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Sexual Reproduction in Flowering Plants

136 Questions Start NEET Test
All Exams NEET AIIMS
2017 Q51 NEET MCQ
10 Mar 2026
A dioecious flowering plant prevents both
A.
autogamy and geitonogamy
B.
geitonogamy and xenogamy
C.
cleistogamy and xenogamy
D.
autogamy and xenogamy.
2017 Q52 NEET MCQ
10 Mar 2026
Functional megaspore in an angiosperm develops into an
A.
endosperm
B.
embryo sac
C.
embryo
D.
ovule.
2017 Q53 NEET MCQ
10 Mar 2026
Double fertilisation is exhibited by
A.
algae
B.
fungi
C.
angiosperms
D.
gymnosperms.
2016 Q54 NEET MCQ
10 Mar 2026
Pollination in water hyacinth and water lily is brought about by the agency of
A.
water
B.
insects or wind
C.
birds
D.
bats.
2016 Q55 NEET MCQ
10 Mar 2026
In majority of angiosperms
A.
egg has a filiform apparatus
B.
there are numerous antipodal cells
C.
reduction division occurs in the megaspore mother cells
D.
a small central cell is present in that embryo sac.
2016 Q56 NEET MCQ
10 Mar 2026
The ovule of an angiosperm is technically equivalent to
A.
megasporangium
B.
megasporophyll
C.
megaspore mother cell
D.
megaspore.
2016 Q57 NEET MCQ
10 Mar 2026
Proximal end of the filament of stamen is attached to the
A.
Placenta
B.
thalamus or prtal
C.
anther
D.
connective.
2016 Q58 NEET MCQ
10 Mar 2026
Which of the following statements is not correct?
A.
Pollen germination and pollen tube growth are regulated by chemical componrnts of pollen interacting with those of the pistil.
B.
Some reptiles have also been reported as pollinators in some plant species.
C.
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
D.
Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.
2016 Q59 NEET MCQ
10 Mar 2026
Seed formation without fertilisation in flowering plants involves the process of
A.
somatic hybridisation
B.
apomixis
C.
sporulation
D.
budding.
2016 Q60 NEET MCQ
10 Mar 2026
The coconut water from tender coconut represents
A.
free nuclear proembryo
B.
free nuclear endosperm
C.
endocarp
D.
fleshy mesocarp.
2016 Q61 NEET MCQ
10 Mar 2026
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.
2016 Q62 NEET MCQ
10 Mar 2026
Match Column-I with Column-II and select the correct option using the codes given below –
Column I Column II
(a) Pistils fused together (i) Gametogenesis
(b) Formation of gametes (ii) Pistillate
(c) Hyphae of higher Ascomycetes (iii) Syncarpous
(d) Unisexual female flower (iv) Dikaryotic
A.
(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv)
B.
(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
C.
(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)
D.
(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)
2015 Q63 NEET MCQ
10 Mar 2026
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 Q64 NEET MCQ
10 Mar 2026
Flowers are unisexual in
A.
China rose
B.
onion
C.
pea
D.
cucumber.
2015 Q65 NEET MCQ
10 Mar 2026
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 Q66 NEET MCQ
10 Mar 2026
Filiform apparatus is characteristic feature of
A.
aleurone cell
B.
synergids
C.
generative cell
D.
nucellar embryo.
2015 Q67 NEET MCQ
10 Mar 2026
Which one of the following fruits is parthenocarpic?
A.
Jackfruit
B.
Banana
C.
Brinjal
D.
Apple
2015 Q68 NEET MCQ
10 Mar 2026
In angiosperms, microsporogenesis and mega-sporogenesis
A.
involve meiosis
B.
occur in ovule
C.
occur in anther
D.
form gametes without further divisions.
2015 Q69 NEET MCQ
10 Mar 2026
Transmission tissue is characteristic feature of
A.
dry stigma
B.
wet stigma
C.
hollow style
D.
solid style.
2015 Q70 NEET MCQ
10 Mar 2026
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 Q71 NEET MCQ
10 Mar 2026
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 Q72 NEET MCQ
10 Mar 2026
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 Q73 NEET MCQ
10 Mar 2026
Which one of the following may require pollinators, but is genetically similar to autogamy?
