1.

    Which of the following is NOT a fundamental characteristic of living organisms that distinguishes them from non-living entities?

    A

    Metabolism

    B

    Growth

    C

    Adaptation

    D

    Crystallinity

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Living organisms, Non-living entities, Metabolism, Growth, Adaptation, Crystallinity

    Related Questions

    1.

    Among the given species, which pair is NOT isoelectronic?

    A

    Brβˆ’Br^{-} and Rb+Rb^{+}

    B

    Se2βˆ’Se^{2-} and Sr2+Sr^{2+}

    C

    ArAr and Zn2+Zn^{2+}

    D

    S2βˆ’S^{2-} and K+K^{+}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    PYQ YEAR: 2021
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Atomic Structure, Isoelectronic Species

    2.

    Which characteristic is LEAST reliable for distinguishing between living and non-living entities in extreme environments like deep-sea hydrothermal vents?

    A

    Growth and development.

    B

    Reproduction and heredity.

    C

    Response to stimuli.

    D

    Presence of organic molecules.

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :characteristics of life, extremophiles, abiogenesis, organic molecules

    3.

    The resolving power of a light microscope is primarily limited by:

    A

    The magnification of the objective lens

    B

    The numerical aperture of the condenser

    C

    The thickness of the specimen

    D

    The wavelength of light used

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Microscopy, Resolution, Wavelength, Magnification

    4.

    Arrange the following steps of PCR in the correct sequence:

    (i) Annealing

    (ii) Extension

    (iii) Denaturation

    A

    (i) β†’ (ii) β†’ (iii)

    B

    (iii) β†’ (i) β†’ (ii)

    C

    (ii) β†’ (i) β†’ (iii)

    D

    (i) β†’ (iii) β†’ (ii)

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    PYQ YEAR: 2021
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :PCR, DNA Replication

    5.

    Imagine a scenario where cellular respiration only yielded 2 ATP molecules per glucose molecule. Which biological process would be MOST severely impacted in a multicellular organism?

    A

    Passive diffusion of oxygen

    B

    Facilitated diffusion of glucose

    C

    Osmosis of water

    D

    Active transport across cell membranes

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Hard
    ⚑ Time Required :1.5 mins
    πŸ”„Ncert Concepts :ATP, Respiration, Cellular Processes

    6.

    Which of the following is NOT a fundamental characteristic of living organisms according to NCERT?

    A

    Growth

    B

    Reproduction

    C

    Metabolism

    D

    Entropy

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Living Organisms, Characteristics of Life

    7.

    A novel organism discovered deep within a hydrothermal vent exhibits a cellular structure lacking a defined nucleus and membrane-bound organelles. However, genetic analysis reveals the presence of both DNA and RNA. Based on this information, which of the following domains of life is this organism MOST likely to belong to?

    A

    Bacteria

    B

    Archaea

    C

    Eukarya

    D

    Virus

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Three domains of life, Prokaryotes, Archaea, Extremophiles

    8.

    Imagine a primitive cell lacking membrane-bound organelles. Which of the following biological processes would be MOST severely compromised?

    A

    Glycolysis

    B

    Transcription

    C

    Translation

    D

    Oxidative phosphorylation

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Hard
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Cell Structure, Organelles, Cellular Respiration

    9.

    Which of the following properties of water is LEAST directly responsible for its ability to act as a universal solvent for biological molecules?

    A

    High dielectric constant

    B

    Hydrogen bonding capability

    C

    High heat of vaporization

    D

    Bent molecular geometry

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :1.5 mins
    πŸ”„Ncert Concepts :Properties of Water, Solvent Properties, Hydrogen Bonding

    10.

    The emergent properties of life arise from:

    (A) The unique chemical composition of living matter.

    (B) The complex interactions between the components of living systems.

    (C) The ability of living organisms to defy the laws of thermodynamics.

    (D) The inherent simplicity of basic biological molecules.

    A

    A

    B

    B

    C

    C

    D

    D

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :1.5 mins
    πŸ”„Ncert Concepts :Emergent properties, Levels of organization

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