Sexual Reproduction in Flowering Plants · Biology · NEET

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MCQ (Single Correct Answer)

NEET 2024
Identify the set of correct statements: A. The flowers of Vallisneria are colourful and produce nectar. B. The flowers of water lily are not pollinate...
NEET 2024
Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b) ...
NEET 2024
Identify the correct description about the given figure : ...
NEET 2023 Manipur
In which of the following sets of families, the pollen grains are viable for months?
NEET 2023 Manipur
Transfer of pollen grains from anther to stigma of another flower of same plant is known as :
NEET 2023 Manipur
In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is : (A) 3 successive free nuclear divisions functional ...
NEET 2023
What is the function of tassels in the corn cob?
NEET 2023
Large, colourful, fragrant flowers with nectar are seen in
NEET 2023
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
NEET 2023
Given below are two statements : One labelled as Assertion A and the other labelled as Reason R : Assertion A : In gymnosperms the pollen grains are r...
NEET 2022 Phase 2
The residual persistent part which forms the perisperm in the seeds of beet is
NEET 2022 Phase 2
To ensure that only the desired pollens fall on the stigma in artificial hybridization process (a) the female flower buds of plant producing unisexual...
NEET 2022 Phase 2
In general the egg apparatus of embryo sac in angiosperm consists of
NEET 2022 Phase 1
Given below are two statements: Statement I : Cleistogamous flowers are invariably autogamous Statement II : Cleistogamy is disadvantageous as there i...
NEET 2022 Phase 1
Identify the incorrect statement related to Pollination:
NEET 2021
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically dif...
NEET 2021
Diadelphous stamens are found in
NEET 2021
A typical angiosperm embryo sac at maturity is :
NEET 2021
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
NEET 2020 Phase 1
The body of the ovule is fused within the funicle at
NEET 2020 Phase 1
The plant parts which consist of two generations - one within the other(i) Pollen grains inside the anther (ii) Germinated pollen grain with two male ...
NEET 2019
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
NEET 2019
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as :
NEET 2019
Pinus seed cannot germinate and establish without fungal association. This is because :
NEET 2019
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
NEET 2019
Persistent nucellus in the seed is known as
NEET 2019
What is the fate of the male gametes discharged in the synergid?
NEET 2018
Which of the following has proved helpful in preserving pollen as fossils?
NEET 2018
Winged pollen grains are present in
NEET 2018
Double fertilization is
NEET 2017
Functional megaspore in an angiosperm develops into an
NEET 2017
Flowers which have single ovule in the ovary and are packed into inflorescence are usualy pollinated by
NEET 2017
A dioecious flowering plant prevents both
NEET 2017
Attractants and rewards are required for
NEET 2017
Double fertilisation is exhibited by
NEET 2016 Phase 2
In majority of angiosperms
NEET 2016 Phase 2
Pollination in water hyacinth and water lily is brought about by the agency of
NEET 2016 Phase 2
The ovule of an angiosperm is technically equivalent to
NEET 2016 Phase 1
The coconut water from tender coconut represents
NEET 2016 Phase 1
Which one of the following statements is not true?
NEET 2016 Phase 1
Seed formation without fertilisation in flowering plants involves the process of
NEET 2016 Phase 1
Proximal end of the filament of stamen is attached to the
NEET 2016 Phase 1
Which of the following statements is not correct?
AIPMT 2015
In angiosperms, microsporogenesis and mega-sporogenesis
AIPMT 2015
Filiform apparatus is characteristic feature of
AIPMT 2015
Flowers are unisexual in
AIPMT 2015
Coconut water from a tender coconut is
AIPMT 2015
Which one of the following fruits is parthenocarpic?
AIPMT 2015
Male gametophyte in angiosperms produces
AIPMT 2015 Cancelled Paper
Which one of the following may require pollinators, but is genetically similar to autogamy?
AIPMT 2015 Cancelled Paper
Which of the following are the important floral rewards to the animal pollinators ?
AIPMT 2015 Cancelled Paper
Which one of the following statements is not true?
AIPMT 2015 Cancelled Paper
Transmission tissue is characteristic feature of
AIPMT 2015 Cancelled Paper
The hilum is a scar on the
AIPMT 2014
Which one of the following shows isogamy with non-flagellated gametes?
