Q.1
In orthotropous ovule, the micropyle and chalaza are ... .. [ AFMC 1998 ]
  • a) Parallel to funiculus
  • b) At right angles to funiculus
  • c) Oblique angle to funiculus
  • d) In straight line with funiculus
Q.2
Adventitive polyembryony/from nucellar cells occurs in ... ... [ RPMT 2011 ]
  • a) Poa
  • b) Brassica
  • c) Allium
  • d) Citrus
Q.3
Raphe is ... ... [ CPMT 2007 ]
  • a) Ridge formed by fused funiculus
  • b) Funicle attached to ovule
  • c) Part of nucellus
  • d) Part of flower
Q.4
The tenuinucellate ovule has ... ..
  • a) Large amount of nucellus
  • b) Small amount of nucellus
  • c) Micropylar nucellus
  • d) Chalazal nucellus
Q.5
Pollination by birds is ... .. [ HPPMT 2005 ]
  • a) Malacophily
  • b) Ornithophily
  • c) Chiropterophily
  • d) Myrmecophily
Q.6
A natural sequence of developmental stages in the life cyle of an angiosperm is ... ..[ AIIMS 1991 ]
  • a) Cleavage → Fertilization → Differentiation → Fruit formation
  • b) Pollination → Fertilization → Seed formation → Germination
  • c) Germination → Double fertilization → Endosperms formation → Seed dispersal
  • d) Maturation → Mitosis → Differentiation → Fertilization
Q.7
Tapetal cells of stamens are ... ... [ AMU 2003 ]
  • a) Diploid uninucleate
  • b) Tetraploid binucleate
  • c) Hexaploid tetranucleate
  • d) Polyploid multinucleate
Q.8
Despite high level of heterozygosity, the progeny derived from a seed of cross pollinated plant was found to be completely uniform. One reason can be ... .... [ BHU 1994 ]
  • a) Induced mutation
  • b) Polyploidy
  • c) Apomixis
  • d) Parthenocarpy
Q.9
Cleistogamous flower is found in ... ... [ JKCMEE 2011]
  • a) Tobacco
  • b) Mirabilis
  • c) Viola
  • d) None of the above
Q.10
Pollen tube deposits its inclusions in ... ... [ RPMT 1998]
  • a) Central cell
  • b) Synergids
  • c) Oosphere
  • d) Antipodal cells
Q.11
In fertilized ovule, n, 2n and 3n conditions occur respectively in ... ... [ BHU 1990]
  • a) Antipodal, egg and endosperm
  • b) Egg, nucellus and endosperm
  • c) Endosperm, nucellus and egg
  • d) Antipodals, synergids and integuments
Q.12
Which occurs after double fertilization ... ... [ kerala 2012 ]
  • a) pollen grain germinates over stigma
  • b) pollen tube enters the embryo sac
  • c) Two male gametes are discharged into embryo sac
  • d) PEN develops into endosperm
Q.13
In Cucumber, pollen tube enters embryo sac through ... ... [ Manipur 2005 ]
  • a) Integuments
  • b) Micropyle
  • c) Endosperm
  • d) Chalaza
Q.14
During formation of pollen grains, a microspore mother cell undergoes ... ... [ CBSE 2001 ]
  • a) One meiotic division
  • b) One mitotic division
  • c) One meiotic and one mitotic division
  • d) One meiotic and two mitotic divisions
Q.15
Effect of pollen on character of pericarp and seed coat is ... .. [ AMU 2002 ]
  • a) Xenia
  • b) Metaxenia
  • c) Ruminante endosperm
  • d) Chimera
Q.16
Development of sporophyte/embryo from gametophytic tissue without fusion of gametes is .. ... [ Pb PMT2000]
  • a) Apospory
  • b) Apogamy
  • c) Apomixix
  • d) parthenogenesis
Q.17
Intraspecific cross pollination is ... ... [ HPPMT 2010 ]
  • a) Allogamy
  • b) Geitonogamy
  • c) Xenogamy
  • d) Alloautogamy
Q.18
