Write few important features of mosses

2

(a)

Which pteridophyte are useful in nitrogen-fixation and how?

2

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Give one word answer for following.
(i) In brown algae, what is the function of frond present?
(ii) Name the constituents of cell wall in green algae.

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Which gymnosperm provide these items?
i) Taxol
ii) Cabada balsam
iii) Tannius
iv) Copal

2

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You are given microsporophyll of gymnosperms and angiosperms without any labeling. How will you differentiate both?

2

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How do angiosperms support pollinators to carry out pollination is contrast to gymnosperms?

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Which algae belong to class- Chlorophyceae?

2

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Explain briefly the following terms with suitable examples - Sporophylls.

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Explain briefly the following terms with suitable examples - Isogamy.

2

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What is the name of pigments present in Chlorophyceae?

2

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What is the name of food stored in Rhodophyceae?

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Which brjophute shows independent male and female gametophytic plants?

2

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Which is the special organ in Angiosperms which bear sexual parts?

2

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There are two slides having transverse sections of different sterns. What character will help you identify if they are from a monocot plant or from a dicot plant?

2

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The male and female reproductive organs of several pteridophytes and gymnosperms are comparable to floral structures of angiosperms. Make an attempt to compare the reproductive parts in the table given below?

Pteridophytes & Gymnosperms	Angiosperms
Strobila/cones	a
Archegonia	b
Anthridia	c
Spores	d

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