Fragmentation
Fragmentation
Fragmentation: It is found in algae like spirogyra, fucus. In this process adult organism breaks up into two or more pieces called fragments. Each fragment grows up to become a new plant.
Experiment of Fragmentation: Obtain some pond water. You may see green filamentous structures floating in it. Take some of these structures on a slide. Put a drop of glycerine on them and cover them with a coverslip. Observe under a microscope. The green filamentous structures you see are an alga named Spirogyra, which grows in ponds, ditches and springs.
Which of the following are correct about fragmentation ? (a) It is found in algae like spirogyra, fucus. In this process adult organism breaks up into two or more pieces called fragments. (b) Each fragment grows up to become a new plant. Multicellular organisms with simple body organistion can divide or reproduce by fragmentation. (c) Organisms with complex structure cannot undergo cell by cell division. It is a kind of sexual reproduction. | |||
| Right Option : A | |||
| View Explanation | |||
Asexual reproduction takes place through fragmentation in ___________________________ . | |||
| Right Option : A | |||
| View Explanation | |||
In spirogyra, asexual reproduction takes place by ______________________ | |||
| Right Option : A | |||
| View Explanation | |||
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