Movement of pollen tube towards embryo sac is ... ... [ BHU 2002 ]
  • a) Thermotactic
  • b) Phototactic
  • c) Chemotatic
  • d) Thigmotactic
Q.19
In angiosperms functional megaspore develops into ... .. [ CBSE mains 2011]
  • a) Endosperms
  • b) Embryo sac
  • c) Ovule
  • d) Pollen sac
Q.20
Embryo sac is ... ... [ Bih PMT 2002 ]
  • a) Microgametophyte
  • b) Microsporangium
  • c) Megagametophyte
  • d) Megasporangium
Q.21
Ovules of Capsella and Pisum sativum are ... .. [ RPMT 1995 ]
  • a) Orthotropous
  • b) Anatropous
  • c) Amphitropous
  • d) Campylotropous
Q.22
Which pair has haploid nature ... ... [ CBSE 2008 ]
  • a) Nucellus and antipodal cells
  • b) Egg nucleus and secondary nucleus
  • c) Megaspore mother cell and antipodal cells
  • d) Egg cell and antipodal cells
Q.23
tion 2 What is the fate of the male gametes discharged in the synergid? [NEET 2019]
  • a) One fuses with egg other(s) degenerate(s) in the synergid.
  • b) All fuse with the egg.
  • c) One fuses with the egg, other(s) fuse(s) with synergid nucleus.
  • d) One fuses with the egg and other fuses with central cell nuclei.
Q.24
Parthenocarpic fruits are produced by ... ... [ CBSE 2006 ]
  • a) Treating plants with phenyl mercuric acetate
  • b) treating plants with low concentration of gibberellic acid and auxin
  • c) Removing androecium of flowers before release of pollen grains
  • d) Raising plants from vernalised seeds
Q.25
Match the columns
a) Zoophily 1) Pollination by birds
b) Ornithophily 2) Pollination by insects
c) Entomophily 3) Pollination by bats
d) Chiropterophily 4) Pollination by animal
  • a) a - 3, b - 2, c - 1, d - 4
  • b) a - 1, b - 2, c - 3, d - 4
  • c) a - 4, b - 1, c - 2, d - 3
  • d) a - 4, b - 2, c - 3, d - 1
Q.26
Number of chromosomes is 24 in nucelus. Number of chromosomes in microspore mother cell would be .. .. [ AMU 2001 ]
  • a) 36
  • b) 30
  • c) 24
  • d) 12
Q.27
Genotypically the pollen grains produced an anther belong to ... ... [ CPMT 1991]
  • a) One type
  • b) Two types
  • c) Many types
  • d) All the above
Q.28
Function of guiding and attracting pollen tube is done by ... ... [ AFMC 2002 ]
  • a) Egg cell
  • b) Filiform apparatus
  • c) Antipodal cells
  • d) Secondary nucleus
Q.29
In double fertilization, male gamete and secondary nucleus form ... ... [ AFMC 1999 ]
  • a) Endosperm
  • b) Gamete
  • c) Embryo
  • d) Egg
Q.30
Gametogenesis is haploid plants involves ... ... [ AMU 2011 ]
  • a) Binary fission
  • b) Meiosis
  • c) Mitosis
  • d) Amitosis
Q.31
Assertion: In some species of asteraceae and poaceae, seeds are formed without fertilization Reason: Formation of fruit without fertilization is called parthenocarpy ... ... [ AIIMS 2011]
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.32
What is wrong ... ... [ DPMT 2011]
  • a) Pollen grains remain viable for several months because of sporopollenin covering
  • b) No enzyme can degrade sporopollenin
  • c) Pollen grains are well represented in fossil strata due to sporopollenin
  • d) Pollen wall has cavities containing proteins
Q.33
Suspensor of embryo is formed by ... ... [ MHTCET 2008 ]
  • a) Basal cell
  • b) Apical cell
  • c) Terminal cell
  • d) Hypophysis
Q.34
In angiosperms, endosperm is formed by .... ....
