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Reproduction in Plants

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  • What are the differences between sexual and asexual reproduction?
    Differences between Sexual and Asexual Reproduction
  • What is shown in this picture? Explain the process and label the parts properly.
    Fertilization. It is the process in which male and female gamete (ovum) fuse together to form a zygote. A- Pollen grain; B- Pollen tube; C- Zygote formation
  • Bryophyllum can reproduce by its (i) stem (ii) leaves (iii) roots (iv) flower
    Bryophyllum reproduce by its leaves.
  • What is shown in the given image? Define the process.
    Budding in Yeast. It is a mode of asexual reproduction in which tiny buds gradually grows from the parent cell and once they are mature they detach from parent.
  • Identify the following picture. Label the following parts properly.
    These are the male (Stamen on left) and female (Pistil on right) reproductive parts of a flower. A- Anther; B- Filament; C- Stigma; D-Style; E-Ovule
  • What is shown in the given image? Define the process.
    Fragmentation in spirogyra. It is a mode of asexual reproduction in which the parent cell divides into fragments which then develop into new individuals.
  • What is shown in the given image? Define the process and label it properly.
    Spore formation. A type of asexual reproduction in which spores released from sporangia grows and forms a new individual where they find favorable conditions.
  • A spore producing organism is (i) rose (ii) bread mould (iii) potato (iv) ginger
    Bread mould.
  • What is shown in the given picture? Give reason for your answer and examples also.
    It is a Bisexual flower as it contains both stamen and carpel. Example- Hibiscus, rose, sunflower, mustard etc.
  • A person planted a rose stem into the soil and took care of it. After few days, it grew into a rose plant. How did it happen?
    It happened due to vegetative propagation. It is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds.
  • Define seed dispersal and its advantages.
    It is the spread or transport of seeds away from the parent plant. It helps plants to prevent overcrowding and competition for resources and invading new areas.
  • After fertilization, what happens to the rest of the structures other than zygote?
    After fertilization, ovary grows into a fruit. Ovule develops into seeds. Rest of the parts of the flower fall off.
  • How do spores and pollen grains withstand the outer harsh environment?
    They both have thick hard protective coat to withstand unfavorable conditions such as high temperature and low humidity.
  • The process of fusion of the male and the female gametes is called (i) fertilisation (ii) pollination (iii) reproduction (iv) seed formation
    The process of fusion of male and female gametes is called fertilisation.
  • How does a pollen grain get transferred from anther to stigma?
    Pollen grains get transferred through different mediums such as air, water, insects, animals etc.
  • What is shown in the given picture? Give reason for your answer and examples also.
    It is a Unisexual flower as it only contains either stamen or carpel. Example- Maize,papaya,cucumber etc.
  • What is shown in the image?
    Pollination. It is the transfer of pollen grains from the anther to stigma. It is of two types- self pollination and cross pollination.
  • Mature ovary forms the (i) seed (ii) stamen (iii) pistil (iv) fruit
    Mature ovary forms the FRUIT.
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