1.

    The resolution limit of a light microscope is primarily determined by which of the following?

    A

    The magnification power of the ocular lens

    B

    The wavelength of light used and the numerical aperture of the objective lens

    C

    The contrast between the specimen and the background

    D

    The intensity of the light source

    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 :2 mins
    πŸ”„Ncert Concepts :Microscopy, Resolution, Light, Wavelength

    Related Questions

    1.

    Which level of biological organization is represented by a functional unit of interacting organisms and their physical environment?

    A

    Community

    B

    Population

    C

    Organism

    D

    Ecosystem

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Levels of organization

    2.

    Which level of biological organization is just above the cellular level?

    A

    Organ

    B

    Organ system

    C

    Organism

    D

    Tissue

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Levels of organization

    3.

    Which of the following scientific names is INCORRECTLY written according to the rules of binomial nomenclature?

    A

    Mangifera Indica

    B

    Homo sapiens

    C

    Panthera tigris

    D

    Solanum tuberosum

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    PYQ YEAR: 2016
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Binomial Nomenclature, Scientific Names

    4.

    A hypothetical organism exhibits a unique genetic code where codons are composed of 2 nucleotides instead of 3. Assuming all other aspects of protein synthesis are similar to standard biological systems, what is the maximum number of unique amino acids this organism could theoretically code for if it possesses 5 distinct nitrogenous bases in its DNA?

    A

    5

    B

    10

    C

    25

    D

    125

    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 :Genetic Code, Codons, Central Dogma

    5.

    Birds excrete nitrogenous waste primarily as:

    A

    Ammonia

    B

    Urea

    C

    Uric acid

    D

    Creatinine

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    PYQ YEAR: 2022
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Excretion, Nitrogenous Waste, Uric Acid, Bird Physiology

    6.

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

    A

    Cellular organization

    B

    Metabolism

    C

    Multicellularity

    D

    Growth

    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 :1 mins
    πŸ”„Ncert Concepts :characteristics of life, cells, metabolism, growth

    7.

    Biodiversity refers to:

    A

    The study of fossils

    B

    The interactions within an ecosystem

    C

    The number of individuals in a population

    D

    The variety of life on Earth

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Biodiversity, Levels of Biological Organization

    8.

    What is the primary direction of sugar translocation in phloem tissue?

    A

    Unidirectional upwards

    B

    Unidirectional downwards

    C

    Bidirectional

    D

    Random

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    PYQ YEAR: 2019
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Plant Physiology, Transport in Plants, Phloem

    9.

    The 'Living World' exhibits remarkable diversity and complexity. Which of the following is the MOST fundamental characteristic that distinguishes living organisms from non-living matter, considering even the most primitive life forms?

    A

    Presence of organic molecules

    B

    Ability to respond to stimuli

    C

    Capacity for growth and development

    D

    Intrinsic ability to evolve and adapt

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Introduction
    πŸŽ“ Ncert Level:Evaluating
    🎯Difficulty :Hard
    ⚑ Time Required :1.5 mins
    πŸ”„Ncert Concepts :Characteristics of Living Organisms, Evolution

    10.

    Which of the following is NOT a key feature of the scientific method?

    A

    Observation

    B

    Hypothesis formation

    C

    Experimentation

    D

    Proving hypotheses beyond any doubt

    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 :Scientific method

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