Plant Reproduction and Seed Formation Quiz

Sepals = Enclose and protect the flower before it opens and will sometimes close over the flower at night Petals = Most obvious part of the flower, large, variously shaped, and bright to attract pollinators Stamens = Male part of the plant and consists of two parts: anther and filament Carpel = Female part of the plant and consists of three parts: stigma, style, and ovary

Sexual reproduction = Involves the fertilization of gametes Asexual reproduction = Reproduction not involving gametes

Stamens = Consists of anther and filament Carpel = Consists of stigma, style, and ovary Anther = Produces pollen which forms male gametes Ovary = Has one or more ovules which contain the embryo sac

<p>Stigma = Catches pollen Style = Connects the stigma to the ovary and holds it in a suitable position to collect the pollen Ovary = Has one or more ovules which contain the embryo sac Anther = Produces pollen which forms male gametes</p> Signup and view all the answers

<p>Sepals = Enclose and protect the flower before it opens and will sometimes close over the flower at night Petals = Large, variously shaped, and bright to attract pollinators Stamens = Male part of the plant and consists of two parts: anther and filament Carpel = Female part of the plant and consists of three parts: stigma, style, and ovary</p> Signup and view all the answers

<p>Dormancy = Allows plants to avoid adverse conditions and gives seeds time to disperse and mature Germination = Requires water, oxygen, suitable temperature, and food reserves Asexual Reproduction = Results in genetically identical offspring Practical Investigation = Shows the effect of water, oxygen, and temperature on germination</p> Signup and view all the answers

<p>Soaking, abrasion, and chemical treatments = Break seed dormancy Stem and root tubers, bulbs, and plantlets = Natural propagation methods Cuttings, layering, grafting, and micropropagation = Artificial propagation methods Starch agar plate experiment = Demonstrates digestive activity during germination</p> Signup and view all the answers

<p>Root and shoot growth = Germination stages Photosynthesis = Germination stages Weight gain = Germination stages Optimizing storage conditions and sowing times = Use of dormancy in agriculture</p> Signup and view all the answers

<p>Effect of water, oxygen, and temperature on germination = Practical investigation Using starch agar plates to demonstrate digestive activity during germination = Practical investigation Seeds need water, oxygen, and the correct temperature for germination = Investigation concept Natural propagation methods include stem and root tubers, bulbs, and plantlets = Demonstrated concept</p> Signup and view all the answers

<p>Dormancy = Optimizing storage conditions and sowing times Asexual reproduction = Artificial propagation methods include cuttings, layering, grafting, and micropropagation Germination = Another practical involves using starch agar plates to demonstrate digestive activity during germination Practical investigation = The investigation shows that seeds need water, oxygen, and the correct temperature for germination</p> Signup and view all the answers

<p>Egg sac = Contains the egg cell and two polar nuclei which form the endosperm Receptacle = Thickened part of the pedicel from which flower parts grow Nectaries = Produce nectar at the base of petals Ovary = Where female gametes are formed through meiosis</p> Signup and view all the answers

<p>Pollination = Can be self-pollination or cross-pollination by insects, wind, or other methods Fertilization = Involves the fusion of male and female gametes to form a diploid zygote Seed dispersal = Occurs through animal, wind, water, and self-dispersal methods to ensure survival and minimize competition Dormancy = Period of reduced growth or metabolism, even when conditions are suitable for germination</p> Signup and view all the answers

<p>Zygote = Forms the seed embryo after fertilization Seed coat (testa) = Provides protection to the seed Radicle = Develops into the root of the new plant Plumule = Forms the shoot of the new plant</p> Signup and view all the answers

<p>Anther = Produces male gametes and forms the pollen grain Ovule = Contains the female gametes and is located in the ovary Fruit = Essential for protecting and dispersing seeds, with seedless fruit varieties developed for consumer markets Pollen grain = Carries male gametes for fertilization</p> Signup and view all the answers

<p>Female gamete formation in the ovule = Occurs through meiosis in the ovary Seed formation after fertilization = Involves the development of the ovule into the seed, with the zygote forming the seed embryo Seedless fruit varieties = Developed for consumer markets to protect and disperse seeds Seed dispersal through animal, wind, water, and self-dispersal methods = Ensures survival and minimizes competition</p> Signup and view all the answers