How many orders are contained in the series Calyciflorae?

  • A
    $10$
  • B
    $8$
  • C
    $3$
  • D
    $5$

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Similar Questions

Primary development of male and female gametophytes takes place in the sporangia itself in

Match the plant with the kind of life cycle it exhibits:
List-$I$List-$II$
$(a)$ Spirogyra$(i)$ Dominant diploid sporophyte vascular plant,with highly reduced male or female gametophyte
$(b)$ Fern$(ii)$ Dominant haploid free-living gametophyte
$(c)$ Funaria$(iii)$ Dominant diploid sporophyte alternating with reduced gametophyte called prothallus
$(d)$ Cycas$(iv)$ Dominant haploid leafy gametophyte alternating with partially dependent sporophyte

Choose the correct answer from the options given below:

What type of life cycle is exhibited by the alga shown in the figure?

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Read the following five statements $(A-E)$ and answer as asked next to them.
$(A)$ In $Equisetum$, the female gametophyte is retained on the parent sporophyte.
$(B)$ In $Ginkgo$, male gametophyte is not independent.
$(C)$ The sporophyte in $Riccia$ is more developed than that in $Polytrichum$.
$(D)$ Sexual reproduction in $Volvox$ is isogamous.
$(E)$ The spores of slime moulds lack cell walls.
How many of the above statements are correct?

Match the Column-$I$ with Column-$II$ and choose the correct option.
Column-$I$ Column-$II$
$A$. Chlorophyceae $i$. Polytrichum
$B$. Rhodophyceae $ii$. Marchantia
$C$. Liverworts $iii$. Polysiphonia
$D$. Mosses $iv$. Chara

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