M.Sc. (Semester III) (CBCS) Examination Nov/Dec-2018
Botany
PLANT EMBRYOLOGY AND PALYNOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Draw a neat, well labeled, complete diagram wherever necessary.
Use of calculators, cell phones, or any other electronic gadgets is
prohibited.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
Gametophyte developed directly from sporophyte without meiosis is
Apospory Parthenogenesis
Amphimixis Apogamy
Intine of pollen grains is made up of
Lipid and protein Pectin and lignin
Lignin and cutin Cellulose and pectin
Ovule with one integument is ovule.
Ategmic Multitegmic
Bitegmic Unitegmic
Callose is highly
impermeable permeable
semipermeable all of them
Entry of pollen tube through integument is
chalazogamy mesogamy
porogamy pseudogamy
In male gamete fuses with egg.
porogamy siphonogany
syngamy triple fusion
The first polyembryony was reported in seeds by Antoni van
Leeuwenhoek in 1719.
Guava Banana
Grape Orange
The branch which deals with study of pollen grain is
Cytology Palynology
Genetics Paleobotany
If the types of pollen may vary considerably in size, aperture, stratification of
exine, etc. then such taxa are termed as
stenopalynous unipalynous
eurypalynous None of them
10) Bee collected pollens are devoid of
Proteins Vitamins
Starch Chlorophyll
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SLR-VD-102
11) family is Stenopalynous.
Poaceae Convolvulaceae
Verbenaceae Rubiaceae
12) helps in search of source of oil reservoirs.
Bryophyte Algae
Microfossils Lichens
13) Pollen grains are stored by methods.
Organic solvents Freezing temperatures
Cryopreservation All b c
14) is not hay fever test.
Scratch test Intra-cutaneous test
Western blot and ELISA Passive transfer
Q.2 Answer the following:- (Any four) 08
Describe pollen wall.
Draw neat labelled diagram of typical embryo sac of Angiosperm.
Describe function of generative cell.
What is Pollenkitt?
Describe types of stigma.
Write notes on. (Any two) 06
Structure of exine
Pollen germination
Bee bread
Q.3 Answer the following:- (Any two) 08
Describe male gametophyte
Write note on embryo culture.
What is pollen calendar? Give its importance.
Write note (Any one) 06
Explain application of palynology in plant taxonomy with reference to
Gymnosperms.
Describe any two types of Polyembryony.
Q.4 Answer the following:- (Any two) 10
Describe in brief application of anther culture technique.
Give account on branches of palynology.
Role of microfossils in oil exploration.
Write note (Any one) 04
Entry of pollen tube
Melittopalynology
Q.5 Answer the following:- (Any two) 14
Describe brief outline of development of male gametophyte.
Write an illustrated account of double fertilization and its significance.
Describe pollen pistil interactions with its significance.