Plant Reproduction: Asexual and Sexual Methods
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Questions and Answers

What is a common result of vegetative reproduction in plants?

  • New plants exhibit increased genetic diversity.
  • New plants develop unique genetic traits.
  • New plants can only reproduce sexually.
  • New plants are genetically identical to their parents. (correct)

Which method of vegetative reproduction involves joining parts of two different plants?

  • Grafting (correct)
  • Budding
  • Tissue Culture
  • Cutting

In which stage of sexual reproduction does meiosis occur?

  • Fertilization
  • Post-fertilization
  • All stages
  • Pre-fertilization (correct)

What is the main purpose of the flower in plants?

<p>To facilitate sexual reproduction (C)</p> Signup and view all the answers

What is the term for the fusion of compatible gametes in plants?

<p>Fertilization (D)</p> Signup and view all the answers

Which of the following is not a method of vegetative reproduction?

<p>Cross-pollination (C)</p> Signup and view all the answers

What is the significance of creating genetically diverse offspring through sexual reproduction?

<p>To ensure adaptability and survival of species (D)</p> Signup and view all the answers

In tissue culture, what part of the plant is primarily utilized for propagation?

<p>A small piece of plant tissue (B)</p> Signup and view all the answers

What is the primary outcome of vegetative reproduction in plants?

<p>Genetically identical offspring (C)</p> Signup and view all the answers

Which method of vegetative reproduction is characterized by using a small plant part with buds for propagation?

<p>Cutting (D)</p> Signup and view all the answers

What is the role of the flower in sexual reproduction?

<p>To produce haploid gametes and ensure fertilization (A)</p> Signup and view all the answers

Which of the following accurately describes the process of grafting?

<p>Joining parts of two plants to grow as one (C)</p> Signup and view all the answers

During which stage of sexual reproduction does the formation of a diploid zygote occur?

<p>Fertilization (D)</p> Signup and view all the answers

What type of reproduction creates genetically diverse offspring in plants?

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

In tissue culture, what is primarily used to generate multiple new plants?

<p>Small amounts of plant tissue (A)</p> Signup and view all the answers

What is created through meiosis during sexual reproduction in plants?

<p>Haploid gametes (D)</p> Signup and view all the answers

Flashcards

Vegetative Reproduction

Asexual reproduction of plants using their vegetative parts, resulting in genetically identical offspring.

Cutting (vegetative)

A method of vegetative reproduction where a small piece of a plant (stem, leaf, or root) is used to grow a new plant.

Grafting

Joining parts of two plants for growth as a single plant, usually involving a scion (budding stem) and a stock (rooted plant).

Tissue Culture

A method of vegetative reproduction where a small piece of plant tissue is used to grow many new plants in a laboratory.

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Sexual Reproduction

Reproduction involving the fusion of male and female gametes (sex cells) to create a new organism.

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Gametes

Sex cells (sperm and egg) involved in sexual reproduction.

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Flower

The specialized structure in flowering plants for sexual reproduction.

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Meiosis

A type of cell division that reduces the chromosome number by half.

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Sexual Reproduction (Plants)

Reproduction involving the fusion of male and female gametes (pollen and egg) within flowers.

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Flower Parts

Four main parts: Calyx (sepals), Corolla (petals), Androecium (stamens), and Gynoecium (pistil/carpel).

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Meiosis in Sexual Reproduction

Cell division that produces haploid gametes (pollen and egg) from diploid parent cells.

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Fertilization in Plants

The fusion of a male gamete (pollen) with a female gamete (egg) within the flower.

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Importance of Genetic Diversity

Variations in offspring from sexual reproduction increase the chances of survival and adaptation to changing environments

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Study Notes

Vegetative Reproduction

  • Plants reproduce asexually using vegetative parts
  • New plants are genetically identical to parent plants
  • Agriculture and horticulture use methods like cuttings, grafting, tissue culture to propagate plants
  • Examples of methods :
    • Cuttings: a piece of a plant with buds
    • Grafting: a portion of a stem (scion) is joined to a rooted plant (stock)
    • Tissue culture: growing a small amount of plant tissue

Sexual Reproduction

  • Fusion of two compatible gametes (sex cells)
  • Maturity is needed to reproduce sexually
  • End of the juvenile/vegetative phase signifies the reproductive phase in plants
  • Flowers are specialized reproductive structures that make haploid gametes
  • Flower parts: calyx, corolla, androecium, gynoecium
  • Sexual reproduction involves meiosis and fusion of gametes, producing a diploid zygote and genetically diverse offspring
  • This is important for species' survival and evolution
  • Stages in sexual reproduction:
    • Pre-fertilization
    • Fertilization
    • Post-fertilization

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Description

Explore the fascinating world of plant reproduction through this quiz. Learn about vegetative reproduction techniques like cuttings and grafting, as well as the intricate process of sexual reproduction involving flowers and gametes. Test your knowledge on how these methods contribute to plant survival and diversity.

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