M.Sc. (Semester III) (CBCS) Examination Oct/Nov-2017
Botany
PLANT EMBRYOLOGY AND PALYNOLOGY
Day Date: Thursday, 16-11-2017 Max Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: 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
All questions carry equal marks.
Q.1 Choose the correct alternative and rewrite the sentences: 14
In angiosperms development of male gametophyte from microspore is
known as
Microsporogenesis Megasporogenesis
Microgametogenesis Megagametogenesis
The development of male gametophyte starts from
Pollen grain Megaspore
Nucleus Pollen sac
Curious rounded bodies of lipid in the tapetum are known as
Ubisch bodies Pro ubisch bodies
Protein bodies Lignin bodies
is also known as foot layer of pollen wall.
Exine Perine
Nexine Intine
The phenomenon of pinching off takes place in the
Vegetative nucleus Generative cell
Tapetum Endothecium
Vegetative nucleus acts as the for the male nuclei for their entry in
the pollen tube.
Director Supported
Pusher None of the above
The long form of FA present in the synergid is
Filiform Apparatus Fallins Agent
Fast Agent False Apparatus
Central cell plays important role in the formation of
Endosperm Embryo
Haustoria Sperms
The term Palynology has been coined for the first time by
Hyde and Williams P.K.K. Nair
G. Eradtman None of the above
10) The outer wall of the pollen is composed of
Lignin Cutin
Sporopollenin Suberin
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SLR-MD-136
11) Pollen calendar is related to
Iatropalynology Mellitopalynology
Agropalynology Paleopalynilogy
12) is the study of fossil pollen and spores.
Palynitaxomy Palaeopalynology
Aeropalynology Agropalynology
13) In the treatment of hay fever, the result obtained by the subcutaneous
injection of pollen extracts were first successfully reported by
Wyman Freeman
Noon Blackley
14) The pollen bursting in vitro medium is successfully controlled by the
addition of
Sugars Calcium
Boron Auxins
Q.2 Microsporogenesis 07
Palynotaxonomy 07
Q.3 Abnormal male gametophytes 07
Foraging behavior of bees 07
Q.4 Structure of Styles 07
Principles of Aeropalynology 07
Q.5 Another culture technique 05
Microfossils 05
Significance of Embryo culture 04
Q.6 Consequences of Apomixes 05
Pollen germination 05
Causes of Polyembryony 04
Q.7 Any three: 14
Vegetative cell
Synergids
Bee colony
Allergic properties of Pollen