Podcast
Questions and Answers
What is a fruit typically formed from?
What is a fruit typically formed from?
A fertilised ovary of a flower.
How long does it take for nutmeg to form a mature fruit?
How long does it take for nutmeg to form a mature fruit?
About 90 days.
What is the difference between dehiscent and indehiscent fruits?
What is the difference between dehiscent and indehiscent fruits?
Dehiscent fruits burst open to release seeds, while indehiscent fruits do not open.
Why is the cashew considered a false fruit?
Why is the cashew considered a false fruit?
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What role do fruits play in seed protection?
What role do fruits play in seed protection?
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What are the three basic parts of a typical seed?
What are the three basic parts of a typical seed?
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What function do cotyledons serve in a seed?
What function do cotyledons serve in a seed?
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How can seeds be categorized?
How can seeds be categorized?
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Study Notes
Fruits
- Fruits develop from the fertilized ovary of a flower, with maturation time varying across species.
- In nutmeg, it takes approximately 90 days for a mature fruit to form.
- Fruits are classified based on appearance and texture, falling into dry or juicy categories.
Types of Fruit
- Dry Fruit: Example includes peanuts (ground nut).
- Juicy Fruit: An example is mango.
- Dehiscent Fruit: Pigeon peas belong here as they burst open to release seeds.
- Indehiscent Fruit: Coconut is an example, where seeds remain inside.
- False Fruit: Cashew is termed a false fruit, developing from the swelling of the receptacle rather than the ovary.
- The cashew nut, which is the true fruit, features a thick, hard, and shiny outer coat and contains a single dicotyledonous seed, which is edible.
Functions of Fruit
- Serve as a major food source for humans and animals.
- Act as storage for nutrients in the cotyledons of seeds during germination.
- Provide protection for seeds.
- Facilitate seed dispersal through both fleshy and dry fruits, enabling their spread to distant locations.
Seeds
- Seeds are structures that lead to the growth of new plants, arising from the fertilization of a female sex cell by pollen.
- The reproductive cycle begins with flower development, followed by pollination, and results in seed formation upon successful fertilization.
Structure of Seeds
- A typical seed consists of three main parts:
- Embryo: Develops into a new plant.
- Cotyledons: One or more seed leaves providing energy and nutrients to the seedling until true leaves emerge.
- Seed Coat: Protects the seed from environmental damage.
Types of Seed
- Seeds can be categorized according to the number of cotyledons they possess.
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Description
Explore the fascinating world of fruits in this quiz, including their formation from flowers and the various classifications based on appearance and texture. Learn about the differences between dry and fleshy fruits, and discover how the time to mature varies among different species. Test your knowledge on the diverse types of fruit!