25 Questions
What is the characteristic of a one-seeded fruit?
It has a single seed attached to the fruit wall
What is the outer layer of a one-seeded fruit?
Pericarp
What is the characteristic of the pericarp in a one-seeded fruit?
It is hard and thickened
How is the seed attached to the fruit?
Tightly attached
How many carpels make up a one-seeded fruit?
One or more
What is the main characteristic of a simple true fruit?
Formed from a single ovary
What type of gynaecium is associated with the formation of simple true fruits?
Monocarpellary
Which of the following fruits is not a simple true fruit?
Apple
What is the term for a gynaecium with multiple pistils?
Polycarpellary
Which of the following is an example of a simple true fruit?
Citrus
What is the characteristic shape of the endosperm cells?
Polygonal
What does the apical marking indicate?
The type of fruit
What type of crystals are found in the aleurone grains?
Micro rosette crystals
What is the chief component of the globules found in the endosperm cells?
Fixed oil
What are the remains of the style and stigma marked by?
The apical part
What does the term 'superior' refer to in relation to fruit?
A fruit that is attached to the receptacle
What is the primary substance that makes up the aleurone grains?
Calcium oxalate
What is the characteristic of the fragments of endosperm cells?
Colourless
What is the main purpose of the apical marking?
To classify the fruit's type
What is indicated by the presence of the style and stigma remains?
The fruit's reproductive structure
What is the origin of Capsicum?
Dried ripe fruits of Capsicum minimum
Where is Capsicum cultivated?
In India, South America, and Africa
What is the shape of the Capsicum fruit?
Oblong conical
What family does Capsicum belong to?
Solanaceae
What is the characteristic of the Capsicum fruit?
It is a berry
Study Notes
Classification of True Fruits
- Simple fruits are formed from a single ovary (monocarpellary or syncarpous gynaecium with one pistil)
- Examples of simple fruits include Senna Pods, Wheat, Fennel, and Citrus
Characteristics of Fruits
- A one-seeded fruit has a thickened hard pericarp, and the seed is attached to the fruit wall
- The pericarp is marked by the remains of the style and stigma, indicating whether the fruit is superior or inferior
Microscopic Characteristics
- Colourless fragments of thick-walled polygonal endosperm cells contain globules of fixed oil and aleurone grains
- Aleurone grains contain micro rosette crystals of calcium oxalate
Capsicum
Origin
- Dried ripe fruits of Capsicum minimum
- Family Solanaceae
Geographical Spread
- Cultivated in India, South America, and Africa
Macroscopic Characters
- Berry, oblong conical fruit
Classify fruits based on their formation, including simple fruits formed from a single ovary, as seen in Senna Pods, Wheat, Fennel, and Citrus. Learn about the characteristics of simple fruits and their examples.
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