AIPMT 2014
An aggregate fruit is one which develops from
AIPMT 2014
Geitonogamy involves
AIPMT 2014
Pollen tablets are available in the market for
AIPMT 2014
Function of filiform apparatus is to
AIPMT 2014
Non-albuminous seed is produced in
NEET 2013 (Karnataka)
Animal vectors are required for pollination in
NEET 2013 (Karnataka)
Albuminous seeds store their reserve food mainly in
NEET 2013 (Karnataka)
Which one of the following statements is correct?
NEET 2013 (Karnataka)
Megaspores are produced from the megaspore mother cells after
NEET 2013 (Karnataka)
Which of the following statements is correct?
NEET 2013
Seed coat is not thin, membranous in
NEET 2013
Meiosis takes place in
NEET 2013
Perisperm differs from endosperm in
NEET 2013
Advantage of cleistogamy is
NEET 2013
Megasporangium is equivalent to
NEET 2013
Which one of the following statements is correct?
NEET 2013
Product of sexual reproduction generally generates
AIPMT 2012 Mains
What is the function of germ pore?
AIPMT 2012 Mains
Which one of the following statements is wrong?
AIPMT 2012 Mains
Plants with ovaries having only one or a few ovules, are generally pollinated by
AIPMT 2012 Prelims
Both, autogamy and geitonogamy are prevented in
AIPMT 2012 Prelims
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
AIPMT 2012 Prelims
Which one of the following is correctly matched?
AIPMT 2012 Prelims
Even in absence of pollinating agents seed-setting is assured in
AIPMT 2011 Mains
In angiosperms, functional megaspore develops into
AIPMT 2011 Mains
What is common between vegetative reproduction and apomixts?
AIPMT 2011 Prelims
Filiform apparatus is a characteristic feature of
AIPMT 2011 Prelims
Nucellar polyembryony is reported in species of
AIPMT 2011 Prelims
Which one of the following pollinations is autogamous?
AIPMT 2011 Prelims
The ''eyes'' of the potato tuber are
AIPMT 2011 Prelims
Wind pollination is common in
AIPMT 2010 Mains
Vegetative propagation in Pistia occurs by
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 correc...
AIPMT 2010 Prelims
Apomictic embryos in Citrus arise form
AIPMT 2010 Prelims
Transfer of pollen grains from the another to the stigma of another flower of the same plant is called
AIPMT 2010 Prelims
Wind pollinated flowers are
AIPMT 2009
Vegetative propagation in mint occurs by
AIPMT 2008
Which one of the following is resistant to enzyme action?
AIPMT 2008
What does the filiform apparatus do at the entrance into ovule?
AIPMT 2008
Which one of the following pairs of plant structures has haploid number of chromosomes ?
AIPMT 2008
Unisexuality of flowers prevents
AIPMT 2007
Male gametes in angiosperms are formed by the division of
AIPMT 2007
Two plants can be conclusively said to belong to the same species if they
AIPMT 2007
Which one of the following is surrounded by a callose wall?
AIPMT 2006
Parthenocarpic tomato fruits can be produced by
AIPMT 2006
In a cereal grain the single cotyledon of embryo is represented by
AIPMT 2006
The arrangement of the nuclei in a normal embryo sac in the dicot plants is
AIPMT 2005
In a type of apomixis known as advice embryony, embryos develop directly from the
AIPMT 2005
Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
AIPMT 2005
Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other...
AIPMT 2004
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is
AIPMT 2004
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
AIPMT 2004
Anthesis is a phenomenon which refers to
AIPMT 2003
In a flowering plant, archesporium gives rise to
AIPMT 2002
In angiosperms pollen tube liberate their male gametes into the
AIPMT 2002
In angiosperm all the four microspores of tetrad are covered by a layer which is formed by
AIPMT 2002
What is the direction of micropyle in anatropous ovule?
AIPMT 2001
Anemophily type of pollination is found in
AIPMT 2001
In grasses what happens in microspore mother cell for the formation of mature pollen grains?
AIPMT 2001
Adventive embryony in Citrus is due to
AIPMT 2000
Eight nucleated embryo sac is
AIPMT 2000
Endosperm is formed during the double fertilization by
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