Q. What is the purpose of using markers in genetically modified crops? (2021)
A.
To enhance flavor
B.
To track genetic changes
C.
To increase size
D.
To improve color
Show solution
Solution
Markers are used to track genetic changes and ensure the desired traits are present in genetically modified crops.
Correct Answer:
B
— To track genetic changes
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Q. What is the purpose of using plasmids in genetic engineering? (2023)
A.
To increase crop yield
B.
To serve as vectors for gene transfer
C.
To produce antibiotics
D.
To enhance photosynthesis
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Solution
Plasmids are used as vectors to transfer genes into host cells in genetic engineering.
Correct Answer:
B
— To serve as vectors for gene transfer
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Q. What is the purpose of using restriction enzymes in genetic engineering? (2023)
A.
To cut DNA at specific sites
B.
To amplify DNA
C.
To sequence DNA
D.
To repair DNA
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Solution
Restriction enzymes are used to cut DNA at specific sequences, which is essential for cloning and genetic engineering.
Correct Answer:
A
— To cut DNA at specific sites
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Q. What is the reactance of an inductor at a frequency of 50 Hz if the inductance is 0.1 H? (2023)
A.
31.4 Ω
B.
6.28 Ω
C.
157 Ω
D.
12.56 Ω
Show solution
Solution
Reactance (X_L) = 2πfL = 2π(50)(0.1) = 31.4 Ω.
Correct Answer:
A
— 31.4 Ω
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Q. What is the reactance of an inductor in an AC circuit with frequency f? (2023)
A.
2πfL
B.
1/(2πfL)
C.
L/(2πf)
D.
0
Show solution
Solution
The reactance of an inductor in an AC circuit is given by the formula X_L = 2πfL.
Correct Answer:
A
— 2πfL
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Q. What is the relationship between charge (Q), capacitance (C), and voltage (V) in a capacitor? (2023)
A.
Q = CV
B.
Q = C/V
C.
Q = V/C
D.
Q = C + V
Show solution
Solution
The relationship is given by Q = CV, where Q is the charge, C is the capacitance, and V is the voltage across the capacitor.
Correct Answer:
A
— Q = CV
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Q. What is the relationship between current (I), charge (Q), and time (t)? (2022)
A.
I = Q × t
B.
I = Q / t
C.
I = t / Q
D.
I = Q + t
Show solution
Solution
The relationship is given by I = Q / t, where I is current, Q is charge, and t is time.
Correct Answer:
B
— I = Q / t
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Q. What is the relationship between current (I), voltage (V), and resistance (R) in a circuit? (2021)
A.
I = V/R
B.
I = R/V
C.
I = V*R
D.
I = V + R
Show solution
Solution
The relationship is given by Ohm's law: I = V/R.
Correct Answer:
A
— I = V/R
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Q. What is the relationship between electric field (E) and electric potential (V) in a uniform field? (2022)
A.
E = V/d
B.
E = d/V
C.
E = V^2
D.
E = V/d^2
Show solution
Solution
In a uniform electric field, the electric field E is related to the potential difference V and the distance d by the equation E = V/d.
Correct Answer:
A
— E = V/d
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Q. What is the relationship between frequency (f) and period (T) of a wave? (2023)
A.
f = T
B.
f = 1/T
C.
f = T^2
D.
f = 2πT
Show solution
Solution
The frequency (f) is the reciprocal of the period (T), given by the formula f = 1/T.
Correct Answer:
B
— f = 1/T
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Q. What is the relationship between frequency and period of a wave? (2020)
A.
Frequency = Period × Speed
B.
Frequency = 1/Period
C.
Frequency = Speed × Wavelength
D.
Frequency = Wavelength/Speed
Show solution
Solution
The frequency (f) of a wave is the reciprocal of the period (T), given by the formula f = 1/T.
Correct Answer:
B
— Frequency = 1/Period
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Q. What is the relationship between frequency and the time period of an AC signal? (2023)
A.
Frequency = Time period × 2
B.
Frequency = 1 / Time period
C.
Frequency = Time period / 2
D.
