Science Marking Scheme Term-II, 2022
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Questions and Answers

What is the X in the marking scheme for the subject Science?

  • Intermolecular forces
  • Group Number (correct)
  • Progeny
  • Total Marks
  • In the context of Planaria Regeneration, what is the reason that specialised cells are not present in spirogyra?

  • Stamens and Pistil
  • Hydra
  • Inaccurate DNA copying (correct)
  • Weak intermolecular forces
  • What is the intermolecular force that is not strong according to the marking scheme for Science?

  • Fleming’s left-hand rule
  • Mustard and Hibiscus
  • C3H8 (correct)
  • CH4
  • Which of the following represents F2 Progeny in the context of Science?

    <p>Violet flowered plants</p> Signup and view all the answers

    In the marking scheme for Science, what is represented by 'XY'?

    <p>Stamens and Pistil / Carpel</p> Signup and view all the answers

    According to the marking scheme for Science, which pair of reasons explains the differences in traits shown by individuals of a species?

    <p>Inaccurate DNA copying, Weak intermolecular forces</p> Signup and view all the answers

    According to the given text, if the first finger points in the direction of the magnetic field and the second finger in the direction of current, then the thumb will point in the direction of ________________.

    <p>force acting on the conductor</p> Signup and view all the answers

    Based on the information provided, which statement best describes ozone?

    <p>Ozone is a molecule formed by three atoms of oxygen.</p> Signup and view all the answers

    From the given text, it can be inferred that the depletion of the ozone layer ________________.

    <p>causes harmful effects on organisms</p> Signup and view all the answers

    According to the text, which ecosystem is described as artificial and needing regular cleaning for proper functioning?

    <p>Aquarium ecosystem</p> Signup and view all the answers

    Based on the information provided, which property is described as more fundamental and decisive for an element?

    <p>Atomic number</p> Signup and view all the answers

    From the given text, what is the molecular formula for butane?

    <p>$C_4H_10$</p> Signup and view all the answers

    According to the text, what type of bond is present in benzene (C6H6)?

    <p>Single bond</p> Signup and view all the answers

    What is the correct resistance between points C and D in the given circuit diagram?

    <p>$\frac{5}{10} \Omega$</p> Signup and view all the answers

    What is the SI unit for electric power dissipated in an electric circuit?

    <p>Watt / V.A / joule per second</p> Signup and view all the answers

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