Tag: unicellular and multicellular organisms

Quizzes (0) Questions (86)

Questions Related to unicellular and multicellular organisms

Multiple choice biology cell - the structural and functional unit of life number and shape of cells unicellular and multicellular organisms diversity and classification in animals

A plant in which food stored in the form of Laminarin-

  1. Volvox

  2. Chara

  3. Ectocarpus

  4. Marchantia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ectocarpus is a brown alga (Phaeophyceae) in which food is stored in the form of complex carbohydrates such as laminarin and mannitol. Volvox stores food as starch, and Marchantia is a bryophyte.

Multiple choice biology cell - the structural and functional unit of life number and shape of cells unicellular and multicellular organisms diversity and classification in animals

The members of algae found in littoral zone is

  1. Volvox

  2. Spirogyra

  3. Ectocarpus

  4. Ulothrix.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Ectocarpus is widely distributed massive alga which grows on rocks or larger seaweeds in littoral and supra-littoral zone.
Thus, the correct answer is option C.
Multiple choice biology cell - the structural and functional unit of life number and shape of cells unicellular and multicellular organisms diversity and classification in animals

Which one of the following pairs is not correctly matched?

  1. Spirogyra- Conjugation

  2. Volvox - Oogamy

  3. Oedogonium - Cap cell

  4. Ulothrix - Heterocyst
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ulothrix reproduces via zoospores or isogamy/anisogamy, not heterocysts. Heterocysts are specialized cells found in certain cyanobacteria like Nostoc or Anabaena for nitrogen fixation.