Q. Which of the following processes involves the conversion of mRNA into a protein? (2022)
A.
Transcription
B.
Translation
C.
Replication
D.
Translocation
Show solution
Solution
Translation is the process where mRNA is decoded to produce a protein.
Correct Answer:
B
— Translation
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Q. Which of the following processes involves the emission of a positron? (2019)
A.
Alpha decay
B.
Beta decay
C.
Gamma decay
D.
Neutron capture
Show solution
Solution
Beta decay involves the emission of a positron, which is the antimatter counterpart of an electron.
Correct Answer:
B
— Beta decay
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Q. Which of the following processes involves the synthesis of proteins? (2022)
A.
Replication
B.
Transcription
C.
Translation
D.
Translocation
Show solution
Solution
Translation is the process that involves the synthesis of proteins from mRNA.
Correct Answer:
C
— Translation
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Q. Which of the following processes involves the transfer of genetic material between bacteria? (2022)
A.
Transcription
B.
Translation
C.
Transformation
D.
Transduction
Show solution
Solution
Transformation is the process by which bacteria take up foreign DNA from their environment.
Correct Answer:
C
— Transformation
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Q. Which of the following processes involves the transfer of heat through a fluid? (2021)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
Convection is the process that involves the transfer of heat through a fluid (liquid or gas) due to the movement of the fluid itself.
Correct Answer:
B
— Convection
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Q. Which of the following processes involves the transfer of heat through the movement of fluids? (2021)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
Convection involves the transfer of heat through the movement of fluids.
Correct Answer:
B
— Convection
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Q. Which of the following processes is an example of an isochoric process? (2023)
A.
Heating a gas in a closed container
B.
Compressing a gas in a piston
C.
Expanding a gas against a constant pressure
D.
Cooling a gas at constant pressure
Show solution
Solution
An isochoric process is one where the volume remains constant, such as heating a gas in a closed container.
Correct Answer:
A
— Heating a gas in a closed container
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Q. Which of the following processes is directly influenced by auxins? (2021)
A.
Phototropism
B.
Photosynthesis
C.
Respiration
D.
Transpiration
Show solution
Solution
Auxins are responsible for phototropism, the growth of plants towards light.
Correct Answer:
A
— Phototropism
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Q. Which of the following processes is influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
All of the above
Show solution
Solution
Auxins influence various processes including phototropism, gravitropism, and apical dominance.
Correct Answer:
D
— All of the above
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Q. Which of the following processes is NOT directly influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
Photosynthesis
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Solution
Photosynthesis is not directly influenced by auxins; they mainly affect growth and development processes.
Correct Answer:
D
— Photosynthesis
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Q. Which of the following processes is NOT influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
Fruit ripening
Show solution
Solution
Fruit ripening is primarily influenced by ethylene, not auxins.
Correct Answer:
D
— Fruit ripening
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Q. Which of the following processes is NOT influenced by plant hormones? (2021)
A.
Seed germination
B.
Fruit ripening
C.
Photosynthesis
D.
Flowering
Show solution
Solution
Photosynthesis is a biochemical process that is not directly influenced by plant hormones.
Correct Answer:
C
— Photosynthesis
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Q. Which of the following processes is primarily regulated by auxins? (2021)
A.
Phototropism
B.
Photosynthesis
C.
Respiration
D.
Transpiration
Show solution
Solution
Auxins are primarily responsible for phototropism, the growth of plants towards light.
Correct Answer:
A
— Phototropism
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Q. Which of the following processes occurs during aerobic respiration in plants? (2020)
A.
Fermentation
B.
Glycolysis
C.
Anaerobic respiration
D.
Photosynthesis
Show solution
Solution
Glycolysis is the first step in aerobic respiration, where glucose is broken down to produce energy.
Correct Answer:
B
— Glycolysis
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Q. Which of the following processes occurs during expiration? (2023)
A.
Diaphragm contracts
B.
Intercostal muscles relax
C.
Lungs expand
D.
Air is drawn in
Show solution
Solution
During expiration, the diaphragm relaxes and the intercostal muscles also relax, leading to a decrease in thoracic volume and expulsion of air from the lungs.
Correct Answer:
B
— Intercostal muscles relax
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Q. Which of the following processes occurs during the light-dependent reactions of photosynthesis? (2020)
A.
Calvin cycle
B.
Photolysis of water
C.
Carbon fixation
D.