  • a) Division of fused polar nuclei
  • b) Free nuclear division of megaspore
  • c) Division of fused synergids and male gamete
  • d) Division of fused polar nuclei and male
Q.35
Female gamete of angiosperms is represented by ... .. [ AMU 1998]
  • a) Oospore
  • b) Carpel
  • c) Egg
  • d) Pollen grain
Q.36
Maturation of anthers and stigma at the same time is ... ... [ JIPMER 2000 ]
  • a) Allogamy
  • b) Xenogamy
  • c) Homogamy
  • d) Dichogamy
Q.37
Embryo sac occurs in ... ... [ CBSE 1991 ]
  • a) Embryo
  • b) Axis part of embryo
  • c) Ovule
  • d) Endosperm
Q.38
Fibrous thickenings of hygroscopic nature are found in this part of anther ... .. [ EAMCET 2005 ]
  • a) Epidermis
  • b) Tapetum
  • c) Middle layer
  • d) Endothecium
Q.39
Chromosome number in oosphere isThe number in angiospermic endosperm shall be ... ... [ CPMT 1994 ]
  • a) 8
  • b) 12
  • c) 16
  • d) 24
Q.40
Which is not true ... ...
  • a) Pollen grain are released from anthers at 2-celled stage
  • b) Sporogenous cell directly behave as megaspore mother cell
  • c) Megaspore divides twice to form an 8-nucleate embryo sac
  • d) Endosperm is triploid
Q.41
In mesogamy, pollen tube enters the ovule through ... ... [ Manipla 1997 ]
  • a) Middle of integuments after piercing the tissues
  • b) Middle of integuments without piercing the tissues
  • c) Chalaza
  • d) Middle of micropyle
Q.42
Ovule is inverted with body fused to funicle, micropyle laying close to hilum and facing the placenta. It is ... ... [ BHU 1998 ]
  • a) Hemitropous
  • b) Orthotropous
  • c) Anatropous
  • d) Campylotropous
Q.43
Nucellae embryo is .. .. [ CBSE 1989]
  • a) Amphimictic haploid
  • b) Amphimictic diploid
  • c) Apomictic haploid
  • d) Apomictic diploid
Q.44
For self pollination, a flower should be ... ... [ Har PMT 2005 ]
  • a) Asexual
  • b) Monosexual
  • c) Unisexual
  • d) Bisexual
Q.45
Fore-runner of male gamete is ... ... [ MHTCET 2010 ]
  • a) Megasporangium
  • b) Antipodal cell
  • c) Microspore mother cell
  • d) Embryo sac
Q.46
Pollenkitt is formed from ... ... [ CPMT 2001 ]
  • a) Endothecium
  • b) Middle layers
  • c) Microspore mother cell
  • d) Tapetum
Q.47
Fusion of one male gamete with egg and other of the same pollen tube with two polar nuclei is ... ... [ AIIMS 2005 ]
  • a) Triple fusion
  • b) Vegetative fertilization
  • c) Double fertilization
  • d) parthenogenesis
Q.48
Vegetative fertilization, which involves formation of endosperm, is fusion of ... ... [ JKCMEE 2003 ]
  • a) One male gamete with diploid secondary nucleus
  • b) Two vegetative cells
  • c) Two male gametes
  • d) Female gamete with secondary nucleus
Q.49
Polar nuclei are located in ... .. [ CPMT 1994]
  • a) Pollen tube
  • b) Embryo sac
  • c) Ovule
  • d) Thalamus
Q.50
Plants with one or a few ovules are generally pollinated by [ CBSE 2012 ]
  • a) Wind
  • b) Bees
  • c) Birds
  • d) Butterflies
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