Science Module 5: Plant Reproduction Methods

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Questions and Answers

Which response best indicates an understanding of the material covered?

  • I understand this but I feel like I need more practice.
  • I only write the information that I have gathered from the book I read.
  • I was able to use my own idea and the new information I learned to answer.
  • I completely understand this and feel like I could share it to others. (correct)

What does selecting 'I only use the information I get from this material' indicate?

  • The learner applies their own thoughts to the material.
  • The learner combines prior knowledge with new information.
  • The learner's answers are solely based on provided materials. (correct)
  • The learner actively engages with additional resources.

What does feeling 'close to understanding this, but still need help' imply about the learner's engagement?

  • The learner has mastered all concepts thoroughly.
  • The learner has abandoned the task due to frustration.
  • The learner is confident in their answers and sharing them.
  • The learner is actively seeking additional support. (correct)

How would someone who feels they can answer using their own ideas and new information likely approach their learning?

<p>They will integrate both personal insights and acquired knowledge. (C)</p> Signup and view all the answers

What does it suggest if a learner states 'I need more practice'?

<p>The learner recognizes they have not yet fully grasped the content. (D)</p> Signup and view all the answers

Which of the following is NOT an agent of pollination?

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

What type of reproduction occurs through structural modifications in plants?

<p>Natural Vegetative Reproduction (B)</p> Signup and view all the answers

Which plant is known for its ability to cross-pollinate?

<p>Rice (B)</p> Signup and view all the answers

What is considered the most common method of pollination?

<p>Self-pollination (B)</p> Signup and view all the answers

Which of the following fruit trees is least likely to undergo cross-pollination?

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

Which plant reproduces by spreading underground and growing new shoots?

<p>Bamboo (A)</p> Signup and view all the answers

What type of pollination involves transferring pollen from one flower to another flower of the same species?

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

What plant can develop small plants along the edge of its leaves?

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

What is the role of the stigma in a flower?

<p>It serves as the site for pollen grain reception. (C)</p> Signup and view all the answers

Which part of the flower is responsible for fertilization?

<p>Ovary (B)</p> Signup and view all the answers

Which of the following statements describes the process of pollination?

<p>It is the transfer of pollen from the anther to the same flower's stigma. (A)</p> Signup and view all the answers

What is the primary function of the stamen in a flower?

<p>To produce and release pollen. (C)</p> Signup and view all the answers

What connects the stigma to the ovary in a flower?

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

What is the primary function of pollination in plants?

<p>To produce seeds (B)</p> Signup and view all the answers

How does fertilization occur in flowers?

<p>When sperm cells are released into the ovule. (B)</p> Signup and view all the answers

Which process involves the transfer of pollen between different flowers of the same species?

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

What type of pollination occurs when pollen is transferred from the anther of one flower to the stigma of another flower in a different plant?

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

What part of the flower stimulates pollen grain germination?

<p>Stigma (A)</p> Signup and view all the answers

Which of the following methods is primarily used to reproduce plants asexually?

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

Which process involves transferring pollen grains from the male anther to the female stigma of the same flower?

<p>Self-pollination (A)</p> Signup and view all the answers

What type of plant reproduction includes methods such as cuttings and layering?

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

Which of the following methods would likely result in the production of genetically identical offspring?

<p>Self-pollination (B)</p> Signup and view all the answers

Which reproduction method would be inappropriate for a plant needing genetic diversity?

<p>Self-pollination (B)</p> Signup and view all the answers

What characteristic is NOT typical of asexual reproduction in plants?

<p>Requires pollinators (A)</p> Signup and view all the answers

What is natural vegetative reproduction?

<p>A form of asexual reproduction where new plants grow naturally without human action. (C)</p> Signup and view all the answers

Which of the following structures is NOT typically involved in natural vegetative reproduction?

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

What is the primary feature of artificial vegetative reproduction?

<p>It involves the use of cutting techniques to produce identical plants. (B)</p> Signup and view all the answers

Which of the following methods is NOT classified under artificial vegetative reproduction?

<p>Suckers (A)</p> Signup and view all the answers

How do tubers contribute to vegetative reproduction?

<p>They are a modified form of roots that can develop new plants. (B)</p> Signup and view all the answers

In the context of vegetative reproduction, what is meant by plantlets?

<p>New plants that emerge from the leaves of a parent plant. (C)</p> Signup and view all the answers

Which of the following is an example of a modified stem used in vegetative reproduction?

<p>Rhizome (B)</p> Signup and view all the answers

What distinguishes artificial vegetative reproduction from natural methods?

<p>Artificial reproduction is executed by humans while natural methods are not. (C)</p> Signup and view all the answers

Flashcards

Self-Pollination

Pollination where pollen from a flower's anther is transferred to the same flower's stigma.

Cross-Pollination

Pollination where pollen from one flower's anther is transferred to another flower's stigma on a different plant of the same species.

Asexual Reproduction

Plant reproduction that doesn't involve seeds or spores.

Natural Vegetative Reproduction

A type of asexual reproduction in plants that occurs naturally using stems, roots, or leaves.

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Artificial Vegetative Reproduction

A type of plant reproduction that uses human intervention to reproduce asexually, such as cuttings or grafting.

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Agent of Pollination

An organism that carries pollen from one flower to another.

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Stigma

The part of a flower that receives pollen.

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Ovary

The part of a flower where seeds develop.

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Flowering Plants

Plants that produce flowers for reproduction.

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Non-flowering Plants

Plants that reproduce without flowers.

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Stigma

The sticky part of a flower that receives pollen.

