2016
NEET
MCQ
NEET 2016 Phase 1
Which one of the following statements is not true?
A.
Pollen grains of many species cause severe allergies.
B.
Stored pollen in liquid nitrogen can be used in the crop breeding programmes.
C.
Tapetum helps in the dehiscence of anther.
D.
Exine of pollen grains is made up of sporopollenin.
2015
NEET
MCQ
AIPMT 2015
Male gametophyte in angiosperms produces
A.
single sperm and two vegetative cells
B.
three sperms
C.
two sperms and a vegetative cell
D.
single sperm and a vegetative cell.
2015
NEET
MCQ
AIPMT 2015
Flowers are unisexual in
A.
China rose
B.
onion
C.
pea
D.
cucumber.
2015
NEET
MCQ
AIPMT 2015
Coconut water from a tender coconut is
A.
innermost layers of the seed coat
B.
degenerated nucellus
C.
immature embryo
D.
free nuclear endosperm.
2015
NEET
MCQ
AIPMT 2015
Filiform apparatus is characteristic feature of
A.
aleurone cell
B.
synergids
C.
generative cell
D.
nucellar embryo.
2015
NEET
MCQ
AIPMT 2015
Which one of the following fruits is parthenocarpic?
A.
Jackfruit
B.
Banana
C.
Brinjal
D.
Apple
2015
NEET
MCQ
AIPMT 2015
In angiosperms, microsporogenesis and mega-sporogenesis
A.
involve meiosis
B.
occur in ovule
C.
occur in anther
D.
form gametes without further divisions.
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Transmission tissue is characteristic feature of
A.
dry stigma
B.
wet stigma
C.
hollow style
D.
solid style.
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Which one of the following statements is not true?
A.
The flowers pollinated by files and bats secrete foul odour to attract them.
B.
Honey is made by bees by digesting pollen collected from flowers.
C.
Pollen grains are rich in nutrients and they are used in the form of tablets and syrups.
D.
Pollen grains of some plants cause severe allergies and bronchial afflictions in some people.
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Which of the following are the important floral rewards to the animal pollinators ?
A.
Floral fragrance and calcium crystals
B.
Protein pellicle and stigmatic exudates
C.
Colour and large size of flower
D.
Nectar and pollen grains
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
The hilum is a scar on the
A.
seed, where funicle was attached
B.
fruit, where style was present
C.
fruit, where it was attached to pedicel
D.
seed, where micropyle was present
2015
NEET
MCQ
AIPMT 2015 Cancelled Paper
Which one of the following may require pollinators, but is genetically similar to autogamy?
A.
Apogamy
B.
Cleistogamy
C.
Geitonogamy
D.
Xenogamy
2014
NEET
MCQ
AIPMT 2014
Non-albuminous seed is produced in
A.
maize
B.
castor
C.
wheat
D.
pea.
2014
NEET
MCQ
AIPMT 2014
Function of filiform apparatus is to
A.
recognize the suitable pollen at stigma
B.
stimulate division of generative cell
C.
produce nectar
D.
guide the entry of pollen tube.
2014
NEET
MCQ
AIPMT 2014
Pollen tablets are available in the market for
A.
in vitro fertilization
B.
breeding programmes
C.
supplementing food
D.
ex situ conservation.
2014
NEET
MCQ
AIPMT 2014
Geitonogamy involves
A.
fertilization of a flower by the pollen from another flower of the same plant
B.
fertilization of a flower by the pollen from the same flower
C.
fertilization of a flower by the pollen from a flower of another plant in the same population
D.
fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.
2014
NEET
MCQ
AIPMT 2014
An aggregate fruit is one which develops from
A.
multicarpellary syncarpous gynoecium
B.
multicarpellary apocarpus gynoecium
C.
complete inflorescence
D.
multicarpellary superior ovary.
2014
NEET
MCQ
AIPMT 2014
Which one of the following shows isogamy with non-flagellated gametes?
A.
Sargassum
B.
Ectocarpus
C.
Ulothrix
D.
Spirogyra
2013
NEET
MCQ
NEET 2013 (Karnataka)
Megaspores are produced from the megaspore mother cells after
A.
mitotic division
B.
formation of thick wall
C.
differentiation
D.
meiotic division.
2013
NEET
MCQ
NEET 2013 (Karnataka)
Which of the following statements is correct?
A.
Sporopollenin can be degraded by enzymes.
B.
Sporopollenin is made up of inorganic materials.
C.
Sporopollenin can withstand high temperatures as well as strong acids and alkalis.
D.
Sporopollenin can withstand high temperatures but not strong acids.
2013
NEET
MCQ
NEET 2013 (Karnataka)
Which one of the following statements is correct?
A.
Cleistogamous flowers are always autogamous.
B.
Xenogamy occurs only by wind pollination.
C.
Chasmogamous flowers do not open at all.
D.
Geiotonogamy involves the pollen and stigma of flowers of different plants.
2013
NEET
MCQ
NEET 2013 (Karnataka)
Albuminous seeds store their reserve food mainly in
A.
endosperm
B.
cotyledons
C.
hypocotyl
D.
perisperm.
2013
NEET
MCQ
NEET 2013 (Karnataka)
Animal vectors are required for pollination in
A.
Vallisneria
B.
mulberry
C.
cucumber
D.
maize.
2013
NEET
MCQ
NEET 2013
Perisperm differs from endosperm in
A.
being a diploid tissue
B.
its formation by fusion of secondary nucleus with several sperms
C.
being a haploid tissue
D.
having no reserve food.
2013
NEET
MCQ
NEET 2013
Advantage of cleistogamy is
A.
no dependence on pollinators
B.
vivipary
C.
higher genetic variability
D.
more vigorous offsprins.
