In the sporogonium of which plant, columella is present ? from B

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

211.

In which kingdom, would you classify the archaea and nitrogen-fixing organisms. If the five-kingdom system of classification is used?

  • Protista

  • Monera

  • Plantae

  • Fungi


212.

Which of the following has multiflagellate sperms?

  • Equisetum

  • Riccia

  • Lycopodium

  • Anthoceros


213.

Which of the following is important source of edible protein?

  • Spirogyra

  • Porphyra

  • spirulina

  • Cephaleuros


214.

Name the fungus that is edible

  • Penicillium

  • Mucor

  • Rhizopus

  • Morchella


Advertisement
215.

In Whittaker's system of classification, prokaryotes belong to the kingdom

  • Monera

  • Protista

  • Animalia

  • Fungi


216.

Medicine for curing respiratory problems is obtained from

  • Ephedra

  • Calotropis

  • Eucalyptus

  • Cannabis


217.

The slime moulds are characterized by the presence of :

  • elaters

  • pseudoelaters

  • capillitium

  • capitulum


218.

Dikaryon formation is characteristic of :

  • ascomycetes and basidiomycetes

  • phycotnycetes and basidiomycetes

  • ascomycetes and phycomycetes

  • phycomycetes and zygomycetes


Advertisement
219.

Trochophore is the larva of :

  • Neopilina

  • Chiton

  • Pila

  • all of these


Advertisement

220.

In the sporogonium of which plant, columella is present ?

  • Penicillium

  • Spirogyra

  • Rhizopus

  • Ulothrix


C.

Rhizopus

Rhizopus is a member of Class- Zygomycetes. The sporangium of Rhizopus is divided into two regions, i.e. outer fertile sporiferous zone and a central sterile columella. Columella (in plants) is an axis of sterile tissue which passes through the center of the spore-case of mosses. 


Advertisement
Advertisement