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Free download in PDF Sexual Reproduction in Flowering Plants Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Female gametophyte
[A]
Pollen grain
[B]
Ovule
[C]
Embryo sac
[D]
Tapetum
(2)
Residual persistent nucleus
[A]
Pericarp
[B]
Germ pore
[C]
Hilum
[D]
Perisperm
(3)
Fusion of male and female gamete is called as
[A]
Double fertilization
[B]
Triple fusion
[C]
Syngamy
[D]
Artificial hybridization
(4)
The nutrition for developing pollen grains is obtained from
[A]
Tapetium
[B]
Exine
[C]
Middle layer layer
[D]
None of these
(5)
In female reproductive structure ovule how many megaspores are functional.
[A]
one
[B]
two
[C]
three
[D]
All
(6)
Apple is an example of ---fruit
[A]
True fruit
[B]
False fruit
[C]
Parthenocarpic fruit
[D]
Apomictic fruits
(7)
The resistant material present in the outer layer of pollen grains are made up of
[A]
Cellulose
[B]
Pectine
[C]
Sporopollinin
[D]
Amylose
(8)
Which seed has a viability of 10,000 yrs.
[A]
Lupinus arcticus
[B]
Date palm
[C]
Rice
[D]
Phoenix dactylifera
(9)
Microspore development occurs within
[A]
Microsporangium
[B]
Endothecium
[C]
Micropyle
[D]
Nucellus
(10)
Name a flower pollinated by bird.
[A]
Agave
[B]
Grass
[C]
Vallisneria
[D]
Red silk cotton
(11)
Pollen grains are well preserved as fossils because of……
[A]
Germ pores
[B]
Sporopollenin
[C]
Cryopreservation
[D]
None of these
(12)
Yucca plant is pollinated by
[A]
Bird
[B]
Water
[C]
Moth
[D]
Wind
(13)
Many insects may consume pollen without bringing out pollination such floral visitors are referred to as :
[A]
Pollen inhibitors
[B]
Pollen robbers
[C]
Pollinators
[D]
None of these
(14)
which of the following statement is not true
[A]
Tapetum helps in the dehiscence of anther
[B]
Exine of pollen grains are made of sporopollinin
[C]
Pollen grains of many species causes allergy
[D]
None of the above
Answer: Tapetum helps in the dehiscence of anther
(15)
An example for a plant that provides safe places to lay eggs as floral rewards for pollination
[A]
Viola
[B]
Amorphophallus
[C]
Maize
[D]
Vallisneria
(16)
Presence of more than one embryos in Seed without fertilization is
[A]
Somatic hybridization
[B]
Budding
[C]
Apomixis
[D]
Polyembrony
(17)
Which one of the following statement is not correct
[A]
The offsprings produced by asexual rep. are called clones
[B]
Microscopic motile asexual reproductive structures are called zoospores
[C]
In potato, ginger and banana the new plantlets are arise from internodes of modified stem
[D]
None of the above
Answer: In potato, ginger and banana the new plantlets are arise from internodes of modified stem
(18)
Which one of the following generate new genetic variation
[A]
Vegetative propagation
[B]
Sexual reproduction
[C]
Parthenogenesis
[D]
None of the above
Answer: Sexual reproduction
(19)
In majority of Angiosperms
[A]
Egg has filiform apparatus
[B]
Egg has many antipodal cells
[C]
Reduction division occurs in the megaspore cells
[D]
A small central cell is present in the Embryosac
Answer: A small central cell is present in the Embryosac
(20)
The ovule of an angiosperm is technically called.
[A]
Megasporangium
[B]
Megasporophyll
[C]
Megaspore mother cell
[D]
Megaspore
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