Question:

Which one of the following is wrong about Chara?

Updated On: Jun 23, 2024
  • Upper oogonium and lower round antheridium
  • Globule and nucule present on the same plant
  • Upper antheridium and lower oogonium
  • Globule is male reproductive structure
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The Correct Option is C

Solution and Explanation

All species of Chara reproduce sexually and show highly advanced oogamy. The sex organs are the most distinctive features of the order Charales and are the most complicated among the thallophytes. Male and female gametangia are called antheridia and oogonia respectively. Male fructification (cluster of antheridia) is called globule and the female is nucule. They are borne at the nodes of short branches, globule towards lower side and nucule (female structure) towards upper side.
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Concepts Used:

Plant Kingdom

The Plant Kingdom comprises all the plants that have some shared characteristics. These are bacteria (prokaryotes), photosynthetic plants, fungi, and several non-photosynthetic plants.

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Several features of Kingdom Plantae are as follows:

  • They are stationary. They are static and usually remain in one place only.
  • They have branches that expanded and green leaves due to the presence of chlorophyll.
  • They are an autotrophic mode of nutrition that simply means they prepare their food with the help of water, sunlight and carbon dioxide. It is further known as self-nutrition.
  • They indulge in photosynthesis during the day and therefore more carbon dioxide is needed during the day and at night it is released.
  • They secure their food in the form of starch-like algae.
  • They have an inelastic wall around their cell known as a cell wall comprised of cellulose.
  • There is an absence of the nervous system and excretory system.
  • Reproduction is entirely dependent on air, insects and water. Asexual and vegetative method of reproduction is noticed or detected.
  • The non-photosynthetic plants acquire their food through parasitism, i.e through their host like Indian pipe.

Read More: Classification of Plants