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प्रश्न
What happens when a Planaria gets cut into two pieces?
उत्तर
Planaria has the capacity of regeneration. If we cut Planaria into two pieces, then both the pieces will regenerate to give two Planaria.
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संबंधित प्रश्न
Label the parts (1) and (2) in budding of yeast cell.
Name the process by which an Amoeba reproduces. Draw the various stages of its reproduction in a proper sequence.
What is a 'cutting' in respect of plants for propagation purposes?
A multicellular organism which reproduces by budding is :
(a) Amoeba
(b) Yeast
(c) Leishmania
(d) Hydra
The organisms which can reproduce by fragmentation are :
(a) Corals and Sponges
(b) Corals and Spirogyra
(c) sea anemone and Spirogyra
(d) Sponges and Sea anemones
When a moist slice of bread was kept aside for a few days then some organism grew on it to form a white cottony mass which later turned black. When this slice of bread was observed through a magnifying glass, then fine thread-like projections and thin stems having bulb-like structures at the top were seen.
(a) What is the common name and scientific name of the organism which grew on the moist slice of bread?
(b) How did this organism grow on the moist slice of bread automatically?
(c) What are the fine, thread-like projections on the surface of slice of bread known as?
(d) What name is given to the knob-like structures and what do they contain?
(e) What is the name of this method of reproduction?
(f) Name one unicellular organism which reproduces by this method.
(g) Name tow non-flowering plants which reproduce by this method.
Fill in the blank:
Amoeba reproduces by _________.
Differentiate between the following:
Cutting and grafting
Give the name of the plant that reproduces vegetatively by: Stem-cutting
In Spirogyra, asexual reproduction takes place by
