.93 g/cm³ and containing 18.6 % NH₃ by weight. The mass of NH₃ per cc of the solution is,

57.Vapour density of mixture of NO₂ and N₂O₄ is 34.5, then percentage abundance of NO₂ in mixture is,

58.1 L of gaseous aliphatic compound C_xH_yO_z is completely burnt in excess of O₂. The contraction in volume is,

59.The energy of hydrogen atom in the ground state is –13.6 eV. Its energy corresponding to the quantum number n = 5 is,

60.The number of spectral lines that are possible when electrons in fourth energy level in different hydrogen atoms return to ground state,

61.Velocity of electrons in 3^rd shell of Li²⁺ is (c = velocity of light)

62.The energy of the electron in the first orbit of He+ is -871.6 × 10^-20 The energy of the electron in the first orbit of hydrogen would be,

63.Bohr’s radius can have,

64.If the velocity of hydrogen molecule is 5 × 10⁴ cm s^-1, then its de-Broglie wavelength (in Å) is,

65.Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light,

66.The uncertainty in the position of a moving bullet of mass 10 g is 10^-5 Calculate the uncertainty in its velocity,

67.Which one of the following explains light both as a stream of particles and as wave motion?

68.If K.E. of an electron, α-particle and a proton are represented by E₁, E₂ and E₃ respectively, then,

69.Which electronic level allows the hydrogen atom to absorb a proton but not to emit a photon?

70.If n + l = 6, then total possible number of subshells would be,

71.Afbau principle is not satisfied by,

72.Which orbital gives an electron the greatest probability of being found lose to the nucleus?

73.The explanation for the presence of three unpaired electrons in the nitrogen atom can be given by,

74.An ion M^+a has the magnetic moment equal to √24 B.M. The value of a is, (At. No of M = 24)

75.In some regions of space around nucleus ᴪ² = 0, the region is called,

76.The maximum probability of finding an electron in the d_xy orbital is,

77.Uncertainty principle gave the concept of,

78.Which orbital has two angular nodal planes?

79.The correct order of the size of iodine species is:

80.Which of the following is soluble in water?

81.The element with the highest first ionization potential is,

82.O^2- or S^2- formation is endothermic because,

83.Which main group elements have a different number of outermost electrons than their group number?

84.A molecule H-X will be 50% ionic if electronegativity difference of H and X is,

85.Melting point is maximum for

86.Electron affinity is positive when,

87.A compound contains atoms of three elements A, B and C. If the oxidation number of A = +2, B = +5, and C = -2, the possible formula of the compound is,

88.Which of the following does not exhibit the periodicity in properties of the elements?

89.Which is not the correct order of the stated property?

90.The I.E of hydrogen atom is 13.6 eV. The energy required to remove an electron in the n = 2 state of the hydrogen atom is:

91._______ and ______ are unicellular algae, rich in protein and used in space for food supplement

92.Seaweeds are used for their content of

93.Match the column

Column-I                                            Column-II

i.Carrageenan           a .Red algae

ii.Food            b.Brown algae

iii. Algin         c.  Gelidium, Gracilaria

iv.Agar                                        d. Porphyra, Laminaria

94.Which type of reproduction is found in Volvox?

95.Green algae contains

96.Read the give statements and select the correct option

i.Algae have the plant body called thalloid

ii.Algae are largely aquatic

iii.Algae shows vegetative, sexual and asexual reproduction

iv.Volvox and Ulothrix are multicellular algae

97.Identify the following parts in the given diagram

98.Two gametes of dissimilar size when fused are called

99.Which of the following plant make association with Mycorrhiza?

100.Statement-I: Volvox form spherical colony

Statement-II:  Volvox colony is made up of non-motile cells

101.Which type of sexual reproduction is found in Ulothrix?

102.The reserve food of brown algae is, Laminarin and Mannitol, they are basically

103.Which of the following statement is correct about Phaeophyceae?

104.Which of the following is correct branching pattern for Dictyota thallus?

105.Select the correct option which identifies A and B from the given diagram

A                   B

106.Which of the following does not belong to brown algae?

107.Find out the correct match

108.Red algae contains

109.Which of the following is the prominent phase of life cycle of bryophytes?

110.Statement-I: Bryophytes live in soil but depend on water for reproduction

Statement-II: Bryophytes are considered as amphibians of plant kingdom

111.The given plant belongs to

112.Bryophytes mainly dwell in

113.Gymnosperms do not include

114.In bryophytes the embryonic development takes place in

115.Which of the following are heterosporous?

116.Coralloid roots of _____ have symbiotic association with N₂ fixing Cyanobacteria

117.Select the correct pattern for gymnosperms

118.Find out the haploid structures in gymnosperms.

119.Which of the following do not have free living gametophyte?

120.Select the Odd one

121.Which of the following shows sporophyte as dominant phase?

