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NEET TEST SERIES 50 BIOLOGY

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February 3, 2025
NEET TEST SERIES 49 BIOLOGY

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February 3, 2025
NEET TEST SERIES 48 BIOLOGY

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February 3, 2025
NEET TEST SERIES 47 BIOLOGY

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February 3, 2025
NEET TEST SERIES 46 CHEMISTRY

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February 3, 2025
NEET TEST SERIES 45 CHEMISTRY

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February 3, 2025
NEET TEST SERIES 44 PHYSICS

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February 3, 2025
NEET TEST SERIES 43 PHYSICS

NEET TEST SERIES 43 PHYSICS

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1. A physic quantity x depends on quantities y and z such that x = Ay + BtanCz, where A, B and C are constants. Which of the following do not have the same dimensions?

(a) x and B

(b) c and z^-1

(c) y and B/A

(d) x and A
Deselect Answer

(a)

(b)

(c)

(d)
None

2. The acceleration due to gravity SI unit can be written as

(a) N kg^-1
(b) N kg
(c) N m^-1
(d) N m
Deselect Answer

(a)

(b)

(c)

(d)
None

3. The dimensional formula of density of a substance can be written as

(a) [ML³ T]
(b) [ML^-3 T]
(c) [ML³ T⁰]
(d) [ML^-3 T⁰]
Deselect Answer

(a)

(b)

(c)

(d)
None

4. The SI unit of momentum is

(a) kg m s^-1
(b) kg m s^-2(c) kg m² s^-1(d) kg m² s
Deselect Answer

(a)

(b)

(c)

(d)
None

5. A particle of mass 0.5kg travels in a straight line with velocity v=ax^3/2where a=5m^-1/2s^-1. What is the work done by the net force during its displacement from x=0 to x=2m?

(a) 40 J
(b) 45 J
(c) 90 J
(d) 50 J
Deselect Answer

(a)

(b)

(c)

(d)
None

6. A box mass 2kg increases its speed from 3 ms^-1 to 7 ms^-1. What is the increase in kinetic energy?

(a) 4 J
(b) 16 J
(c) 40 J
(d) 32 J
Deselect Answer

(a)

(b)

(c)

(d)
None

7. A body of mass 2kg is being pushed horizontally on a rough surface by 10 N force for 6 m. Given that the friction between the box and the surface is 4 N, what is the work done by the net force on the box?

(a) 36 J
(b) 16 J
(c). 40 J
(d) 32 J
Deselect Answer

(a)

(b)

(c)

(d)
None

8. A force F=20+10y acts on a particle in y-direction where F is in Newton and y in meter. Work done by this force to move the particle from y=0 to y=1m is:

(a) 20 J
(b) 30J
(c) 5J
(d) 25J
Deselect Answer

(a)

(b)

(c)

(d)
None

9. The venturi-meter works on:

a) Bernoulli’s principle
b) The principle of parallel axes
c) The principle of perpendicular axes
d) Huygen’s principleDeselect Answer

(a)

(b)

(c)

(d)
None

10. If a soap bubble expands, the pressure inside the bubble:

a) increases
b) decreases
c) remains the same
d) is equal to the atmospheric pressureDeselect Answer

(a)

(b)

(c)

(d)
None

11. Which of the following statement is false?

a) ∆G = 0 at equilibrium state of a chemical reaction.

b) ∆S = 0 at equilibrium state of a chemical reaction.

c) ∆H ≠ 0 at equilibrium state of a chemical reaction.

d) A chemical reaction is in its most stable state at equilibrium.
Deselect Answer

(a)

(b)

(c)

(d)
None

12. If 1 : 3 (molar ratio) mixture of N₂ and H₂ yields 20% (by volume) of NH₃ at 30 atm, then the moles of N₂ converted into product at equilibrium will be

(a) 0.66
(b) 0.22
(c) 0.33
(d) 0.44
Deselect Answer

(a)

(b)

(c)

(d)
None

13. Given the value of K for the reaction
2NO₂ + O₂ ⇌ 2NO₂ ; K = 100
What is the value of K’ for the adjusted reaction ?
4NO + 2O₂ ⇌ 4NO₂ ; K’ = ?

(a) 100
(b) 600
(c) 1000
(d) 10000
Deselect Answer

(a)

(b)

(c)

(d)
None

14. The expression for the reactions CaCO₃ (s) ⇌ CaO (s) + CO₂ (g) and N₂ (g) + 3H₂ (g) ⇌ 2NH₃ (g) in terms of K_c are respectively

a) Kp = K_c (RT)^-2 and   = K_c R
b) Kp = K_c RT and = K_c (RT)^-2
c) Kp = K_c and   = K_c RT
d) K_p = K_c RT and K_p = K_c
Deselect Answer

(a)

(b)

(c)

(d)
None

15. The value of equilibrium constant for the reaction, HI (g) ⇌ 1/2 H₂ (g) + 1/2 I₂ (g) is 8.0. The equilibrium constant of the reaction H₂ (g) + I₂ (g) ⇌ 2HI (g) will be

(a) 16
(b) 1/8
(c) 1/16
(d) 1/64
Deselect Answer

(a)

(b)

(c)

(d)
None

16. K_P for 20% dissociation of 1 mole PCl₅ at equilibrium under total pressure of 1 atm is

(a) 0.041 atm²
(b) 0.041 atm
(c) 0.062 atm²
(d) 0.062 atm
Deselect Answer

(a)

(b)

(c)

(d)
None

17. AB₃ (g) ⇌ AB₂ (g) + ½ B₂ (g). If the initial pressure of AB₃ (g) is 700 torr and total pressure is 800 torr. Calculate K_P(a) 1.64
(b) 2.85
(c) 3.21
(d) 4.26
Deselect Answer

(a)

(b)

(c)

(d)
None

18. A vessel of 1 L capacity containing 1 mole SO₂ is heated till a state of equilibrium is attained. 2 SO₃ (g) ⇌ 2SO₂ (g) + O₂ (g). At equilibrium, 0.6 mole of SO₂ had formed. The value of K_eq is?

(a) 0.68
(b) 0.36
(c) 0.45
(d) 0.18
Deselect Answer

(a)

(b)

(c)

(d)
None

19. The equilibrium constant at 298 K for a reaction A + B ⇌ C + D is 100. If the initial concentration of all the four species were 1 M each, then equilibrium concentration of D (in mol /L) will be?

(a) 2.46
(b) 4.12
(c) 1.81
(d) 3.25
Deselect Answer

(a)

(b)

(c)

(d)
None

20. In metal carbonyls, such as Ni(CO)₄, the bonding between the metal center and carbon monoxide involves:

a) Only σ-bonding through lone pair donation from the carbon atom.
b) Only π-backbonding from the metal to the CO ligand.
c) A combination of σ-bonding and π-backbonding.
d) Ionic bonding between the metal and CO.
Deselect Answer

(a)

(b)

(c)

(d)
None

February 3, 2025
NEET TEST SERIES 41 BIOLOGY

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February 3, 2025
NEET TEST SERIES 40 BIOLOGY

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February 3, 2025

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