Vegetative Propagation
Trending Questions
- gametes
- vegetative propagules
- spores
- none of the above
Distinguish between asexual and sexual reproduction. Why is vegetative reproduction also considered as a type of asexual reproduction?
Bulbil is found in which of the following plants?
- Pineapple
- Oxalis
- Agave
- All the above
Bryophyllum can reproduce by its_____.
Economic importance of pollen grains?
The megaspore mother cell is differentiated from one of the cells of the
A nucellus
B pollen grains
C microsporangia
D both B and c
How will an organism be benefitted if it reproduces through spores?
- The units of vegetative propagation such as runner, rhizome, sucker, tuber, offset, bulb are all capable of giving rise to new offspring.
- Offspring produced by vegetative propagation are called clones.
- Vegetative propagation in banana occurs by bulbil.
- Vegetative propagation is an asexual method of reproduction in plants.
- Bulbil is a type of underground stem.
- Bulb is a modification of stem.
- Plants produced from bulbils are clones of the parent plant.
- The stem in a bulb is shortened down to a disc, often called the basal plate from which roots arise around the edge.
Define grafting.
I) Amoeba can only reproduce by process of binary fission.
II) In Bryophyllum vegetative propagation occurs by leaf buds.
III) The lifespan of a parrot is 15 years.
IV) During unfavourable conditions, a phenomenon called encystation occurs in Paramecium.
- II and III
- I, II and IV
- III and I
- I, III and IV
Differentiate between the following:
Natural vegetative propagation and artificial propagation
- Rhizome
- Bulbil
- Offset
- Eye
(i) Epidermal cell has small amount of cytoplasm and a large vacuole
(ii) Waxy cuticle layer is absent in roots
(iii) Root hairs are unicellular, while stem hairs/trichomes are multicellular
(iv) Trichomes may be branched or unbranched, soft or stiff and prevent transpiration
(v) Guard cells are dumbell shaped in dicots and bean-shaped in monocots
- (i) only
- (iv) only
- (iii) only
- (v) only
- leaf blade
- petiole
- stipules
- pulvinus
- Genetic variations arise frequently from vegetative propagation.
- Vegetative propagation is a faster mechanism of reproduction as compared to sexual reproduction.
- Vegetative propagation is seen in animals.
- Layering is a type of natural vegetative propagation.
- Begonia
- Eichhornia
- Bryophyllum
- Sansevieria
What is the meaning of apex explain it's types
What is known as fixed plants? Give examples
The modified stem of onion
- shoot buds
- axillary buds
- root buds
- flower buds
The most common feature in plants like ginger, potato, sugarcane and banana is that -
They all have modified stems.
They all are monocotyledonous.
New plants arise from nodes present on modified stems.
They are propagated vegetatively as they cannot produce seeds.
A | Colocasia | I | Runner |
B | Cynodon | II | Offset |
C | Eichhornia | III | Corm |
D | Mint | IV | Sucker |
- A - III, B - II, C - I, D - IV
- A - III, B - II, C - IV , D - I
- A - III, B - I, C - II, D - IV
- A - IV, B - II, C - I, D - III
- None of the above.
- It efficiently absorbs the nutrients from water.
- It can propagate vegetatively at a phenomenal rate.
- It has specialised roots that help in the adaptation of water hyacinth to freshwater easily.
- Pandanus
- Pistia
- Ipomoea
- mangrove
(i) 'Terror of Bengal' is the name given to water hyacinth (Eichhomia), algae.
(ii) Eicchornia was introduced in India due to its beautiful flowers and the shape of leaves.
(iii) Eichhornia drains oxygen from the water which leads to the death of fishes.
- (i) and (ii)
- (i) and (iii)
- (ii) and (iii)
- (i), (ii) and (iii)
- erythrocytes only
- liver cells only
- erythrocytes and liver cells
- erythrocytes, liver cells, cardiac cells and spleen cells
- node
- bulb
- root bud
- none of the above
- Grafting
- Budding
- All of the above
- Fragmentation