What is left when bath sponges dries up from Biology NEET Year 2

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

In frog, the vertebra with an anterior convex surface (i.e., double convexties) is

  • atlas

  • urostyle

  • 8th vertebra

  • 9th vertebra


22.

The vital capacity of lungs is equal to

  • 4000 ml

  • 5000 ml

  • 6000 ml

  • 7000 ml


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23.

What is left when bath sponges dries up

  • Spicules

  • Spongin fibres

  • Tentacles

  • Holdfast


B.

Spongin fibres

Euspongia is called bath spongia. The sponge are classified on the basis of skeleton which is made up of spongin fibere. After the bath sponge dries only the skeleton is left.


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24.

RBC's are nucleated in

  • man

  • rat

  • frog

  • rabbit


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25.

A nucleoside is

  • base + sugar

  • base + phosphate

  • sugar+ phosphate

  • base + sugar+ phosphate


26.

Mannitol is reserve food in

  • Rhodophyceae

  • Chlorophyceae

  • Phaeophyceae

  • Xanthophyceae


27.

Plants growing on sand and gravel are called

  • eremophytes

  • psammophytes

  • psilophytes

  • oxylophytes


28.

The inflorescence in Ocimum is

  • cyathium

  • verticillaster

  • hypanthodium

  • raceme


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29.

The first phylogenetic system of plant classification was proposed by

  • Engler

  • Engler and Prantl

  • Eichler

  • Wetlstein


30.

Cellulose fibre is obtained from Gossypium.

  • stem surface

  • seed hair

  • leaf surface

  • root hair


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