Question

Sporangia and spore bearing leaf in fern is called as

• A. Sorus
• B. Sporophyll /frond
• C. Ramentum
• D. Indusium

Answer 1

The correct option is B

Sporophyll /frond

The correct option is B

The explanation of the correct option :

1. In ferns, sporangia and spore-producing leaves are referred to as sporophylls or fronds.
2. A sporophyll is a type of leaf that contains sporangia.
3. Sporophylls can be microphylls or megaphylls.
4. Sporophylls in heterosporous plants carry either megasporangia or microsporangia.
5. Sporophyll morphology and arrangement vary greatly and may or may not resemble sterile leaves.

The explanation of the incorrect option :

Option A :

The shape, arrangement, and location of the sori are also helpful in identifying fern taxa.

Option C :

Ramenta, or brown hairy scales, cover the underground rhizome, young leaves, and adult leaf rachis.

Option D :

When the spores are mature and ready for release, the indusia typically shrivel or bend backward to reveal the sporangia.

Final answer : Sporangia and spore bearing leaf in fern is called as Sporophyll /frond