Question:
Read the following statements (a - e) and answer as asked
(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 above statements are correct
Read the following statements (a - e) and answer as asked
(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 above statements are correct
Updated On: Aug 6, 2024
- Two
- Three
- Four
- One
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Equisetum- Pteridophytes-free living gametophyte-Prothallus.
Riccia- It is liverwort in which simplest sporophyte consists of capsule only while polytrichum is moss in which sporphyte consists of foot seta and capsule.
Volvox- oogamy is present.
Slime moulds- Spores bear cell wall.
Riccia- It is liverwort in which simplest sporophyte consists of capsule only while polytrichum is moss in which sporphyte consists of foot seta and capsule.
Volvox- oogamy is present.
Slime moulds- Spores bear cell wall.
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Concepts Used:
Pteridophytes
Pteridophytes are the first terrestrial vascular plants. Carolus Linnaeus classified them under the group cryptogamae. Pteridophytes occupy a transitional position between bryophytes and spermatophytes.
For Example, Silver fern, Equisetum, Selaginella
The general characteristics of Pteridophytes are:
- They are seedless.
- They are multicellular.
- They reproduce through spores.
- They are independent and free-living organisms.
- They have a well-differentiated plant body into root, stem and leaves.
Classification of Pteridophytes:
Life Cycle of Pteridophyta:
