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Questions and Answers

What should teachers maintain during discussions and activities to enhance student participation?

  • A competitive environment
  • A formal atmosphere
  • Strict guidelines
  • An informal atmosphere (correct)
  • Which of the following is NOT a recommended way for learners to explore their surroundings?

  • Smelling and touching
  • Hearing and asking questions
  • Ignoring sensory input (correct)
  • Watching and tasting
  • What is one learning outcome related to materials and organisms?

  • Classify materials based on observable characteristics (correct)
  • Differentiate materials by their price
  • Determine materials using only visual features
  • Identify materials based solely on taste
  • How should teachers encourage learners to engage with science?

    <p>By organizing Science Days and presentations</p> Signup and view all the answers

    What activity should learners perform to seek answers to their queries?

    <p>Conduct simple investigations</p> Signup and view all the answers

    Which of the following best describes how materials can be differentiated in the context of this curriculum?

    <p>By their functionality and structure</p> Signup and view all the answers

    To effectively analyze recorded data, what should learners be encouraged to do?

    <p>Interpret and analyze the data</p> Signup and view all the answers

    During discussions, what method should be utilized to encourage critical thinking?

    <p>Engaging in debates and reflective questions</p> Signup and view all the answers

    What is the primary use of Shadu soil?

    <p>Creating statues and idols</p> Signup and view all the answers

    What type of soil is primarily found in China and known for its use in crockery?

    <p>China clay</p> Signup and view all the answers

    Which color is characteristic of Terracotta soil?

    <p>Red</p> Signup and view all the answers

    A soil pH of 6.0 is classified as which type of soil?

    <p>Acidic soil</p> Signup and view all the answers

    What effect does continuous use of saline water have on soil?

    <p>Reduces fertility</p> Signup and view all the answers

    What is the purpose of soil testing?

    <p>To analyze the proportion of organic matter and nutrients</p> Signup and view all the answers

    What happens to soil texture when chemical fertilizers are used excessively?

    <p>It gets disturbed</p> Signup and view all the answers

    Which of the following is NOT listed as a cause of diminished soil fertility?

    <p>Crop rotation</p> Signup and view all the answers

    What role do spiny fruits serve for plants?

    <p>To facilitate seed dispersal</p> Signup and view all the answers

    Which type of leaf would likely have a smooth surface?

    <p>A leaf from a banana plant</p> Signup and view all the answers

    How do leaves that close at night primarily function?

    <p>To reduce water loss</p> Signup and view all the answers

    Which plant is most likely to have fleshy leaves?

    <p>A succulent plant</p> Signup and view all the answers

    The spines found on certain leaves serve which primary purpose?

    <p>To deter herbivores</p> Signup and view all the answers

    Which characteristic does not typically describe red flowers?

    <p>Indicating low energy availability</p> Signup and view all the answers

    What distinguishes many-seeded fruits from single-seeded fruits?

    <p>The number of seeds contained</p> Signup and view all the answers

    What common property might be associated with the gases present in air?

    <p>Homogeneous distribution</p> Signup and view all the answers

    What is the primary function of air spaces in the stems and petioles of aquatic plants?

    <p>To enable floating in water</p> Signup and view all the answers

    Why do desert plants typically have short, fibrous roots?

    <p>To search for water in deeper soil layers</p> Signup and view all the answers

    How do cactus plants minimize water loss?

    <p>By having a thick layer of waxy substance on their stems</p> Signup and view all the answers

    What adaptation allows coniferous trees in snowy regions to avoid damage from accumulating snow?

    <p>Conical shape with sloping branches</p> Signup and view all the answers

    Why do the leaves of aquatic plants, like the lotus, not rot in water?

    <p>They have a strong protective covering</p> Signup and view all the answers

    What role do the fleshy stems of desert plants play?

    <p>To store water and food</p> Signup and view all the answers

    What characteristic is commonly found in the roots of desert plants compared to other plants?

    <p>Roots are long and reach deep into the soil</p> Signup and view all the answers

    In what way do sloping branches benefit coniferous trees in snowy regions?

    <p>They prevent snow from accumulating on the branches</p> Signup and view all the answers

    How does the volume of water change when it freezes?

    <p>It increases.</p> Signup and view all the answers

    Why does ice float on water?

    <p>Ice is lighter than water.</p> Signup and view all the answers

    What happens to the density of water when it freezes?

    <p>It decreases.</p> Signup and view all the answers

    Which of the following is the correct formula for calculating density?

    <p>Density = mass / volume</p> Signup and view all the answers

    What unit is commonly used for density?

    <p>grams per cubic centimeter</p> Signup and view all the answers

    When water is cooled, what normally happens to its density?

    <p>Density decreases.</p> Signup and view all the answers

    If the mass of 1 liter of water is 1 kilogram, what is the density of water?

    <p>1 g/cc</p> Signup and view all the answers

    Where does freezing typically start in a glass of water when placed in a freezer?

    <p>At the bottom of the glass.</p> Signup and view all the answers

    What are substances that provide energy required for growth and health in living organisms called?

    <p>Foodstuffs</p> Signup and view all the answers

    Which type of nutrition is characterized by organisms producing their own food?

    <p>Autotrophic nutrition</p> Signup and view all the answers

    Which of the following nutrients is classified as a micro-nutrient?

    <p>Vitamins</p> Signup and view all the answers

    What is malnutrition primarily associated with?

    <p>Deficiencies in essential nutrients</p> Signup and view all the answers

    What is the main function of macro-nutrients in living organisms?

    <p>To provide energy and support growth</p> Signup and view all the answers

    Which process involves the assimilation and digestion of food in living organisms?

    <p>Nutrition</p> Signup and view all the answers

    What is the primary reason for the need for nutrition in living organisms?

    <p>To supply energy and facilitate growth</p> Signup and view all the answers

    What type of nutrition do organisms that depend on others for sustenance exhibit?

    <p>Heterotrophic nutrition</p> Signup and view all the answers

    Study Notes

    General Science Standard Seven

    • Images of a microscope, oil rig, earth's magnetic field lines, plants growing in jars, penguins, a pulley, and a cooking pot on a stove are shown.
    • The image shows a variety of scientific concepts.

    Fundamental Duties

    • It is the duty of every Indian citizen to abide by the Constitution, respect its ideals and institutions, the National Flag and National Anthem.
    • To cherish and follow the noble ideals that inspired our national struggle for freedom.
    • To uphold and protect the sovereignty, unity and integrity of India.
    • To defend the country and render national service when called upon to do so.
    • To promote harmony and the spirit of common brotherhood amongst all the people.
    • To value and preserve the rich heritage of our composite culture.
    • To protect and improve the natural environment including forests, lakes, rivers and wild life.
    • To develop the scientific temper, humanism and the spirit of inquiry and reform.
    • To safeguard public property and to abjure violence.
    • To strive towards excellence in all spheres of individual and collective activity.
    • To provide opportunities for education to his child or ward between the ages of six and fourteen.

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