Synthesis of glucose
Show solution
Solution
Photolysis of water occurs during the light-dependent reactions, producing oxygen and electrons.
Correct Answer:
B
— Photolysis of water
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Q. Which of the following processes occurs in the mitochondria? (2019)
A.
Photosynthesis
B.
Cellular respiration
C.
Protein synthesis
D.
DNA replication
Show solution
Solution
Mitochondria are known as the powerhouses of the cell, where cellular respiration occurs to produce ATP.
Correct Answer:
B
— Cellular respiration
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Q. Which of the following processes occurs in the thylakoid membranes of chloroplasts? (2020)
A.
Calvin cycle
B.
Light-dependent reactions
C.
Light-independent reactions
D.
Photorespiration
Show solution
Solution
The light-dependent reactions of photosynthesis occur in the thylakoid membranes.
Correct Answer:
B
— Light-dependent reactions
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Q. Which of the following processes occurs in the thylakoid membranes? (2020)
A.
Calvin cycle
B.
Light-dependent reactions
C.
Light-independent reactions
D.
Photorespiration
Show solution
Solution
The light-dependent reactions of photosynthesis occur in the thylakoid membranes.
Correct Answer:
B
— Light-dependent reactions
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Q. Which of the following properties is characteristic of covalent network solids? (2019)
A.
High electrical conductivity
B.
Brittleness
C.
Low melting points
D.
Solubility in water
Show solution
Solution
Covalent network solids are typically brittle due to the strong covalent bonds that do not allow for easy deformation.
Correct Answer:
B
— Brittleness
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Q. Which of the following properties is characteristic of ionic solids? (2021)
A.
High electrical conductivity
B.
Low melting point
C.
Brittleness
D.
Malleability
Show solution
Solution
Ionic solids are typically brittle due to the strong electrostatic forces between the ions, which cause them to shatter when force is applied.
Correct Answer:
C
— Brittleness
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Q. Which of the following properties is typical of metallic solids? (2019)
A.
Brittleness
B.
Electrical conductivity
C.
Low melting point
D.
Insulating nature
Show solution
Solution
Metallic solids are known for their high electrical conductivity due to the presence of free-moving electrons.
Correct Answer:
B
— Electrical conductivity
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Q. Which of the following provides evidence for evolution through common descent? (2010)
A.
Fossil records
B.
Homologous structures
C.
Vestigial organs
D.
All of the above
Show solution
Solution
All of the above options provide evidence for evolution through common descent, showing how different species share common ancestors.
Correct Answer:
D
— All of the above
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Q. Which of the following quantities has dimensions of M^0L^2T^-2? (2021)
A.
Energy
B.
Pressure
C.
Area
D.
Velocity
Show solution
Solution
Area has dimensions of M^0L^2T^-2.
Correct Answer:
C
— Area
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Q. Which of the following quantities has no dimension? (2023)
A.
Angle
B.
Force
C.
Velocity
D.
Acceleration
Show solution
Solution
Angle is a dimensionless quantity.
Correct Answer:
A
— Angle
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Q. Which of the following quantities has the dimension M^0L^1T^-1? (2021)
A.
Velocity
B.
Acceleration
C.
Force
D.
Work
Show solution
Solution
Velocity has the dimension M^0L^1T^-1.
Correct Answer:
A
— Velocity
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Q. Which of the following quantities has the dimension M^1L^2T^-2? (2019)
A.
Work
B.
Power
C.
Energy
D.
Force
Show solution
Solution
Work has the dimension M^1L^2T^-2.
Correct Answer:
A
— Work
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Q. Which of the following quantities has the dimension [M^0 L^0 T^1]? (2022)
A.
Speed
B.
Time
C.
Force
D.
Energy
Show solution
Solution
Time has the dimension [M^0 L^0 T^1].
Correct Answer:
B
— Time
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Q. Which of the following quantities is a vector? (2019)
A.
Speed
B.
Distance
C.
Displacement
D.
Mass
Show solution
Solution
Displacement is a vector quantity as it has both magnitude and direction, while speed, distance, and mass are scalar quantities.
Correct Answer:
C
— Displacement
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Q. Which of the following quantities is conserved in an isolated system? (2023)
A.
Energy
B.
Momentum
C.
Mass
D.
All of the above
Show solution
Solution
In an isolated system, energy, momentum, and mass are all conserved.
Correct Answer:
D
— All of the above
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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.