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Reproduction in Hydra and Plant Propagation
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Reproduction in Hydra and Plant Propagation

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Questions and Answers

What is the advantage of germination of seeds for plants?

  • Seeds ensure asexual reproduction, leading to genetic diversity.
  • Seeds lead to regeneration of lost body parts in plants.
  • Seeds contain the future plant embryo, ensuring continuity of the plant species. (correct)
  • Seeds facilitate vegetative propagation by forming new individuals.
  • Why is sexual reproduction significant for humans?

  • Sexual reproduction leads to genetic diversity and adaptability to changing environments. (correct)
  • Sexual reproduction allows for rapid increase in population size.
  • Sexual reproduction guarantees asexually reproduced offspring.
  • Sexual reproduction ensures identical offspring with no genetic variation.
  • What is a limitation of regeneration in complex organisms like humans?

  • Regeneration leads to rapid healing of wounds.
  • Regeneration cannot replace highly specialized organs like the heart or brain. (correct)
  • Regeneration allows for complete regrowth of lost body parts.
  • Regeneration results in immediate genetic variation.
  • How does vegetative propagation benefit plants?

    <p>Vegetative propagation allows plants to reproduce without seeds.</p> Signup and view all the answers

    Which process ensures genetic diversity in a species?

    <p>Sexual reproduction</p> Signup and view all the answers

    What differentiates vegetative propagation from seed formation in plants?

    <p>Seed formation involves sexual reproduction, while vegetative propagation does not.</p> Signup and view all the answers

    What is the limitation of asexual reproduction?

    <p>Does not lead to genetic diversity</p> Signup and view all the answers

    Why is sexual reproduction significant?

    <p>Increases genetic variation</p> Signup and view all the answers

    What is a limitation of regeneration in complex organisms?

    <p>Can only occur in simple organisms</p> Signup and view all the answers

    What is the significance of vegetative propagation in plants?

    <p>Allows for reproduction without seeds</p> Signup and view all the answers

    In tissue culture, what happens after cells are placed in an artificial medium?

    <p>Cells divide rapidly to form callus</p> Signup and view all the answers

    Why is tissue culture commonly used for ornamental plants?

    <p>To maintain disease-free conditions</p> Signup and view all the answers

    What is a limitation of asexual reproduction in terms of genetic diversity?

    <p>It results in offspring that are genetically identical to the parent.</p> Signup and view all the answers

    Why is sexual reproduction significant for organisms?

    <p>It results in offspring with high genetic diversity.</p> Signup and view all the answers

    What is a limitation of regeneration in complex organisms like humans?

    <p>Regeneration cannot replace lost limbs or organs in humans.</p> Signup and view all the answers

    Which statement best describes vegetative propagation?

    <p>Vegetative propagation leads to plants that are genetically similar to the parent plant.</p> Signup and view all the answers

    What is a common agricultural use of vegetative propagation?

    <p>Growing plants like sugarcane and grapes for agricultural purposes.</p> Signup and view all the answers

    Why does vegetative propagation lead to earlier flowering and fruiting in plants?

    <p>As plants raised by vegetative propagation are clones of the parent plant.</p> Signup and view all the answers

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