Frequency = Time period × π
Show solution
Solution
The frequency (f) is the reciprocal of the time period (T), given by f = 1 / T.
Correct Answer:
B
— Frequency = 1 / Time period
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Q. What is the relationship between magnetic field strength and distance from a long straight conductor? (2023)
A.
Increases with distance
B.
Decreases with distance
C.
Remains constant
D.
Increases then decreases
Show solution
Solution
The magnetic field strength around a long straight conductor decreases with distance from the conductor, following the inverse relationship.
Correct Answer:
B
— Decreases with distance
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Q. What is the relationship between pressure and depth in a fluid at rest? (2019)
A.
Pressure increases with depth
B.
Pressure decreases with depth
C.
Pressure remains constant
D.
Pressure varies randomly
Show solution
Solution
In a fluid at rest, pressure increases with depth due to the weight of the fluid above.
Correct Answer:
A
— Pressure increases with depth
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Q. What is the relationship between RMS and average value of an AC waveform? (2023)
A.
RMS = Average
B.
RMS = Average × √2
C.
RMS = Average / √2
D.
RMS = Average × 2
Show solution
Solution
For a sinusoidal AC waveform, the RMS value is related to the average value by RMS = Average / √2.
Correct Answer:
C
— RMS = Average / √2
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Q. What is the relationship between the equilibrium constant (K) and the Gibbs free energy change (ΔG) at standard conditions? (2022)
A.
ΔG = -RT ln(K)
B.
ΔG = RT ln(K)
C.
ΔG = KRT
D.
ΔG = K/R
Show solution
Solution
The relationship is given by ΔG = -RT ln(K), where R is the gas constant and T is the temperature in Kelvin.
Correct Answer:
A
— ΔG = -RT ln(K)
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Q. What is the relationship between the frequency and the inductive reactance in an AC circuit? (2022)
A.
Directly proportional
B.
Inversely proportional
C.
No relation
D.
Exponential relation
Show solution
Solution
Inductive reactance is directly proportional to the frequency of the AC source.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the frequency and the inductive reactance? (2023)
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponentially related
Show solution
Solution
Inductive reactance (X_L) is directly proportional to frequency (f), as given by the formula X_L = 2πfL.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the number of turns in the primary and secondary coils of a transformer and the voltages across them? (2023)
A.
V_p/V_s = N_p/N_s
B.
V_p/V_s = N_s/N_p
C.
V_p = V_s
D.
V_p + V_s = 0
Show solution
Solution
The relationship is given by V_p/V_s = N_p/N_s, where V is voltage and N is the number of turns.
Correct Answer:
A
— V_p/V_s = N_p/N_s
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Q. What is the relationship between the rate of a reaction and the concentration of reactants according to the rate law? (2019)
A.
Directly proportional
B.
Inversely proportional
C.
Exponential
D.
No relationship
Show solution
Solution
The rate of a reaction is directly proportional to the concentration of reactants raised to their respective powers in the rate law.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the RMS and average value of a sinusoidal AC current? (2023)
A.
RMS = Average
B.
RMS = Average × √2
C.
RMS = Average / √2
D.
RMS = Average × 2
Show solution
Solution
For a sinusoidal AC current, the relationship is RMS = Average / √2.
Correct Answer:
C
— RMS = Average / √2
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Q. What is the relationship between the units of pressure in SI? (2019)
A.
1 Pa = 1 N/m²
B.
1 Pa = 1 kg/m·s²
C.
Both are correct
D.
None of the above
Show solution
Solution
Both statements are correct; 1 Pascal (Pa) is defined as 1 Newton per square meter.
Correct Answer:
C
— Both are correct
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Q. What is the relationship between the vapor pressure of a solution and the mole fraction of the solvent? (2023)
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential relationship
Show solution
Solution
The vapor pressure of a solution is directly proportional to the mole fraction of the solvent.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between voltage, current, and resistance as described by Ohm's Law? (2021)
A.
V = I + R
B.
V = I * R
C.
V = I / R
D.
V = R / I
Show solution
Solution
Ohm's Law states that the voltage (V) across a conductor is directly proportional to the current (I) flowing through it, with the resistance (R) being the constant of proportionality. Therefore, V = I * R.
