Q. Which component of blood is responsible for the immune response? (2020)
A.
Plasma
B.
Red blood cells
C.
White blood cells
D.
Platelets
Show solution
Solution
White blood cells (leukocytes) are responsible for the immune response, helping to fight infections and foreign substances.
Correct Answer:
C
— White blood cells
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Q. Which compound is primarily responsible for the sour taste of vinegar? (2019)
A.
Acetic acid
B.
Citric acid
C.
Lactic acid
D.
Formic acid
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Solution
Acetic acid is the main component of vinegar, giving it its characteristic sour taste.
Correct Answer:
A
— Acetic acid
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Q. Which connective tissue is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Bone
D.
Cartilage
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Solution
Blood is a connective tissue that is responsible for the transport of nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which connective tissue stores fat in the body? (2022)
A.
Adipose Tissue
B.
Cartilage
C.
Bone
D.
Blood
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Solution
Adipose tissue stores fat in the body.
Correct Answer:
A
— Adipose Tissue
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Q. Which connective tissue type is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Cartilage
D.
Bone
Show solution
Solution
Blood is a connective tissue that transports nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which contraceptive method is considered permanent? (2022)
A.
Condoms
B.
IUDs
C.
Tubal ligation
D.
Birth control pills
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Solution
Tubal ligation is a surgical procedure that permanently prevents pregnancy by blocking the fallopian tubes.
Correct Answer:
C
— Tubal ligation
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Q. Which device is used to convert AC to DC? (2023)
A.
Transistor
B.
Diode
C.
Capacitor
D.
Inductor
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Solution
A diode is used to convert alternating current (AC) to direct current (DC) by allowing current to flow in one direction.
Correct Answer:
B
— Diode
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Q. Which disease is caused by a deficiency of Vitamin C? (2022)
A.
Scurvy
B.
Rickets
C.
Beriberi
D.
Pellagra
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Solution
Scurvy is caused by a deficiency of Vitamin C, leading to symptoms like bleeding gums and weakness.
Correct Answer:
A
— Scurvy
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Q. Which element is commonly used in nuclear reactors as fuel? (2022)
A.
Uranium-235
B.
Carbon-12
C.
Hydrogen-1
D.
Oxygen-16
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Solution
Uranium-235 is commonly used as fuel in nuclear reactors due to its ability to sustain a chain reaction.
Correct Answer:
A
— Uranium-235
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Q. Which enzyme is commonly used in the process of DNA cloning? (2022)
A.
DNA polymerase
B.
Restriction endonuclease
C.
Ligase
D.
Reverse transcriptase
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Solution
Restriction endonucleases are used to cut DNA at specific sequences, which is essential for DNA cloning.
Correct Answer:
B
— Restriction endonuclease
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Q. Which enzyme is commonly used in the process of gene cloning? (2018)
A.
DNA polymerase
B.
Ligase
C.
Restriction endonuclease
D.
RNA polymerase
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Solution
Restriction endonucleases are used to cut DNA at specific sequences, facilitating gene cloning.
Correct Answer:
C
— Restriction endonuclease
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Q. Which enzyme is involved in the Krebs cycle during respiration? (2022)
A.
ATP synthase
B.
Hexokinase
C.
Citrate synthase
D.
Pyruvate kinase
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Solution
Citrate synthase is an enzyme involved in the Krebs cycle, catalyzing the first step of the cycle.
Correct Answer:
C
— Citrate synthase
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Q. Which enzyme is responsible for protein digestion in the stomach? (2021)
A.
Amylase
B.
Pepsin
C.
Trypsin
D.
Lipase
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Solution
Pepsin is the enzyme that digests proteins in the acidic environment of the stomach.
Correct Answer:
B
— Pepsin
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Q. Which enzyme is responsible for the digestion of carbohydrates in the mouth? (2021)
A.
Amylase
B.
Pepsin
C.
Lipase
D.
Trypsin
Show solution
Solution
Amylase is the enzyme that breaks down carbohydrates into simpler sugars in the mouth.
Correct Answer:
A
— Amylase
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Q. Which enzyme is responsible for unwinding the DNA double helix during replication? (2021)
A.
DNA polymerase
B.
Helicase
C.
Ligase
D.
Primase
Show solution
Solution
Helicase is the enzyme that unwinds the DNA double helix during the process of replication.
Correct Answer:
B
— Helicase
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Q. Which enzyme is secreted by the pancreas to aid in protein digestion? (2023)
A.
Amylase
B.
Pepsin
C.
Trypsin
D.
Lipase
Show solution
Solution
Trypsin is a pancreatic enzyme that helps in the digestion of proteins in the small intestine.
