Types of Modified Stems in Plants

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Questions and Answers

What type of stem refers to a creeping stem that roots at nodes?

Stolons

Which type of stem produces roots and erect flowering shoots from lateral buds at its nodes?

Runners

What is a shoot arising from a root of a woody plant called?

Suckers

In asexual propagation, what is the advantage of having genetically identical resultant species?

<p>Preservation of useful traits</p> Signup and view all the answers

Which underground stem has older parts that die off, allowing detached younger portions to become new plants?

<p>Rhizomes</p> Signup and view all the answers

What type of stem produces tubers by pushing through the soil and swelling at their ends?

<p>Axillary buds</p> Signup and view all the answers

What method involves the union of pollen and egg leading to seed formation?

<p>Sexual Method (seed propagation)</p> Signup and view all the answers

How can polyploidy be induced in plants?

<p>Treating with colchicine</p> Signup and view all the answers

What is the term for plants raised from seeds?

<p>Seedlings</p> Signup and view all the answers

What is the effect of colchicine treatment on spindle formation during cell division?

<p>Inhibited</p> Signup and view all the answers

What technique involves soaking seeds in an aqueous solution of colchicine before planting?

<p>Seeds are frequently soaked in colchicine solution</p> Signup and view all the answers

Which plant mutant becomes resistant to wilt disease after treatment?

<p>Mentha piperita</p> Signup and view all the answers

What is the main characteristic of a bulb and how does it reproduce?

<p>A bulb is a bud with food reserves, and reproduces by forming new bulbs from old ones.</p> Signup and view all the answers

Describe the structure of a corm and give an example of a plant that produces corms.

<p>A corm has a swollen base of the stem wrapped in scale leaves with an axillary bud. Example: colchicum, saffron.</p> Signup and view all the answers

Explain the process of vegetative reproduction through bulbs.

<p>Vegetative reproduction through bulbs involves the formation of new bulbs from old ones.</p> Signup and view all the answers

How does a tuber form and where is it located?

<p>A tuber is a swelling on an underground stem branch.</p> Signup and view all the answers

What is the primary function of suckers in plant propagation?

<p>Suckers aid in vegetative propagation by developing into new plants.</p> Signup and view all the answers

How do runners contribute to the reproduction of certain plants?

<p>Runners allow plants to spread and reproduce asexually by producing new plants at nodes.</p> Signup and view all the answers

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