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What is the function of filiform apparatus at the entrance into ovule ?
Guides pollen tube from synergid to egg
Helps in the entry of pollen tube into a synergid
Prevents entry of more than one pollen tube into a synergid
Brings about opening of the pollen Libe
Intraspecific incompatibility is overcome by
self pollination
welting of anthers
wetting of stigmas
mixed oollination
In plant part having two generations is
embryo
unfertilized ovule
germinated pollen grain
seed
In a type of apomixis called adventive embryony embryos develop directly from
nucellus or integument
zygote
synergids or antipodals of embryo sac
Accessory embryo sacs in the ovule
Function of tapetum is
protective
nutritive
respiratory Id
all the above
Endosperm is completely consumed by the developing embryo in Pea and Groundnut
Maize and Castor
Castor and Groundnut
Maize and Pea
Double fertilization involves
fertilization of egg and central cell by two sperms brought by two different pollen tubes
Fertilization of egg and central cell by two sperms brought by same pollen tube
fertilization of an egg by two male gametes
fertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube
An advantage of cleistogamy is
each visit of pollinator brings hundered of pollen grains
seed set is not dependent on pollinators
it leads to 2rversity
seed dispersal is more efficient and widespread
A callose covering is present over
male gamete
microspore mother cell
egg
pollen grain
The smallest gymnosperm is
Zamia sp.
Eucalyptus
Wolfia sp.
Sequoia sp.
In lichens Algal component is known as
mycobiont
Phycobiont
A & B
none of these
Helophiles is also called
Eubacteria
Actinomycetes
Cynobacteria
Archae bacteria
A Prothallus is
A structure in pteridophytes formed before the thallus develops
A sporophytic free living structure formed in pteridophytes
A gametophyte free living structure formed in pteridophytes
A primitive structure formed after fertilization in pteridophytes
If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm
36
18
54
72
Which of the following is the administrative headquarters of Lakshadweep ?
Andaman and Nicobar Island
Malabar coast
Pitti Island
Kavaratti Island
Where is Indias only active volcano found ?
Lakshadweep Island
Andaman and Nicobar Island
Kavaratti Island
None of the above
A triangular landmass that lies to the south of the river Narmada.
The Deccan Plateau
The Peninsular Plateau
The Chotanagpur Plateau
None of the above
Education Loans
Granted for studies in India and abroad
All of above
Cover tuition fee and expenses
Are repayable after completion of course
Your doll does not need food because it is a
Dead thing
Living Thing
Non-living thing
Which of the following is a non-living thing?
Rose plant
Pencil
Rabbit
