Development Of New Seeds - SS3 Biology Past Questions and Answers - page 1
What is the function of the exine in the structure of the pollen grain?
Facilitating pollen tube growth
Protection against desiccation
Containing male gametes
Which part of the pollen grain is responsible for recognizing and binding to the female reproductive structure?
Intine
Generative cell
Pollen coat
What is the primary site of fertilization in flowering plants?
Petals
Sepals
Ovary
In flowering plants, the fusion of male and female gametes during fertilization gives rise to which structure?
Zygote
Embryo
Root
In flowering plants, the fusion of male and female gametes during fertilization gives rise to which structure?
Zygote
Embryo
Root
What is the primary function of the seed coat in the structure of seeds?
Absorption of water and nutrients
Protection of the embryo from mechanical damage and desiccation
Facilitation of photosynthesis
Which part of the seed contains the stored food reserves for the developing embryo?
Seed coat
Radicle
Cotyledon(s)
What type of germination occurs when a seed remains dormant in the soil until environmental conditions like temperature, moisture, and light are suitable for growth?
Epigeal germination
Hypogeal germination
Viviparous germination
What type of germination occurs when a seed remains dormant in the soil until environmental conditions like temperature, moisture, and light are suitable for growth?
Epigeal germination
Hypogeal germination
Viviparous germination
Which type of germination involves the emergence of the cotyledons above the soil surface while the epicotyl remains below the ground level?
Viviparous germination
Cryptobiosis germination
Epigeal germination