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NEET Biology MCQ
Sexual Reproduction In Flowering Plants Mcq
Quiz 11
Solution
Q.1.
on 323 Embryo develops from
21%
a) Egg cell
53%
b) Zygote
21%
c) Egg-apparatus
6%
d) Synergids
Q.2.
on 324 Nucellus in seed is represented by
18%
a) Testa
42%
b) Peri carp
12%
c) Tagmen
28%
d) Seed Coat
Q.3.
on 325 2 to 3 celled male gametophyte, starts its further development after pollination
14%
a) In the style
38%
b) In the ovary
35%
c) on the stigma
14%
d) In the ovule
Q.4.
on 326 Which of the following statements is false regarding Vallisneria?
12%
a) Dioecious
19%
b) Epihydrophily
38%
c) Endospermous
31%
d) Monocot
Q.5.
on 327 Double fertilization and triple fusion were discovered by:
8%
a) Winkler
46%
b) Nawaschin
18%
c) Strasburger
28%
d) Leeuwenhoek
Q.6.
on 328 Endospermic seeds are found in:
3%
a) Gram
79%
b) Castor
0%
c) Bean
17%
d) Pea
Q.7.
on 329 Flowers, which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
7%
a) water
21%
b) bee
55%
c) wind
17%
d) bat
Q.8.
on 330 In Angiosperms, female gametophyte is:
50%
a) Embryo sac
23%
b) Ovule
27%
c) Carpel
0%
d) Nucellus
Q.9.
on 331 Ruminate endosperm is found in:
15%
a) Castor
31%
b) Sunflower
31%
c) Annona
23%
d) Pea
Q.10.
on 332 Pollen tube enters the embryo sac through
8%
a) Integument
67%
b) Micropyle
12%
c) chalaza
12%
d) Funicle
Q.11.
on 333 After fertilization the ovule develops into
15%
a) Endosperm
38%
b) seed
15%
c) Embryo sac
31%
d) Fruit
Q.12.
on 334 . Seeds of orchids are:
12%
a) Endospermic
8%
b) Albuminous
50%
c) Non – endospermic
31%
d) Both (A) and (B)
Q.13.
dentify the most advanced tapetum:
8%
a) Amoeboid
33%
b) Glandular
21%
c) Invasive
38%
d) Periplasmodial
Q.14.
on336 Transfer of pollen to the stigma is called
4%
a) Fertilization
12%
b) Germination
73%
c) pollination
12%
d) Gametogenesis
Q.15.
on 337 Unisexual flowers prevent
4%
a) Pollination
4%
b) Breeding
86%
c) Self-pollination
7%
d) Cross fertilization
Q.16.
on 338 Pollen tube is formed by
38%
a) Germ pore
17%
b) Exine
25%
c) Style
21%
d) Intine
Q.17.
on 339 In an angiosperm, the pollen mother cells are differentiated from:
83%
a) Sporogenous tissue
4%
b) Nucellus
13%
c) Parietal cells
0%
d) Integument
Q.18.
on 340 Stamen is a modification of
10%
a) Leaf
52%
b) Microsporophyll
10%
c) Megasporophyll
29%
d) Shoot
Q.19.
on 341 How many cells are formed in a mature female gametophyte ?
41%
a) Eight
5%
b) Six
5%
c) Two
50%
d) Seven
Q.20.
on 342 Pro-embryo is a
48%
a) 8 celled structure
19%
b) 4 celled structure
29%
c) 2 celled structure
5%
d) 16 celled structure
Q.21.
on 343 Out of the four sets of appendages of a typical flower the outer two sets are
24%
a) Fertile
24%
b) Reproductive
40%
c) Sterile
12%
d) Filamentous
Q.22.
on 344 The function of the filiform apparatus is
11%
a) To nourish the pollen grain
84%
b) To guide the entry of pollen tube
0%
c) To develop pollen tube
5%
d) To carry pollen tube through style
Q.23.
on 345 Embryo of flowering plant is always -
33%
a) Haploid (n)
57%
b) Diploid (2n)
5%
c) Triploid (3n)
5%
d) Tetraploid (4n)
Q.24.
on 346 Pollen tube enters the micropyle into through
11%
a) Female gamete
22%
b) Ovary
50%
c) Female gametophyte
17%
d) Nucellus
Q.25.
on 347 . How many megaspore mother cell are produced in a nucellus ?
4%
a) 3
46%
b) 1
23%
c) 2
27%
d) 4
Q.26.
on 348 Which of the following cell is diploid?
16%
a) Synergid
5%
b) Antipodal cell
74%
c) Secondary nucleus
5%
d) Egg cell
Q.27.
on 349 Future sporophytic generation in a seed is
37%
a) Cotyledon
11%
b) Endosperm
26%
c) Hypocotyl
26%
d) Embryo
Q.28.
on 350 Cells of nucellus are always
37%
a) Haploid
11%
b) Triploid
37%
c) Diploid
16%
d) Enucleated
Q.29.
on 351 How many haploid nuclei are involved in double fertilization ?
27%
a) Four
32%
b) Two
14%
c) Five
27%
d) Three
Q.30.
on 352 . Plant embryo develops from.
10%
a) seed
5%
b) Fruit
86%
c) Zygote
0%
d) Flower
Q.31.
on 353 The protective cover of the radicle in maize seed is called
11%
a) Micorhiza
0%
b) Coleptile
44%
c) Scutelum
44%
d) Coleorhiza
Q.32.
on 354 Radicle tip is derived from
22%
a) Suspensor
11%
b) Proembryo
39%
c) Basal cell
28%
d) Hypophysis
Q.33.
on 355 The mature pollen grain contains
10%
a) 3 cells
40%
b) 7 cells
40%
c) 2 cells
10%
d) 1 cell
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