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Q.

Which of the following is correct for two stages in the life cycle of moss?

 ProtonemaLeafy stage
(1)Bear sex organCreeping and green stage
(2)Directly develop from sporeDevelop from secondary protonema as a lateral bud
(3)Consist upright slender axisAttached to soil by rhizoids
(4)Branched, green and filamentousUndergoes budding

 

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a

2

b

3

c

1

d

4

answer is B.

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Detailed Solution

The first stage is the protonema stage, which develops directly from a spore.

The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud.

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