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problem 1:

a) Describe how the algae are used as food, fodder, fertilizer and in pharmaceutical.

b) describe the structure, reproduction and life cycles inphaeophyecae.

problem 2:

a) describe the development of sex organs and procedure of sexual reproduction in bryophytes.

b) Give an account of categorization and evolutionary tendencies of sporophyte in bryophytes.

problem 3:

a) Give an account on the categorization of pteridophytes and add anote on fossil members of pteridophytes.

b) describe the evolution of stele on pteriodephytes.

problem 4:

a) describe the evolution of male and female gametophytes in living gymnosperms.

b) Give an account on the economic uses of the gymnosperms.

problem 5: prepare short notes on the given terms:

• Bacillariophyta.
• Phylogeny of chlorophyceae and charophyceae
• General characters of bryophytes.
• Life cycles in bryophytes.
• Fossn pterideophytes.
• Heterospory.
• Ovuliferous seales.
• Cones of coniferales.

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  • Category:- Biology
  • Reference No.:- M95447

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