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Match the following
Column I Column I
A) Chlamydomonasi) Moss
B) Cycas ii) Pteridophyta
C) Selaginellaiii) Algae
D) Sphagnum iv) Gymnosperm

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Last updated date: 03rd Mar 2024
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IVSAT 2024
Answer
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Hint: Gymnosperms are plants that are flowerless and grow cones and seeds. As gymnosperm seeds are not encased inside an ovary, the word gymnosperm literally means "naked seed." Instead, on the surface of leaf-like structures called bracts, they rest exposed.

Complete answer:
Correct match-
Column I Column II
(a) Chlamydomonas (iii) Algae
(b) Cycas (iv) Gymnosperm
(c) Selaginella (ii) Pteridophyte
(d) Sphagnum (i) Moss


Chlamydomonas is a genus of green algae consisting of approximately 325 species of all single-celled flagellates, found as 'snow algae' in stagnant water and damp soil, freshwater, seawater, and even in snow.
The type genus is Cycas, and it is the only genus recognized in the Cycadaceae family. There are around 113 species recognized. The first cycad species to be described in Western literature was Cycas circinalis, a species endemic to India, and was a form of the generic name, Cycas. The most recognized species of Cycas is Cycas revoluta.
Selaginella is the only genus in the family Selaginellaceae, spikemosses or lesser club mosses, of vascular plants. By having scale-leaves bearing a ligule and having spores of two kinds, this family is distinguished from Lycopodiaceae (the club mosses).
Sphagnum is a genus of approximately 380 recognized moss species, generally referred to as "peat moss," but they are distinct because the pH level of peat moss is more acidic. Sphagnum accumulations can store water, as both living and dead plants can retain large amounts of water within their cells; depending on the species, plants can retain 16 to 26 times as much water as their dry weight. In drier environments, the empty cells help hold water.

Note:
A pteridophyte is a vascular plant dispersing spores (with xylem and phloem). They are often referred to as "cryptogams" because pteridophytes do not produce flowers or seeds, meaning that their means of reproduction are secret.
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Match the following
Column I Column I
A) Chlamydomonasi) Moss
B) Cycas ii) Pteridophyta
C) Selaginellaiii) Algae
D) Sphagnum iv) Gymnosperm


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Plant Kingdom Class 11 | NCERT EXERCISE 3.10 | Biology Chapter 3 | Basavaraj
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