Q. Which of the following is a characteristic of a semiconductor? (2023)
A.
High conductivity at all temperatures
B.
Zero conductivity at absolute zero
C.
Infinite resistance
D.
Conductivity only at high temperatures
Show solution
Solution
Semiconductors have zero conductivity at absolute zero and their conductivity increases with temperature.
Correct Answer:
B
— Zero conductivity at absolute zero
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Q. Which of the following is a characteristic of a stable ecosystem? (2023)
A.
High biodiversity
B.
Low productivity
C.
Limited interactions
D.
Constant change
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Solution
High biodiversity is a characteristic of a stable ecosystem, as it enhances resilience and stability.
Correct Answer:
A
— High biodiversity
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Q. Which of the following is a characteristic of a Zener diode? (2019)
A.
Used for rectification
B.
Operates in reverse bias
C.
Has a high forward voltage drop
D.
Acts as a switch
Show solution
Solution
A Zener diode is designed to operate in reverse bias and maintain a constant voltage.
Correct Answer:
B
— Operates in reverse bias
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Q. Which of the following is a characteristic of addition polymers? (2019)
A.
Formed by condensation
B.
Involves the elimination of small molecules
C.
Monomers have double bonds
D.
Decomposes easily
Show solution
Solution
Addition polymers are formed from monomers that contain double bonds, which open up to form long chains.
Correct Answer:
C
— Monomers have double bonds
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Q. Which of the following is a characteristic of algae? (2019)
A.
They are all terrestrial
B.
They are autotrophic
C.
They have true roots
D.
They are vascular plants
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Solution
Algae are primarily autotrophic organisms that can perform photosynthesis.
Correct Answer:
B
— They are autotrophic
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Q. Which of the following is a characteristic of all living organisms? (2023)
A.
Ability to photosynthesize
B.
Ability to move from one place to another
C.
Ability to respond to stimuli
D.
Ability to produce heat
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Solution
The ability to respond to stimuli is a characteristic of all living organisms, allowing them to interact with their environment.
Correct Answer:
C
— Ability to respond to stimuli
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Q. Which of the following is a characteristic of aromatic hydrocarbons? (2023)
A.
They are saturated
B.
They have a pleasant smell
C.
They are highly reactive
D.
They contain double bonds only
Show solution
Solution
Aromatic hydrocarbons are known for their pleasant smell and contain a stable ring structure.
Correct Answer:
B
— They have a pleasant smell
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Q. Which of the following is a characteristic of asexual reproduction? (2019)
A.
Involves two parents
B.
Produces genetically identical offspring
C.
Requires gametes
D.
Occurs in higher organisms only
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Solution
Asexual reproduction produces genetically identical offspring from a single parent.
Correct Answer:
B
— Produces genetically identical offspring
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Q. Which of the following is a characteristic of brittle materials? (2020)
A.
High ductility
B.
Low tensile strength
C.
Low elasticity
D.
Fracture without significant deformation
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Solution
Brittle materials fracture without significant deformation.
Correct Answer:
D
— Fracture without significant deformation
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Q. Which of the following is a characteristic of bryophytes? (2019)
A.
Presence of true roots
B.
Presence of xylem and phloem
C.
Moist habitats
D.
All of the above
Show solution
Solution
Bryophytes are typically found in moist habitats and do not have true roots, xylem, or phloem.
Correct Answer:
C
— Moist habitats
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Q. Which of the following is a characteristic of complete flowers? (2022)
A.
Lack of sepals
B.
Presence of both male and female parts
C.
Only male parts
D.
Only female parts
Show solution
Solution
Complete flowers have all four whorls: sepals, petals, stamens, and carpels.
Correct Answer:
B
— Presence of both male and female parts
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Q. Which of the following is a characteristic of cross-linked polymers? (2023)
A.
Flexible
B.
Linear structure
C.
High melting point
D.
Low tensile strength
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Solution
Cross-linked polymers have a three-dimensional network structure, which gives them a high melting point and strength.
Correct Answer:
C
— High melting point
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Q. Which of the following is a characteristic of dicots? (2022)
A.
Single cotyledon
B.
Net-like leaf venation
C.
Scattered vascular bundles
D.
Fibrous root system
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Solution
Dicots are characterized by having net-like leaf venation and two cotyledons.
Correct Answer:
B
— Net-like leaf venation
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Q. Which of the following is a characteristic of dicotyledons? (2019)
A.
Two cotyledons
B.
Parallel venation
C.
Fibrous root system
D.
Single flower part
Show solution
Solution
Dicotyledons are characterized by having two cotyledons in their seeds.
Correct Answer:
A
— Two cotyledons
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Q. Which of the following is a characteristic of elastic materials? (2023)
A.
They return to original shape after deformation
B.
They permanently deform
C.
They break easily
D.
They are always brittle
Show solution
Solution
Elastic materials return to their original shape after the removal of the applied force.
Correct Answer:
A
— They return to original shape after deformation
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Q. Which of the following is a characteristic of essential amino acids? (2019)
A.
Can be synthesized by the body
B.
Must be obtained from diet
C.
