| (i) In Equisetum, the female gametophyte is retained on the parent sporophyte. |
| (ii) In Ginkgo, male gametophyte is not independent. |
| (iii) The sporophyte in Riccia is more developed than that in Polytrichum. |
| (iv) Sexual reproduction in Volvox is isogamous. |
| (v) The spores of slime molds lack cell walls. |
| How many of the above statements are correct? |
A) Two
B) Three
C) Four
D) One
Correct Answer: A
Solution :
[a] Statement (i) and (ii) are correct. Riccia is liverwort in which simplest sporophyte consists of capsule only while Polytrichum is moss in which sporophyte consists of foot, seta & capsule. Volvox is a fresh water green colonial alga. Reproduction is both sexual and asexual. Sexual reproduction is oogamous. Slime moulds are consumer decomposer protists. They possess characters of plants (cellulosic cell wall), animals (phagotrophic nutrition) and fungi (spores).
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