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Style

The tube connecting the stigma to the ovary.

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Ovary

The part of the flower that contains ovules, which develop into seeds after fertilization.

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Stamen

The male reproductive part of a flower, consisting of the anther and filament.

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Anther

The part of the stamen that produces pollen.

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Filament

The stalk that supports the anther.

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Pollination

The transfer of pollen from the anther to the stigma.

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Self-Pollination

Transfer of pollen from the anther to the stigma of the same flower or a different flower on the same plant.

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Cross-Pollination

Transfer of pollen from the anther of one plant to the stigma of another plant of the same species.

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Fertilization

The fusion of the sperm and egg cells, which leads to the development of a seed.

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Cuttings

A method of asexual reproduction where a piece of a plant's stem is cut and planted to grow a new plant.

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Grafting

A method of asexual plant reproduction where a part of one plant is attached to another plant to grow together.

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Marcotting

A method of asexual reproduction where a stem of a plant is bent and buried, allowing it to root and grow into a new plant.

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Layering

A method of asexual plant reproduction where a stem is bent to the ground, allowing it to root and form a new plant.

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Budding

A method of asexual reproduction in plants using a bud to grow a new plant.

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Pollination

The transfer of pollen from the stamen (male part) to the pistil (female part) of a flower, enabling fertilization.

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Self-Pollination

Pollination where the pollen from a flower's stamen is transferred to the same flower's pistil.

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Cross-Pollination

Pollination where pollen from a flower's stamen is transferred to a different flower's pistil on another plant of the same species.

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Asexual Reproduction

Plant reproduction that doesn't involve seeds or spores.

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Natural Vegetative Reproduction

A type of asexual reproduction in plants that occurs naturally using stems, roots, or leaves.

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Natural Vegetative Reproduction

Asexual reproduction in plants where a new plant grows naturally, without human help.

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Artificial Vegetative Reproduction

Asexual reproduction in plants that creates an identical copy (clone) of the parent plant by human intervention.

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Runners

Modified stems that grow along the surface of the ground, producing new plants at nodes.

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Bulbs

Specialized underground stems that store food and nutrients, allowing plants to survive harsh conditions in the absence of leaves.

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Tubers

Swollen underground stems that store food and starch, like potatoes.

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Rhizome

Modified stems that grow horizontally underground, producing new shoots and roots at nodes.

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Suckers

Shoots growing from the roots or base of a plant, often developing into new plants.

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Plantlets

Small plants growing from plant leaves or stems.

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Cuttings

A method of artificial vegetative reproduction where a piece of a plant is cut off and rooted to create a new plant.

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Grafting

A method of joining two different plants, a process often used in horticulture to combine desirable traits.

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Layering

A method involving bending a stem of a plant to the ground, burying a portion and encouraging root growth.

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Marcotting

Type of layering where the stem is wrapped in a moist medium to promote root formation.

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Budding

A method of uniting a bud (an undeveloped shoot) from one plant onto another to produce a new plant.

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Lesson 2

This is the second lesson in a series.

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What's In

An activity designed to engage and activate prior knowledge, possibly prompting reflection on previous learnings.

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Mongo Beans

A specific type of bean.

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Potatoes

A starchy vegetable.

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Moss

A type of non-vascular plant.

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Avocado

A fruit.

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Ferns

A type of vascular plant.

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Calamansi

A citrus fruit.

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Sampaguita

A type of flower.

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Chico

A type of fruit.

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Strawberry

A type of berry.

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Study Notes

Science Module 5: Modes of Reproduction in Flowering and Non-Flowering Plants

  • This module covers the different methods of reproduction in plants
  • It differentiates between sexual and asexual reproduction in plants
  • Reproduction is the production of new individuals or offspring from their parents
  • Sexual reproduction involves the production of seeds
  • Asexual reproduction does not involve the production of seeds
  • The module includes two key lessons covering sexual and asexual reproduction in plants

Sexual Reproduction in Plants (Lesson 1)

  • Flowers are essential reproductive structures in flowering plants
  • Pollination is essential, involves the transfer of pollen from anther to stigma
  • Two types of pollination
  • Self-pollination: Pollen is transferred within the same flower or to another flower on the same plant
  • Cross-pollination: Pollen is transferred to another flower on a different plant of the same species
  • Pollen grains develop into seeds, leading to new plant growth

Asexual Reproduction in Plants (Lesson 2)

  • Plants can reproduce asexually through various methods, leading to offspring genetically identical to the parent plant

  • Asexual methods includes natural vegetative propagation (runners, bulbs, tubers, rhizomes, plantlets) and artificial vegetative propagation (cuttings, grafting, marcotting, budding, layering)

  • Natural methods:

  • Runners: Horizontal stems that grow along the ground (example: strawberries)

  • Bulbs: Modified stems with fleshy leaves (example: onions)

  • Tubers: Swollen underground stems (example: potatoes)

  • Rhizomes: Underground stems (example: ginger, bananas).

  • Plantlets: New plants growing from plant leaves. (example: begonias).

  • Artificial methods:

  • Cuttings: A piece of stem, leaf or root developed into a new plant (example: mangoes, roses)

  • Grafting: The cutting (scion) of a plant placed on a rootstock (example: mangoes, citrus)

  • Marcotting: Stems placed on the ground to create roots and new plants (example: orchids)

  • Layering: Part of a stem (or stem branch) is bent over and covered in soil to encourage roots (example: garden plants)

  • Budding: Insertion of buds onto a stem (example: citrus)

  • Many plants can reproduce both sexually and asexually.

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