JEE Mains 28 November Daily Practice Questions for 2025 Session 1 with Solution
Candidates can find the JEE Mains 28 November Daily Practice Questions for 2025 Session 1 with Solution here.
JEE Mains 28 November Daily Practice Questions for 2025 Session 1 with Solution: The National Testing Agency will be conducting the JEE Main exam 2025 session 1 exams in January and candidates preparing for the exam can check the Daily Practice Questions with solutions here. Practising with the JEE Mains 28 November Daily Practice Questions for 2025 Session 1 with Solution will help the candidates be better prepared for the exam. The JEE Mains 28 November DPP for 2025 Session 1 has been put together from the previous year question papers, coaching material from different insitutes and sample papers.
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JEE Mains 28 November Daily Practice Questions for 2025 Session 1 with Solution
JEE Mains 28 November Chemistry Daily Practice Questions for 2025 Session 1 with Solution
Question 1:
Which of the following compounds has the maximum number of chlorine atoms in its structure?
(1) Chloropicrin
(2) Freon-12
(3) Gammaxene
(4) Chloral
Answer: (3)
Question 2:
A hydrocarbon X with the formula C6H8 uses two moles of H2 during catalytic hydrogenation of one mole of the compound. On ozonolysis, X yields two moles of methane dicarbaldehyde. What is the identity of hydrocarbon X?
(1) Hexa-1,3,5-triene
(2) Cyclohexa-1,3-diene
(3) Cyclohexa-1,4-diene
(4) 1-methylcyclopenta-1,4-diene
Answer: (3)
Question 3:
The Lewis acid character of boron trihalides follows the order:
(1) BCl3 > BBr3 > BF3
(2) BCl3 > BF3 > BBr3
(3) BBr3 > BCl3 > BF3
(4) BF3 > BCl3 > BBr3
Answer: (3)
Question 4:
Which of the following elements have half-filled f-orbitals in their ground state? Given: Atomic numbers: Sm = 62; Eu = 63; Tb = 65; Gd = 64; Pm = 61
(A) Sm
(B) I
(C) Tb
(D) Gd
(E) Pm
Choose the correct answer from the options below:
(1) A and E only
(2) B and D only
(3) C and D only
(4) A and B only
Answer: (2)
Question 5:
Which of the following compounds are NOT used as disinfectants?
(A) Chloroxylenol
(B) Bithional
(C) Veronal
(D) Prontosil
(E) Terpineol
Choose the correct answer from the options below:
(1) A, B
(2) C, D
(3) A, B, E
(4) B, D, E
Answer: (2)
JEE Mains 28 November Physics Daily Practice Questions for 2025 Session 1 with Solution
Question 1:
The number of turns of the coil in a moving coil galvanometer is increased to enhance its current sensitivity by 50%. What will be the percentage change in its voltage sensitivity?
(1) 100%
(2) 75%
(3) 50%
(4) 0%
Answer: (4)
Question 2:
In a typical transistor, which of the following statements is true?
Statement I: All three regions—emitter, base, and collector—have the same doping level.
Statement II: The collector is the thickest region, and the base is the thinnest region.
Choose the most appropriate option:
(1) Statement I is false, but Statement II is true
(2) Statement I is true, but Statement II is false
(3) Both Statement I and Statement II are false
(4) Both Statement I and Statement II are true
Answer: (3)
Question 3:
A stone of mass 1 kg is tied to the end of a massless string of length 1 m. If the maximum tension the string can withstand is 400 N, what is the maximum linear velocity the stone can have while rotating in a horizontal plane without breaking the string?
(1) 40 m/s
(2) 10 m/s
(3) 20 m/s
(4) 400 m/s
Answer: (3)
Question 4:
Considering a system of positive charges, which statement is correct?
(1) Both the net potential and the net electric field cannot be zero at a point.
(2) Net potential of the system can be zero at a point, but the net electric field cannot be zero at that point.
(3) Both the net potential and the net electric field can be zero at a point.
(4) Net potential of the system cannot be zero at a point, but the net electric field can be zero at that point.
Answer: (4)
Question 5:
The radius of the electron's second stationary orbit in Bohr’s atom is given as R. What is the radius of the third orbit?
(1) R/3
(2) 2.25 R
(3) 3 R
(4) 9 R
Answer: (2)
JEE Mains 28 November Mathematics Daily Practice Questions for 2025 Session 1 with Solution
Let the plane P pass through the intersection of the planes 2x+3y−z=2 and x+2y+3z=6, and be perpendicular to the plane 2x+y−z+1=0. If the distance of P from the point (-7, 1, 1) is d, then d^2 is equal to:
(1) 25/83
(2) 15/53
(3) 250/82
(4) 250/83
Answer: (4)
Problem 2:
The number of integral values of k for which one root of the equation 2x^2−8x+k=0 lies in the interval (1, 2) and its other root lies in the interval (2, 3) is:
(1) 1
(2) 2
(3) 3
(4) 0
Answer: (1)
Problem 3:
If the x-intercept of a focal chord of the parabola y2=8x+4y+4 is 3, then the length of the chord is equal to:
(1) 14
(2) 16
(3) 18
(4) 20
Answer: (2)
Problem 4:
Let ax+by+cz=1 be the equation of a plane passing through the point (3, -2, 5) and perpendicular to the line joining the points (1, 2, 3) and (-2, 3, 5). Then the value of abc is equal to:
(1) 4
(2) 8
(3) 6
(4) 10
Answer: (3)
Problem 5:
The number of integral solutions to the equation x+y+z=21, where x≥1, y=3 and z≥4 is:
(1) 105
(2) 110
(3) 115
(4) 120
Answer: (1)
