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Seed Germination and Plant Reproduction
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Seed Germination and Plant Reproduction

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Questions and Answers

What is the primary source of energy for growth and cell division during seed germination?

  • Temperature
  • Food through oxidation (correct)
  • Water
  • Oxygen
  • What is the function of the stamens in a flower?

  • Protection of the flower
  • Formation of the male reproductive whorl (correct)
  • Formation of the female reproductive whorl
  • Production of seeds
  • What is the temperature range required for the germination of seeds of summer plants like rice and maize?

  • 20°C-30°C
  • 10°C-20°C
  • 30°C-50°C
  • 25°C-40°C (correct)
  • Why do some seeds not germinate during summer?

    <p>They require a lower temperature range</p> Signup and view all the answers

    What is the purpose of the activity described in the text?

    <p>To show the importance of water and oxygen for germination</p> Signup and view all the answers

    What happened to seed A in the activity described in the text?

    <p>It failed to germinate because it did not get water</p> Signup and view all the answers

    What is the main function of cotyledons in seeds?

    <p>To provide food to the growing embryo</p> Signup and view all the answers

    What is the characteristic of monocotyledonous seeds?

    <p>They have one cotyledon</p> Signup and view all the answers

    What is the purpose of endosperm in seeds?

    <p>To provide food to the growing embryo</p> Signup and view all the answers

    What is the difference between dicotyledonous and monocotyledonous seeds?

    <p>Dicot seeds have two cotyledons, while monocot seeds have one</p> Signup and view all the answers

    What is the role of the radicle in seed germination?

    <p>It develops into the root</p> Signup and view all the answers

    What is the function of fruit in relation to seeds?

    <p>To protect seeds from harsh climatic conditions</p> Signup and view all the answers

    What is the term for the process of seed germination?

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

    How do seeds with two cotyledons classify?

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

    What is the term for the transfer of pollen grains from one flower to another?

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

    What develops into fruit after fertilisation?

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

    What is the term for the fusion of male and female cells or gametes?

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

    What type of seeds are Pea, Bean, and Gram?

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

    What is the process of distributing fruits and seeds away from the parent plant called?

    <p>Dispersal of fruits and seeds</p> Signup and view all the answers

    What is the main advantage of seed dispersal?

    <p>Ensures the wide distribution of seeds</p> Signup and view all the answers

    Which of the following agents helps in dispersal of seeds to distant places?

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

    What is the characteristic of seeds dispersed by wind?

    <p>They are small and light in weight</p> Signup and view all the answers

    What is the adaptation of seeds dispersed by water?

    <p>They have a spongy or fibrous outer coat</p> Signup and view all the answers

    What is the purpose of the activity 'To study epigeal germination in bean seed'?

    <p>To study the germination of bean seed</p> Signup and view all the answers

    What is the purpose of hooks, spines, or bristles on seeds?

    <p>To attach to animals or clothes for dispersal</p> Signup and view all the answers

    What is the first step in the process of seed germination?

    <p>The seed swells up by taking water</p> Signup and view all the answers

    What is the role of cotyledons in epigeal germination?

    <p>They come out of the soil, become green, and form first leaves</p> Signup and view all the answers

    What is necessary for mature seeds to germinate?

    <p>Receiving sufficient water</p> Signup and view all the answers

    What is the term for the process of seed germination?

    <p>Seed germination</p> Signup and view all the answers

    What type of germination occurs when the cotyledons remain inside the soil?

    <p>Hypogeal germination</p> Signup and view all the answers

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