Are not required for protein synthesis
D.
Are only found in animal products
Show solution
Solution
Essential amino acids cannot be synthesized by the body and must be obtained through the diet.
Correct Answer:
B
— Must be obtained from diet
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Q. Which of the following is a characteristic of essential oils? (2019)
A.
Water-soluble
B.
Volatile
C.
Non-toxic
D.
All of the above
Show solution
Solution
Essential oils are volatile compounds that are often used for their aromatic properties and therapeutic benefits.
Correct Answer:
B
— Volatile
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Q. Which of the following is a characteristic of ethers? (2019)
A.
Higher boiling point than alcohols
B.
Lower boiling point than alcohols
C.
Soluble in water
D.
Flammable
Show solution
Solution
Ethers generally have lower boiling points than alcohols due to the absence of hydrogen bonding.
Correct Answer:
B
— Lower boiling point than alcohols
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Q. Which of the following is a characteristic of eukaryotic cells? (2019)
A.
No nucleus
B.
Circular DNA
C.
Membrane-bound organelles
D.
Binary fission
Show solution
Solution
Eukaryotic cells are characterized by the presence of membrane-bound organelles, including a nucleus.
Correct Answer:
C
— Membrane-bound organelles
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Q. Which of the following is a characteristic of eukaryotic genes? (2023)
A.
They are polycistronic
B.
They contain introns
C.
They lack regulatory sequences
D.
They are circular
Show solution
Solution
Eukaryotic genes often contain introns, which are non-coding sequences that are removed during RNA processing.
Correct Answer:
B
— They contain introns
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Q. Which of the following is a characteristic of genetically modified organisms (GMOs)? (2023)
A.
They are always harmful to the environment
B.
They contain genes from other species
C.
They cannot reproduce
D.
They are not regulated by any laws
Show solution
Solution
GMOs are organisms whose genetic material has been altered using genetic engineering techniques, often incorporating genes from other species.
Correct Answer:
B
— They contain genes from other species
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Q. Which of the following is a characteristic of gibberellins? (2019)
A.
Inhibition of seed germination
B.
Promotion of flowering
C.
Stimulation of leaf senescence
D.
Inhibition of stem elongation
Show solution
Solution
Gibberellins promote flowering and are also involved in seed germination and stem elongation.
Correct Answer:
B
— Promotion of flowering
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Q. Which of the following is a characteristic of ionic solids? (2020)
A.
High electrical conductivity in solid state
B.
High melting point
C.
Low density
D.
Malleable
Show solution
Solution
Ionic solids are characterized by high melting points due to the strong electrostatic forces between the ions.
Correct Answer:
B
— High melting point
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Q. Which of the following is a characteristic of isomers? (2022)
A.
Same molecular formula
B.
Different molecular formula
C.
Same physical properties
D.
Same structural formula
Show solution
Solution
Isomers have the same molecular formula but different structural or spatial arrangements.
Correct Answer:
A
— Same molecular formula
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Q. Which of the following is a characteristic of life? (2022)
A.
Ability to evolve
B.
Ability to freeze
C.
Ability to dissolve
D.
Ability to float
Show solution
Solution
The ability to evolve is a characteristic of life, allowing organisms to adapt to their environment over generations.
Correct Answer:
A
— Ability to evolve
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Q. Which of the following is a characteristic of living organisms? (2022)
A.
They can exist in isolation
B.
They can evolve
C.
They do not require energy
D.
They cannot adapt
Show solution
Solution
Living organisms can evolve over time, which is a fundamental characteristic of life.
Correct Answer:
B
— They can evolve
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Q. Which of the following is a characteristic of meristematic tissue? (2022)
A.
It is differentiated
B.
It has the ability to divide
C.
It is dead
D.
It is found in mature tissues
Show solution
Solution
Meristematic tissue is characterized by its ability to divide and give rise to various types of plant tissues.
Correct Answer:
B
— It has the ability to divide
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Q. Which of the following is a characteristic of multilayer adsorption? (2019)
A.
Occurs at low pressures only
B.
Described by the Langmuir isotherm
C.
Described by the BET theory
D.
Involves only physical adsorption
Show solution
Solution
Multilayer adsorption is described by the BET theory, which accounts for the formation of multiple layers of adsorbate on the adsorbent.
Correct Answer:
C
— Described by the BET theory
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Q. Which of the following is a characteristic of nuclear fusion? (2023)
A.
Releases energy
B.
Requires high temperature
C.
Occurs in stars
D.
All of the above
Show solution
Solution
Nuclear fusion releases energy, requires high temperatures, and occurs in stars, making all options correct.
Correct Answer:
D
— All of the above
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Q. Which of the following is a characteristic of nuclear reactions compared to chemical reactions? (2023)
A.
Involves electrons
B.
Involves large energy changes
C.
Involves only valence electrons
D.
Involves breaking of chemical bonds
Show solution
Solution
Nuclear reactions involve large energy changes due to the conversion of mass into energy, unlike chemical reactions.
Correct Answer:
B
— Involves large energy changes
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Showing 2161 to 2190 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.