Correct Answer:
C
— Trypsin
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Q. Which enzyme is secreted by the pancreas to digest proteins? (2023)
A.
Amylase
B.
Pepsin
C.
Trypsin
D.
Lipase
Show solution
Solution
Trypsin is a proteolytic enzyme secreted by the pancreas that digests proteins in the small intestine.
Correct Answer:
C
— Trypsin
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Q. Which force is primarily responsible for holding the nucleus together? (2022)
A.
Gravitational force
B.
Electromagnetic force
C.
Weak nuclear force
D.
Strong nuclear force
Show solution
Solution
The strong nuclear force is responsible for holding the protons and neutrons together in the nucleus.
Correct Answer:
D
— Strong nuclear force
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Q. Which force is responsible for holding the nucleus together? (2019)
A.
Gravitational force
B.
Electromagnetic force
C.
Weak nuclear force
D.
Strong nuclear force
Show solution
Solution
The strong nuclear force is responsible for holding the protons and neutrons together in the nucleus.
Correct Answer:
D
— Strong nuclear force
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Q. Which gas behaves most like an ideal gas under standard conditions? (2019)
A.
Helium
B.
Carbon dioxide
C.
Water vapor
D.
Ammonia
Show solution
Solution
Helium behaves most like an ideal gas under standard conditions due to its low intermolecular forces and small size.
Correct Answer:
A
— Helium
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Q. Which gas behaves most like an ideal gas? (2020)
A.
Helium
B.
Carbon dioxide
C.
Water vapor
D.
Ammonia
Show solution
Solution
Helium behaves most like an ideal gas because it is a monoatomic gas with weak intermolecular forces.
Correct Answer:
A
— Helium
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Q. Which gas is a byproduct of photosynthesis? (2023)
A.
Carbon dioxide
B.
Nitrogen
C.
Oxygen
D.
Methane
Show solution
Solution
Oxygen is released as a byproduct of photosynthesis during the light-dependent reactions.
Correct Answer:
C
— Oxygen
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Q. Which gas is evolved when an acid reacts with a carbonate? (2022)
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Solution
When an acid reacts with a carbonate, carbon dioxide (CO2) gas is evolved.
Correct Answer:
C
— CO2
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Q. Which gas is primarily responsible for the drive to breathe in healthy individuals? (2023)
A.
Oxygen
B.
Carbon dioxide
C.
Nitrogen
D.
Hydrogen
Show solution
Solution
Carbon dioxide levels in the blood primarily drive the urge to breathe; high levels stimulate the respiratory centers in the brain.
Correct Answer:
B
— Carbon dioxide
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Q. Which gas is primarily responsible for the regulation of breathing rate? (2022)
A.
Oxygen
B.
Carbon dioxide
C.
Nitrogen
D.
Hydrogen
Show solution
Solution
Carbon dioxide levels in the blood are the primary factor that regulates the rate of breathing.
Correct Answer:
B
— Carbon dioxide
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Q. Which gas is released as a byproduct of photosynthesis? (2022)
A.
Carbon dioxide
B.
Oxygen
C.
Nitrogen
D.
Methane
Show solution
Solution
Oxygen is released as a byproduct of photosynthesis during the light-dependent reactions.
Correct Answer:
B
— Oxygen
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Q. Which gas is released during the process of respiration in plants? (2022)
A.
Oxygen
B.
Carbon dioxide
C.
Nitrogen
D.
Hydrogen
Show solution
Solution
Carbon dioxide is released as a byproduct during the process of respiration in plants.
Correct Answer:
B
— Carbon dioxide
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Q. Which gas would have the highest root mean square speed at the same temperature? (2019)
A.
Oxygen (O2)
B.
Nitrogen (N2)
C.
Hydrogen (H2)
D.
Carbon Dioxide (CO2)
Show solution
Solution
Hydrogen (H2) has the lowest molar mass among the given gases, thus it has the highest root mean square speed at the same temperature.
Correct Answer:
C
— Hydrogen (H2)
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Q. Which gland is known as the 'master gland' of the endocrine system? (2021)
A.
Thyroid
B.
Pituitary
C.
Adrenal
D.
Pancreas
Show solution
Solution
The pituitary gland is often referred to as the 'master gland' because it regulates the functions of other endocrine glands.
Correct Answer:
B
— Pituitary
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Q. Which group of organisms is known for being autotrophic? (2023)
A.
Animals
B.
Fungi
C.
Plants
D.
Bacteria
Show solution
Solution
Plants are known for being autotrophic as they can produce their own food through photosynthesis.
Correct Answer:
C
— Plants
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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.