Correct Answer:
B
— V = I * R
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Q. What is the relationship between voltage, current, and resistance as stated by Ohm's Law? (2021)
A.
V = I + R
B.
V = I * R
C.
V = I / R
D.
V = R / I
Show solution
Solution
Ohm's Law states that the voltage (V) across a conductor is directly proportional to the current (I) flowing through it, with the resistance (R) being the constant of proportionality. Therefore, V = I * R.
Correct Answer:
B
— V = I * R
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Q. What is the repeating unit of polystyrene? (2021)
A.
-CH2-CH2-
B.
-CH=CH2-
C.
-C6H5-
D.
-C3H6-
Show solution
Solution
The repeating unit of polystyrene is derived from the monomer styrene, which has the structure -CH=CH2-.
Correct Answer:
B
— -CH=CH2-
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Q. What is the resonant frequency of a series RLC circuit? (2020)
A.
f = 1/(2π√(LC))
B.
f = R/(2πL)
C.
f = 2π√(LC)
D.
f = 1/(2πR)
Show solution
Solution
The resonant frequency (f) of a series RLC circuit is given by the formula f = 1/(2π√(LC)).
Correct Answer:
A
— f = 1/(2π√(LC))
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Q. What is the resting membrane potential of a typical neuron? (2020)
A.
-70 mV
B.
-50 mV
C.
0 mV
D.
+30 mV
Show solution
Solution
The resting membrane potential of a typical neuron is approximately -70 mV.
Correct Answer:
A
— -70 mV
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Q. What is the result of cytokinesis in animal cells? (2020)
A.
Formation of a cell plate
B.
Formation of two daughter cells
C.
Replication of DNA
D.
Separation of sister chromatids
Show solution
Solution
Cytokinesis results in the physical separation of the cytoplasm, leading to the formation of two daughter cells.
Correct Answer:
B
— Formation of two daughter cells
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Q. What is the role of a capacitor in a semiconductor circuit? (2019)
A.
To store charge
B.
To amplify signals
C.
To rectify current
D.
To generate heat
Show solution
Solution
A capacitor is used in semiconductor circuits to store charge temporarily.
Correct Answer:
A
— To store charge
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Showing 1441 to 1470 of 2984 (100 Pages)
NEET MCQ & Objective Questions
The National Eligibility cum Entrance Test (NEET) is a crucial examination for aspiring medical students in India. Scoring well in NEET can open doors to prestigious medical colleges, making it essential for students to prepare effectively. Practicing NEET MCQs and objective questions not only enhances understanding but also boosts confidence, ensuring you are well-prepared for the exam. Engaging with practice questions helps identify important topics and improves your ability to tackle various question formats.
What You Will Practise Here
Human Anatomy and Physiology
Biochemistry and Molecular Biology
Genetics and Evolution
Plant and Animal Physiology
Ecology and Environment
Physics Concepts Relevant to Biology
Important NEET questions on Chemical Bonding and Reactions
Exam Relevance
NEET is aligned with the syllabus of CBSE and various State Boards, ensuring that the topics covered are relevant for both school exams and competitive tests like JEE. Common question patterns include multiple-choice questions that assess conceptual understanding and application of knowledge. By focusing on NEET objective questions, students can familiarize themselves with the exam format and improve their time management skills during the actual test.
Common Mistakes Students Make
Misinterpreting questions due to lack of careful reading.
Overlooking the importance of diagrams and visual aids in biology.
Neglecting to review basic concepts that are foundational for advanced topics.
Confusing similar terms and definitions, especially in biochemistry.
FAQs
Question: How can I improve my NEET MCQ solving skills?Answer: Regular practice with NEET MCQ questions and reviewing explanations for both correct and incorrect answers can significantly enhance your skills.
Question: Are there specific topics I should focus on for NEET preparation?Answer: Yes, focus on high-weightage topics like Human Physiology, Genetics, and Ecology, as they frequently appear in exams.
Start your journey towards success by solving NEET practice MCQs today! Test your understanding, identify your strengths and weaknesses, and prepare effectively for your upcoming exams.
