18 Questions
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?
Preservation of useful traits
Which underground stem has older parts that die off, allowing detached younger portions to become new plants?
Rhizomes
What type of stem produces tubers by pushing through the soil and swelling at their ends?
Axillary buds
What method involves the union of pollen and egg leading to seed formation?
Sexual Method (seed propagation)
How can polyploidy be induced in plants?
Treating with colchicine
What is the term for plants raised from seeds?
Seedlings
What is the effect of colchicine treatment on spindle formation during cell division?
Inhibited
What technique involves soaking seeds in an aqueous solution of colchicine before planting?
Seeds are frequently soaked in colchicine solution
Which plant mutant becomes resistant to wilt disease after treatment?
Mentha piperita
What is the main characteristic of a bulb and how does it reproduce?
A bulb is a bud with food reserves, and reproduces by forming new bulbs from old ones.
Describe the structure of a corm and give an example of a plant that produces corms.
A corm has a swollen base of the stem wrapped in scale leaves with an axillary bud. Example: colchicum, saffron.
Explain the process of vegetative reproduction through bulbs.
Vegetative reproduction through bulbs involves the formation of new bulbs from old ones.
How does a tuber form and where is it located?
A tuber is a swelling on an underground stem branch.
What is the primary function of suckers in plant propagation?
Suckers aid in vegetative propagation by developing into new plants.
How do runners contribute to the reproduction of certain plants?
Runners allow plants to spread and reproduce asexually by producing new plants at nodes.
Learn about different types of modified stems in plants including tubers, rhizomes, and runners. Explore examples such as potato, ginger, and jalap through this quiz.
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