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NEET Biology MCQ
Sexual Reproduction In Flowering Plants Mcq
Quiz 11
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Q.1
on 323 Embryo develops from
0%
a) Egg cell
0%
b) Zygote
0%
c) Egg-apparatus
0%
d) Synergids
Explanation
Answer:(b)
Q.2
on 324 Nucellus in seed is represented by
0%
a) Testa
0%
b) Peri carp
0%
c) Tagmen
0%
d) Seed Coat
Explanation
Answer:(b)
Q.3
on 325 2 to 3 celled male gametophyte, starts its further development after pollination
0%
a) In the style
0%
b) In the ovary
0%
c) on the stigma
0%
d) In the ovule
Explanation
Answer:(c)
Q.4
on 326 Which of the following statements is false regarding Vallisneria?
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a) Dioecious
0%
b) Epihydrophily
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c) Endospermous
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d) Monocot
Explanation
Answer:(c)
Q.5
on 327 Double fertilization and triple fusion were discovered by:
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a) Winkler
0%
b) Nawaschin
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c) Strasburger
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d) Leeuwenhoek
Explanation
Answer:(b)
Q.6
on 328 Endospermic seeds are found in:
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a) Gram
0%
b) Castor
0%
c) Bean
0%
d) Pea
Explanation
Answer:(b)
Q.7
on 329 Flowers, which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
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a) water
0%
b) bee
0%
c) wind
0%
d) bat
Explanation
Answer:(c)
Q.8
on 330 In Angiosperms, female gametophyte is:
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a) Embryo sac
0%
b) Ovule
0%
c) Carpel
0%
d) Nucellus
Explanation
Answer:(a)
Q.9
on 331 Ruminate endosperm is found in:
0%
a) Castor
0%
b) Sunflower
0%
c) Annona
0%
d) Pea
Explanation
Answer:(c)
Q.10
on 332 Pollen tube enters the embryo sac through
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a) Integument
0%
b) Micropyle
0%
c) chalaza
0%
d) Funicle
Explanation
Answer:(b)
Q.11
on 333 After fertilization the ovule develops into
0%
a) Endosperm
0%
b) seed
0%
c) Embryo sac
0%
d) Fruit
Explanation
Answer:(b)
Q.12
on 334 . Seeds of orchids are:
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a) Endospermic
0%
b) Albuminous
0%
c) Non – endospermic
0%
d) Both (A) and (B)
Explanation
Answer:(c)
Q.13
dentify the most advanced tapetum:
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a) Amoeboid
0%
b) Glandular
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c) Invasive
0%
d) Periplasmodial
Explanation
Answer:(b)
Q.14
on336 Transfer of pollen to the stigma is called
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a) Fertilization
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b) Germination
0%
c) pollination
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d) Gametogenesis
Explanation
Answer:(c)
Q.15
on 337 Unisexual flowers prevent
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a) Pollination
0%
b) Breeding
0%
c) Self-pollination
0%
d) Cross fertilization
Explanation
Answer:(c)
Q.16
on 338 Pollen tube is formed by
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a) Germ pore
0%
b) Exine
0%
c) Style
0%
d) Intine
Explanation
Answer:(d)
Q.17
on 339 In an angiosperm, the pollen mother cells are differentiated from:
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a) Sporogenous tissue
0%
b) Nucellus
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c) Parietal cells
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d) Integument
Explanation
Answer:(a)
Q.18
on 340 Stamen is a modification of
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a) Leaf
0%
b) Microsporophyll
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c) Megasporophyll
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d) Shoot
Explanation
Answer:(b)
Q.19
on 341 How many cells are formed in a mature female gametophyte ?
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a) Eight
0%
b) Six
0%
c) Two
0%
d) Seven
Explanation
Answer:(d)
Q.20
on 342 Pro-embryo is a
0%
a) 8 celled structure
0%
b) 4 celled structure
0%
c) 2 celled structure
0%
d) 16 celled structure
Explanation
Answer:(b)
Q.21
on 343 Out of the four sets of appendages of a typical flower the outer two sets are
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a) Fertile
0%
b) Reproductive
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c) Sterile
0%
d) Filamentous
Explanation
Answer:(c)
Q.22
on 344 The function of the filiform apparatus is
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a) To nourish the pollen grain
0%
b) To guide the entry of pollen tube
0%
c) To develop pollen tube
0%
d) To carry pollen tube through style
Explanation
Answer:(b)
Q.23
on 345 Embryo of flowering plant is always -
0%
a) Haploid (n)
0%
b) Diploid (2n)
0%
c) Triploid (3n)
0%
d) Tetraploid (4n)
Explanation
Answer:(b)
Q.24
on 346 Pollen tube enters the micropyle into through
0%
a) Female gamete
0%
b) Ovary
0%
c) Female gametophyte
0%
d) Nucellus
Explanation
Answer:(c)
Q.25
on 347 . How many megaspore mother cell are produced in a nucellus ?
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a) 3
0%
b) 1
0%
c) 2
0%
d) 4
Explanation
Answer:(b)
Q.26
on 348 Which of the following cell is diploid?
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a) Synergid
0%
b) Antipodal cell
0%
c) Secondary nucleus
0%
d) Egg cell
Explanation
Answer:(c)
Q.27
on 349 Future sporophytic generation in a seed is
0%
a) Cotyledon
0%
b) Endosperm
0%
c) Hypocotyl
0%
d) Embryo
Explanation
Answer:(d)
Q.28
on 350 Cells of nucellus are always
0%
a) Haploid
0%
b) Triploid
0%
c) Diploid
0%
d) Enucleated
Explanation
Answer:(c)
Q.29
on 351 How many haploid nuclei are involved in double fertilization ?
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a) Four
0%
b) Two
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c) Five
0%
d) Three
Explanation
Answer:(c)
Q.30
on 352 . Plant embryo develops from.
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a) seed
0%
b) Fruit
0%
c) Zygote
0%
d) Flower
Explanation
Answer:(c)
Q.31
on 353 The protective cover of the radicle in maize seed is called
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a) Micorhiza
0%
b) Coleptile
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c) Scutelum
0%
d) Coleorhiza
Explanation
Answer:(d)
Q.32
on 354 Radicle tip is derived from
0%
a) Suspensor
0%
b) Proembryo
0%
c) Basal cell
0%
d) Hypophysis
Explanation
Answer:(d)
Q.33
on 355 The mature pollen grain contains
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a) 3 cells
0%
b) 7 cells
0%
c) 2 cells
0%
d) 1 cell
Explanation
Answer:(c)
0 h : 0 m : 1 s
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