Solution : Stem tuber is a swollen underground stem, differentiated into nodes and internodes. Whereas root tuber is a swollen root, not differentiated into nodes and internodes. Stem tuber is borne at the tip of underground stem branches. Whereas root tuber develops adventitiously from any part of the stem.
What is a stem tuber?
Stem tubers. A stem tuber forms from thickened rhizomes or stolons. The top sides of the tuber produce shoots that grow into typical stems and leaves and the undersides produce roots. They tend to form at the sides of the parent plant and are most often located near the soil surface.
What is difference between stem and root?
Stems are the parts of plants that bear branches, leaves, and fruits. Roots are the underground parts of plants that bear root hairs. Their primary function is to supply minerals, water, and food to all plant parts.
Is potato a root or stem tuber?
A potato is classified as a stem. Because it has many nodes known as eyes. The space between each eye is internodes. The potato eye grows into a shoot and a new plant.
What are examples of root tubers?
Root and tuber crops (Crop Groups 1 and 2) consist of root crops, such as beets and carrots, and tuber crops, such as potatoes and sweet potatoes, and the leaves of root crops, such as beet tops.
Is onion a root or stem tuber?
The onion isn’t a root or a stem. It’s a tunicate bulb with a clump of fleshy leaves on top. An onion is a type of underground stem structure that has been modified. The bulged leaf structure at the base of the onion plant stores its processed food.
Is Carrot a stem tuber or root tuber?
root tubers
Examples. Potatoes are stem tubers while beet, carrot, parsnip, and dahlias are root tubers.
What are the similarities and differences between stem and roots?
Stems are the part of the shoot system that flourishes above the soil surface and shows negative geotropism. Roots are the part of the root system that flourishes underground the soil and shows positive geotropism. Stems bend towards the light and are positively phototropic, while roots are negatively phototropic.
What are the function of stem and root?
Roots help to anchor the plant in the ground as well as absorbing water and nutrients from the soil. Stems support the part of the plant that lies above ground and transport water and nutrients to all parts of the plant.
What is the root and stem of a word?
A root is the form to which derivational affixes are added to form a stem. (Sometimes stems are formed by derivational processes other than affixation.) A stem is the form to which inflectional affixes are added to form a word.
Why potato is called stem tuber?
Complete Answer:
Potato grows on the end of the underground stem known as the stolon. – Potato is considered as a stem because it has many nodes called the eye and space between each eye is called the internodes. The eye of the potato can develop into a shoot and a new plant. Thus it is a stem vegetable.
Is ginger a stem tuber?
While ginger may look like a tuber, thanks to its root-like shape and underground growth, it is actually a rhizome. Rhizomes are underground stems that grow horizontally before putting up a new shoot.
Why potato is a stem and not a root?
As i said earlier, potato have buds on it, which under the right conditions can lead to the growth of a new plant. Actually the presence of these buds make it a stem, because roots do not havr buds from which new plants can come.
Is garlic a root or a stem?
Rhizomes, tubers, maize, and bulbs are examples of underground stems. Only some sections of underground stems are edible; the entire stem is not edible. Onion and garlic are two other examples.
Is a sugarcane a stem tuber?
No, It is not called as a root tuber because anything to be called a tuber has to be growing from the ground. Why are sugarcane not regarded as stem tuber yet they store food? Explain.
What is a tuber name one stem tuber and one root tuber?
a A tuber is the thickened underground stem or root of a plant which is swollen with stored food. Stem tuber: Potato; Root tuber: Sweet potato.
Is turmeric a root or stem?
Turmeric is a rhizome (root) that comes from the plant of the ginger family (Zingiberaceae) native to India and is used as a spice in cooking. Curcumin is a component of turmeric that has been most studied for its antiinflammatory effects.
Is beetroot a root or stem?
Carrot and beetroot are examples of roots. These are actually modified forms of tap roots used for storing food in plants. Potato is not a root but modified stem. Sugarcane is also a stem.
Is a carrot a root?
6.4.
Carrot is a root vegetable that is rich in fiber and carotenoids showing antioxidant and anticarcinogenic properties.
Is onion a tuber?
Vegetables are usually grouped according to the portion of the plant that is eaten such as leaves (lettuce), stem (celery), roots (carrot), tubers (potato), bulbs (onion) and flowers (broccoli).
What are root tuber crops?
Roots and tuber crops are important cultivated staple energy sources, second to cereals, generally in tropical regions in the world. They include potatoes, cassava, sweet potatoes, yams, and aroids belonging to different botanical families but are grouped together as all types produce underground food.