What is basis of classification of algae?

Question 1: What is the basis of classification of algae? Answer: The presence or absence of pigments is the main basis of classification of algae.

What are the 3 main classifications of algae?

There are 3 classes of algae: Chlorophyceae, Rhodophyceae, Phaeophyceae.

What are the 7 levels of classification for algae?

Annotated classification
  • Division Chlorophyta (green algae) …
  • Division Chromophyta. …
  • Division Cryptophyta. …
  • Division Rhodophyta (red algae) …
  • Division Dinoflagellata (Pyrrophyta) …
  • Division Euglenophyta.

What type of flagella are found in green algae?

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[A] : Flagella found in green algae are of tinsel type .

What are the 11 classification of algae?

There are 11 types of algae such as Chlorophyceae (Green algae), Phaeophyceae (Brown Algae), Rhodophyceae (Red Algae), Xanthophyceae (Yellow-Green Algae), Chrysophyceae (Golden Algae), Bacillariophyceae (Diatoms), Cryptophyceae, Dinophyceae, Chloromonadineae, Euglenineae, and Cyanophyceae or Myxophyceae (Blue-green …

Do green algae have flagella?

The green alga is a microscopic breaststroke swimmer. The movements of its two flagella are synchronised by mechanical forces: its swimming strokes slow down or accelerate, depending on how the cell rocks while swimming.

How many types of flagella are in algae?

There are two types of flagella namely whiplash (Acronematic) and tinsel (pantonematic). Flagella or cilia( sing. flagellum / cilium) are organs of locomotion that occur in a majority of algal classes. There are two types of flagella namely whiplash (Acronematic) and tinsel (pantonematic).

What are flagella in algae?

In addition to being an organelle which moves the cell through an aqueous environment the flagellar apparatus reacts to the mechanical, chemical, gravitational and light stimulation of the cell. It also plays an important role during sexual fusion of isogamous, anisogamous and oogamous species of green algae.

Where are flagella found in algae?

The flagellum membrane merges into the cell membrane, where the nine pairs of axonemal microtubules enter the main body of the cell.

What are the 4 main types of algae?

The different divisions include:
  • Euglenophyta (Euglenoids)
  • Chrysophyta (Golden-brown algae and Diatoms)
  • Pyrrophyta (Fire algae)
  • Chlorophyta (Green algae)
  • Rhodophyta (Red algae)
  • Paeophyta (Brown algae)
  • Xanthophyta (Yellow-green algae)

What are the different types of algae?

Algae/Representative species

What are the classifications and the general characteristics of algae?

Algae are eukaryotic organisms that have no roots, stems, or leaves but do have chlorophyll and other pigments for carrying out photosynthesis. Algae can be multicellular or unicellular. Unicellular algae occur most frequently in water, especially in plankton.

How many types of algae are there in the world?

Algae have been estimated to include anything from 30,000 to more than 1 million species.

Which algae does not have flagella?

So, the correct option is ‘Spirogyra‘

What is the scientific name of algae?

The algae are further grouped into various phyla and the suffix –phyta is used in the classification of algae: Euglenophyta (euglenids), Chrysophyta (diatoms), Pyrrophyta (dinoflagellates), Chlorophyta (green algae), Phaeophyta (brown algae), and Rhodophyta (red algae).

What is the study of algae called?

phycology, also called algology, the study of algae, a large heterogeneous group of chiefly aquatic plants ranging in size from microscopic forms to species as large as shrubs or trees.

How many types of flagella are in algae?

There are two types of flagella namely whiplash (Acronematic) and tinsel (pantonematic). Flagella or cilia( sing. flagellum / cilium) are organs of locomotion that occur in a majority of algal classes. There are two types of flagella namely whiplash (Acronematic) and tinsel (pantonematic).

What are flagella in algae?

In addition to being an organelle which moves the cell through an aqueous environment the flagellar apparatus reacts to the mechanical, chemical, gravitational and light stimulation of the cell. It also plays an important role during sexual fusion of isogamous, anisogamous and oogamous species of green algae.

What are the types of flagella?

The three types of flagella are bacterial, archaeal, and eukaryotic.

What are the 5 types of flagella?

There are six types of flagella: Atrichous, Monotrichous, Amphitrichous, Lophotrichous, Peritrichous and Cephalotrichous. 8.

What are the 3 parts of flagella?

Flagella are the organelles for bacterial locomotion. These supramolecular structures extend from the cytoplasm to the cell exterior and are composed of three major structural elements, the basal body, the hook and the filament (Fig. 1).

What is the main function of flagella?

Flagellum is primarily a motility organelle that enables movement and chemotaxis. Bacteria can have one flagellum or several, and they can be either polar (one or several flagella at one spot) or peritrichous (several flagella all over the bacterium).

What is the structure of flagella?

The bacterial flagellum is a motile organelle composed of thousands of protein subunits. The filamentous part that extends from the cell membrane is called the axial structure and consists of three major parts, the filament, hook, and rod, and other minor components.