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Questions and Answers
What is the function of the micropyle in a seed?
What is the function of the micropyle in a seed?
- Serves as a protective layer for the seed coat
- Regulates germination by allowing entry of oxygen and water (correct)
- Enhances photosynthesis in the seed
- Helps in dispersal of seeds
What is the moisture content of seeds when they become relatively dry?
What is the moisture content of seeds when they become relatively dry?
- 5-10 per cent
- 20-25 per cent
- 10-15 per cent (correct)
- 30-35 per cent
What is the term used to describe the state of inactivity that the embryo may enter during seed maturation?
What is the term used to describe the state of inactivity that the embryo may enter during seed maturation?
- Dormancy (correct)
- Photosynthesis
- Pollination
- Germination
Which part of the flower contributes to fruit formation in species like apple and strawberry?
Which part of the flower contributes to fruit formation in species like apple and strawberry?
What is the wall of the ovary transformed into during fruit development?
What is the wall of the ovary transformed into during fruit development?
What is the relationship between the number of ovules in an ovary and the number of seeds in a fruit?
What is the relationship between the number of ovules in an ovary and the number of seeds in a fruit?
What is the term used to describe the cotyledon in the grass family?
What is the term used to describe the cotyledon in the grass family?
Which part of the seed is generally thick and swollen due to storage of food reserves?
Which part of the seed is generally thick and swollen due to storage of food reserves?
What is the term for the undifferentiated sheath that encloses the radical and root cap in an embryo?
What is the term for the undifferentiated sheath that encloses the radical and root cap in an embryo?
Which part of the embryonal axis contains the shoot apex and leaf primordia?
Which part of the embryonal axis contains the shoot apex and leaf primordia?
Which type of seeds have no residual endosperm after embryo development?
Which type of seeds have no residual endosperm after embryo development?
In angiosperms, what is often described as a fertilized ovule?
In angiosperms, what is often described as a fertilized ovule?
What is the fate of the endosperm in seeds like peas, groundnuts, and beans?
What is the fate of the endosperm in seeds like peas, groundnuts, and beans?
Which seeds show persistence of endosperm in the mature seed to be used during seed germination?
Which seeds show persistence of endosperm in the mature seed to be used during seed germination?
Where does the zygote develop in the embryo sac?
Where does the zygote develop in the embryo sac?
Why do most zygotes divide only after a certain amount of endosperm is formed?
Why do most zygotes divide only after a certain amount of endosperm is formed?
Which part of a dicotyledonous embryo terminates at its lower end with the radicle or root tip?
Which part of a dicotyledonous embryo terminates at its lower end with the radicle or root tip?
What covers the root tip of a dicotyledonous embryo?
What covers the root tip of a dicotyledonous embryo?
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