A.
Apogamy
B.
Cleistogamy
C.
Geitonogamy
D.
Xenogamy
2014 Q74 NEET MCQ
10 Mar 2026
Non-albuminous seed is produced in
A.
maize
B.
castor
C.
wheat
D.
pea.
2014 Q75 NEET MCQ
10 Mar 2026
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 Q76 NEET MCQ
10 Mar 2026
Pollen tablets are available in the market for
A.
in vitro fertilization
B.
breeding programmes
C.
supplementing food
D.
ex situ conservation.
2014 Q77 NEET MCQ
10 Mar 2026
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 Q78 NEET MCQ
10 Mar 2026
An aggregate fruit is one which develops from
A.
multicarpellary syncarpous gynoecium
B.
multicarpellary apocarpus gynoecium
C.
complete inflorescence
D.
multicarpellary superior ovary.
2014 Q79 NEET MCQ
10 Mar 2026
Which one of the following shows isogamy with non-flagellated gametes?
A.
Sargassum
B.
Ectocarpus
C.
Ulothrix
D.
Spirogyra
2013 Q80 NEET MCQ
10 Mar 2026
Megaspores are produced from the megaspore mother cells after
A.
mitotic division
B.
formation of thick wall
C.
differentiation
D.
meiotic division.
2013 Q81 NEET MCQ
10 Mar 2026
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 Q82 NEET MCQ
10 Mar 2026
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 Q83 NEET MCQ
10 Mar 2026
Albuminous seeds store their reserve food mainly in
A.
endosperm
B.
cotyledons
C.
hypocotyl
D.
perisperm.
2013 Q84 NEET MCQ
10 Mar 2026
Animal vectors are required for pollination in
A.
Vallisneria
B.
mulberry
C.
cucumber
D.
maize.
2013 Q85 NEET MCQ
10 Mar 2026
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 Q86 NEET MCQ
10 Mar 2026
Advantage of cleistogamy is
A.
no dependence on pollinators
B.
vivipary
C.
higher genetic variability
D.
more vigorous offsprins.
2013 Q87 NEET MCQ
10 Mar 2026
Megasporangium is equivalent to
A.
nucellus
B.
ovule
C.
embryo sac
D.
fruit.
2013 Q88 NEET MCQ
10 Mar 2026
Seed coat is not thin, membranous in
A.
groundnut
B.
gram
C.
maize
D.
coconut.
2013 Q89 NEET MCQ
10 Mar 2026
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 Q90 NEET MCQ
10 Mar 2026
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 Q91 NEET MCQ
10 Mar 2026
Meiosis takes place in
A.
gemmule
B.
megaspore
C.
meiocyte
D.
conidia.
2012 Q92 NEET MCQ
10 Mar 2026
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 Q93 NEET MCQ
10 Mar 2026
Plants with ovaries having only one or a few ovules, are generally pollinated by
A.
bees
B.
butterflies
C.
birds
D.
wind.
2012 Q94 NEET MCQ
10 Mar 2026
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 Q95 NEET MCQ
10 Mar 2026
Even in absence of pollinating agents seed-setting is assured in
A.
Commelina
B.
Zostera
C.
Salvia
D.
fig.
2012 Q96 NEET MCQ
10 Mar 2026
Both, autogamy and geitonogamy are prevented in
A.
Papaya
B.
cucumber
C.
castor
D.
maize.
2012 Q97 NEET MCQ
10 Mar 2026
Which one of the following is correctly matched?
A.
Onion$-$Bulb
B.
Ginger$-$Sucker
C.
Chlamydomonas$-$Conidia
D.
Yeast$-$Zoospores
2012 Q98 NEET MCQ
10 Mar 2026
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 Q99 NEET MCQ
10 Mar 2026
In angiosperms, functional megaspore develops into
A.
embryo sac
B.
ovule
C.
endosperm
D.
pollen sac.
2011 Q100 NEET MCQ
10 Mar 2026
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.