122.Assertion: Selaginella and Salvinia are homosporous

Reason: They produce similar kind of spores

123.Match the column

Column-I                                            Column-II

i.Vascular cryptogams               a. Pteridophytes

ii.Non-vascular cryptogams b.Gymnosperms, angiosperms

iii.Phanerogams                     c. Algae, bryophytes

124.Pyrenoids are located in

125.In double fertilisation, one male gametes fuses with the _____i_____ to form zygote and the other male gamete fuses with _____ii_____ to form primary endosperm nucleus.

i                               ii

126.Seed bearing plants exhibit the lifecycle pattern of

127.Holdfast, stipe and frond are found in

128.Sporophytic phase of Funaria contain

129.Prothallus produces

130. Identify the plant species

131.Assertion: Mosses are of great ecological importance

Reason: Mosses prevent soil erosion by forming dense mat on soil

132.Match the column

Column-I                                            Column-II

A .Peritrichous flagellation            J.Ginkgo

B.Living fossil                         K. Macrocystis

C.Rhizophore                             L. Escherichia coli

D.Smallest flowering plant    M.Selaginella

E.Largest perennial algae       N.Wolffia

133.The plant shown in the figure belongs to which family?

134.Which of the following is a parasitic alga?

135.Find out the wrong statement

136.Read the following and find out the common characteristic between urea, uric acid and ammonia

i.They are nitrogenous wastes

ii.They all need very large amount of water for excretion

iii.They are all equally toxic

iv.They are produced in the kidneys

137.Match the column

Column-I                                      Column-II

A.Green                                              i.glands insects

B.Malpighian tubule              ii. Annelids

C.Nephridia                                iii. Crustaceans

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

139.Find out the correct pathway for the passage of urine in humans

140.Statement-I: Urinary bladder is lined by transitional epithelium

Statement-II: Urinary bladder dilates a good deal as urine trickles into it from the ureter

141.The notch present on the inner medial side of kidney is known as

142.Which of the following statement(s) is/are incorrect?

i.Outer cortex and inner medulla are two zones of kidney

ii.Medulla is divided into renal pyramids

iii.Pyramids project in calyx

iv.Inward extension of cortex between the pyramids is called renal column of Bertin

143.Which of the following part is not included in renal pyramid?

144.The bunch of capillaries present in the Bowman’s capsule is known as

145.Identify the following in the given diagram

146. Find out the correct statement

147.The numbers of nephrons in the kidney is equal to

148.Identify A and B

149.Which one of the following does not constitute  a part of single uriniferous tubule?

150.Match the column

Column-I                                                  Column-II

A.Delivers blood to the glomerulus          i.Ascending and descending limbs

B.Carries urine to the pelvis              ii.Renal artery

C.Collects filtrate                               iii. Collecting ducts

D.Loop of Henle’s                               iv.PCT

151.The longest loop of Henle is found in

152.Of the total nephrons, Juxtamedullary nephrons constitute

153.Liquid which collects in the cavity of Bowman’s capsule is

154.The normal GFR value is

155.Which of the following is activated when GFR fall?

156.A large quantity of fluid is filtered everyday by nephrons in the kidneys but only 1% of it is excreted as urine. Then remaining 99% of the filtrate is

157.Ketone bodies, creatinine and hippuric acid are added to the urine through

158.Read the following statemnets and identify the structures referred to here

i.Reabsorption in this region is minimum

ii.This region plays a significant role in maintenance of high osmolarity of interstitial fluid

iii.Its descending limb is permeable to water but almost impermeable to electrolytes

iv.Its ascending limb is impermeable to water but allows the transport of electrolytes actively or passively

159.Name the mechanism shown in the given diagram

160.Find out the correct statement

i.Renal vein takes blood away from the kidney

ii.Urine gets diluted in the ascending limb of Loop of Henle

iii.Epithelial cells of Bowman’s capsule are called Podocytes

iv.Ultra filtrate is plasma minus proteins

161.Potassium excretion is carried out by?

162.Find out the correct match

163.Long ducts of collecting tubules extend from

164.Assertion: Stimulation of rennin secretion will increase the volume of extracellular fluid

Reason: This increase occurs due to the decreased active reabsorption of Na⁺

165.Identify the following parts in the given diagram

166.Which of the following option has the correct pair of nephron parts that maintain the pH and ionic balance of blood?

167.Select the incorrect statement

168.The condition of diuresis is referred to

169.The ability to produce hypertonic urine in vertebrates depends on

170.Recognise the given figure and find out the correct labels

i. A is the fine branch of renal vein

ii.B carries the blood towards glomerulus

iii.C is the tuft of capillaries formed by the A

iv.D is the highly coiled network of renal tubule

Which of the following is correct?

171.If the stretch receptors in the urinary bladder is removed what will happen?

172. Glycosuria is observed if a man

173.A person undergoing prolonged fasting, his urine would contain abnormal amount of

174.In peritoneal dialysis

175.Match the column

       Column-I                                                 Column-II

A.Uremia                                                           i.Ketone bodies in urine

B.Ketonuria                                               ii. Artificial kidney

C.Glycosuria                                                  iii. Glucose in urine

D.Blood Dialyser                                    iv. Accumulation of urea in the                                                                            blood

A                        B                     C                                  D

176.Assertion: Renal threshold of glucose is said to be 180mg/100ml

Reason: Glucose starts appearing in the urine when the blood level exceeds 180mg/100ml of blood

177.Dialysing unit contains a fluid which is almost same as plasma except that it has

178.Accumulation of uric acids in joints manifests

179.Match the column

Column-I                                      Column-II

A.   Oliguria                            i.Angiotensin

B.  Diabetes Insipidus          ii.Decreased urine production

C.Kidney stones                   iii.Low secretion of ADH

D.Renin                            iv.Renal caliculi

180.Identify the substances reabsorbed in the following parts ini the given diagram