Question

किस शैवाल में तंतु नलिकाकार एवं पट्टरहित होते हैं ?

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Answer 1

Answer:

spirogyra

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Answer 2

Vaucheria

Explanation:

• The group of algae which can be characterised by the structure of the tubular filament and are aseptate that is without the transverse cell wall are called siphons algae.
• Due to the lack of transverse cell wall, these cells undergo repeated nuclear division and become coenocytic in nature that is become multinucleate.
• The siphon algae include the species of Vaucheria, Palmeria and many others.

Thus, Vaucheria is the correct answer.

To learn more:

1. Types of algae: https://brainly.in/question/3915341

2. What is coenocyte:  https://brainly.in/question/3575466

hese algae are characterized by a siphonous or coenocytic construction, consisting of tubular filaments lacking transverse cell walls. These algae undergo repeated nuclear division without forming cell walls; hence they are unicellular, but multinucleate (or coenocytic). The sparsely branched tube of Vaucheria (Heterokontophyta) (Figure 1.14) is an example of coenocyte or apocyte, a single cell containing many nuclei.