M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Botany
BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES AND
PTERIDOPHYTES
Day Date: Saturday, 18-11-2017 Max Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Attempt totally five questions.
Question no.1 is compulsory
Attempt any two questions from question no.2 to 4
Attempt any two questions from question no.5 to 7
Figures to the right indicate full marks.
Q.1 Choose the correct alternative and rewrite the sentences: 14
In flagellated algal cell, the flagellum develops from
Chloroplasts Mitochondria
Blepharoplast None of these
In a algal cell, chloroplast contains stigma which can also be called as

Eye spot Lamella
Fibril Both a and b
have double layered unit membrane.
Chloroplast Mitochondria
E R All the above
Car and Whitton (1973) named layers from BGA cell walls.
L-I L-II L-III
L-IV All the above
The cytoplasm of BGA is differentiated in to
Ooplasm Both c and d
Centroplasm Chromoplasm
are absent from the cells of class Cyanophyceae.
Mitochonrdia Dictyozomes
Plastids All the above
Bryophytes are divided into different classes by Smith (1955).
Four Three
Eleven Twelve
Two layered wall of Riccia sporophyte is called
Foot Seta and capsule
Spores Calyptra
Cryptogamic plants include
Algae Fungi
Bryophytes All the above
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SLR-MD-124
10) stele is regarded as the most advance one
Sipohono Haplo
Atacto Dictyo
11) was the first to give a separate rank as a division to the
bryophytes.
Schimper (1867) Smith (1955)
Braun (1864) Silver fern
12) Mesipteris belongs to the
Pteropsida Lycopsida
Psilopsida Sphenopsida
13) Aga-Agar is obtained algae.
Gracilaria sp Gelidium sp
Pterocladia sp All the above
14) The major preservatives used for algal preservation are
Formalin Lugol's solution
Glutaraldehyde All the above
Q.2 Describe the aquatic habitats of algae. 07
Describe the salient features of Rhodophyceae. 07
Q.3 Discuss the diversity in Sphenopsida and Pteropsida w.r. to Morphology. 07
Describe the multicellular forms of algae. 07
Q.4 Describe the salient features and phylogeny of polytrichales. 07
Explain the modern trend of classification in pteridophytes. 07
Q.5 Describe the sexual reproduction in algae. 05
Describe the interrelationship between Anthocerotales and Sphagnales. 05
Describe the method of cultivation of algae. 04
Q.6 Describe the modern trends of classification in bryophytes. 05
Describe the salient features of Funariales. 05
Add a note on telome concept in pteridophytes. 04
Q.7 Writes note on any three: 14
Add a note on modern trends of classification in algae.
Give salient features of lycopsida.
Describe the current trends of research in pteridophytes.
Describe the life cycle of bryophyte.