Vegetative Propagation and Micropropagation
Vegetative Propagation and Micropropagation
Questions
Which of the following plants shows natural vegetative propagation by roots?
- Ginger
- Onion
- Potato
- Dahlia
- Colocacia
Which structure of plant contains food reserves and bears the bud?
- Pneumatophores
- Perennating organs
- Vegetative organs
- Gametes
- Fasciculated organs
Which of the following plants shows vegetative propagation by corm?
- Iris
- Potato
- Tulip
- Daffodil
- Gladiolus
The horizontally growing stem that bears axillary buds covered by scale leaves is called __________.
- stolon
- sucker
- runner
- corm
- offset
Which of the following develops as a result of vegetative propagation in pineapple plant?
- Tuber
- Bulb
- Corm
- Stolon
- Sucker
Which of the following correctly defines 'Tuber'?
- It is a short, and swollen underground stem that bears buds and adventitious roots.
- It is a swollen underground stem that bears axillary buds in the axils of scale leaves.
- It is a modified stem, which contains one or more axillary buds that form the shoot of the new plant.
- It is a swollen, and vertical underground stem that comprises a swollen base surrounded by scale leaves.
- A stem that grows obliquely upwards and arches over to the ground at a node.
Which of the following plants shows vegetative propagation by offset?
- Water hyacinth
- Butter cup
- Colocasia
- Chrysanthemum
- Tulip
Which of the following is not true about offset?
- A short and thick branch
- Develops from the axil of the mother plant
- Grows for some distance parallel to the surface
- Gets decayed once new plant is established
- Water lettuce shows vegetative propagation by offset
Which of the following plants propagates vegetatively by leaves?
- Begonia
- Daffodil
- Colocasia
- Galdiolus
- Iris
The process in which stock and scion are obliquely cut and bound until the cambia are fused, is called ______________.
- whip grafting
- cleft grafting
- bud grafting
- leaf cutting
- stem cutting
Which of the following plants can be obtained by bud grafting?
- Mango
- Rubber
- Rose
- Citrus
- Apple
Which of the following plants can be grown by root cutting method?
- Sugarcane
- Coleus
- Tamarind
- Begonia
- Rose
Which of the following plants is propagated by the method of air layering?
- Jasmine
- Rhododendron
- Magnolia
- Rubber
- Begonia
Which of the following statements is not true about vegetative propagation?
- Usually stock is a plant, which is efficient in absorbing water and minerals.
- The ends of the stock and the scion to be grafted are cut obliquely and placed face to face.
- Grafting has been used in raising superior quality of plants.
- In cleft grafting, stock and scion are obliquely cut and bound until the cambia are fused.
- The whip and cleft grafting are common in mango and apple plants.
Name the process in which branches of a plant are bent to the ground and covered with moist soil to propagate vegetatively.
- Stem cutting
- Whip grafting
- Mound layering
- Air layering
- Mericloning
Which of the following statements is not true?
- An unorganised, undifferentiated mass of tissues formed under aseptic conditions is called plantlet.
- Mericloning is used in the mass production of certain plants.
- Seedless fruits like seedless oranges and grapes can be obtained by vegetative propagation.
- The plants raised through vegetative propagation from a single plant constitute a genetically uniform population.
- Air layering is used in plants having thick branches that cannot be bent easily.
Match the following plants with their modes of vegetative propagation.
| (I) Bryophyllum |
| (i) Onion
|
| (II) Strawberry
| (ii) Couch grass
|
| (III) Bulb
| (iii) Leaves
|
| (IV) Rhizome
| (iv) Runner
|
| (V) Tuber
| (v) Artichoke
|
- I - (i), II - (iii), III - (ii), IV - (iv), V - (iv)
- I - (ii), II - (v), III - (i), IV - (iii), V - (iv)
- I - (iii), II - (iv), III - (i), IV - (ii), V - (v)
- I - (iv), II - (iii), III - (v), IV - (ii), V - (i)
- I - (v), II - (iv), III - (iii), IV - (ii), V - (i)
Which of the following is not an advantage of vegetative propagation?
- To obtain seedless fruits
- To bring genetic variations
- A rapid method of propagation
- The desirable fruits can be obtained
- Used to propagate ornamental plants
Which of the following plants develops as a bulb?
- Daffodils
- Iris
- Couch grass
- Artichoke
- Ginger