2013
NEET
MCQ
NEET 2013
Megasporangium is equivalent to
A.
nucellus
B.
ovule
C.
embryo sac
D.
fruit.
2013
NEET
MCQ
NEET 2013
Seed coat is not thin, membranous in
A.
groundnut
B.
gram
C.
maize
D.
coconut.
2013
NEET
MCQ
NEET 2013
Which one of the following statements is correct?
A.
Endothecium produces the microspores.
B.
Tapetum nourishes the developing pollen.
C.
Hard outer layer of pollen is called intine.
D.
Sporogenous tissue is haploid.
2013
NEET
MCQ
NEET 2013
Product of sexual reproduction generally generates
A.
new genetic combination leading to variation
B.
large biomass
C.
longer viability of seeds
D.
prolonged dormancy.
2013
NEET
MCQ
NEET 2013
Meiosis takes place in
A.
gemmule
B.
megaspore
C.
meiocyte
D.
conidia.
2012
NEET
MCQ
AIPMT 2012 Mains
What is the function of germ pore?
A.
Emergence of radicle
B.
Absorption of water for seed germination
C.
Initiation of pollen tube
D.
Release of male gametes
2012
NEET
MCQ
AIPMT 2012 Mains
Plants with ovaries having only one or a few ovules, are generally pollinated by
A.
bees
B.
butterflies
C.
birds
D.
wind.
2012
NEET
MCQ
AIPMT 2012 Mains
Which one of the following statements is wrong?
A.
When pollen is shed at two-celled stage, double fertilization does not take place.
B.
Vegetative cell is larger than generative cell.
C.
Pollen grains in some plants remain viable for months.
D.
Intine is made up of cellulose and pectin.
2012
NEET
MCQ
AIPMT 2012 Prelims
Even in absence of pollinating agents seed-setting is assured in
A.
Commelina
B.
Zostera
C.
Salvia
D.
fig.
2012
NEET
MCQ
AIPMT 2012 Prelims
Both, autogamy and geitonogamy are prevented in
A.
Papaya
B.
cucumber
C.
castor
D.
maize.
2012
NEET
MCQ
AIPMT 2012 Prelims
Which one of the following is correctly matched?
A.
Onion$-$Bulb
B.
Ginger$-$Sucker
C.
Chlamydomonas$-$Conidia
D.
Yeast$-$Zoospores
2012
NEET
MCQ
AIPMT 2012 Prelims
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
A.
cuticle
B.
sporopollenin
C.
lignin
D.
cellulose.
2011
NEET
MCQ
AIPMT 2011 Mains
In angiosperms, functional megaspore develops into
A.
embryo sac
B.
ovule
C.
endosperm
D.
pollen sac.
2011
NEET
MCQ
AIPMT 2011 Mains
What is common between vegetative reproduction and apomixts?
A.
Both are applicable to only dicot plants
B.
Both bypass the flowering phase
C.
Both occur round the year
D.
Both produced progeny identical to the parent.
2011
NEET
MCQ
AIPMT 2011 Prelims
Wind pollination is common in
A.
legumes
B.
lilies
C.
grasses
D.
orchids.
2011
NEET
MCQ
AIPMT 2011 Prelims
Nucellar polyembryony is reported in species of
A.
Citrus
B.
Gossypium
C.
Triticum
D.
Brassica.
2011
NEET
MCQ
AIPMT 2011 Prelims
Which one of the following pollinations is autogamous?
A.
Geitonogamy
B.
Xenogamy
C.
Chasmogamy
D.
Cleistogamy
2011
NEET
MCQ
AIPMT 2011 Prelims
The ''eyes'' of the potato tuber are
A.
root buds
B.
flower buds
C.
shoot buds
D.
axillary buds.
2011
NEET
MCQ
AIPMT 2011 Prelims
Filiform apparatus is a characteristic feature of
A.
suspensor
B.
egg
C.
synergid
D.
zygote.
2010
NEET
MCQ
AIPMT 2010 Mains
Vegetative propagation in Pistia occurs by
A.
stolon
B.
offset
C.
runner
D.
sucker.
2010
NEET
MCQ
AIPMT 2010 Mains
Examine the figures (A-D) given below and
select the right option out of (a – d), in which
all the four structures A, B, C and D are
identified correctly.
A.
A $ \to $ offset, B $ \to $ Antheridiophore, C $ \to $ Antipodals, D $ \to $ Oogonium
B.
A $ \to $ Rhizome, B $ \to $ Sporangiophore, C $ \to $ Polar cell, D $ \to $ Globule
C.
A $ \to $ Sucker, B $ \to $ Seta, C $ \to $ Megaspore mother cell
, D $ \to $ Gemma
cup
D.
A $ \to $ Runner, B $ \to $ Archegoniophore, C $ \to $ Synergidl, D $ \to $ Antheridium
2010
NEET
MCQ
AIPMT 2010 Prelims
Apomictic embryos in Citrus arise form
A.
synergids
B.
maternal sporophytic tissue in ovule
C.
antipodal cells
D.
diploid egg.
2010
NEET
MCQ
AIPMT 2010 Prelims
Transfer of pollen grains from the another to the stigma of another flower of the same plant is called
A.
xenogamy
B.
geitonogamy
C.
karyogami
D.
autogamy.
2010
NEET
MCQ
AIPMT 2010 Prelims
Wind pollinated flowers are
A.
small, brightly coloured, producing large number of pollen grains
B.
small, producing large number of dry pollen grains
C.
large producing abundant nectar and pollen
D.
small, producing nectar and dry pollen.
2009
NEET
MCQ
AIPMT 2009
Vegetative propagation in mint occurs by
A.
offset
B.
rhizome
C.
sucker
D.
runner.