Chapter: Sexual Reproduction in Flowering Plants
1.

Plant embryo develops from.

A. seed
B. Fruit
C. Zygote
D. Flower
Answer» C. Zygote
2.

Embryo of flowering plant is always -

A. Haploid (n)
B. Diploid (2n)
C. Triploid (3n)
D. Tetraploid (4n)
Answer» B. Diploid (2n)
3.

Plant embryo is a mass of -

A. cell
B. Uncertain tissue
C. Collection of plant tissues
D. Miniature plant
Answer» D. Miniature plant
4.

Stamen is a modification of

A. Leaf
B. Microsporophyll
C. Megasporophyll
D. Shoot
Answer» B. Microsporophyll
5.

Zygote is formed inside the

A. Stigma
B. Style
C. Female gametophyte
D. Seed
Answer» C. Female gametophyte
6.

A microspore is a

A. Male gamate
B. First cell of male gametophyte
C. Last cell of male gametophyte
D. Diploid cell
Answer» B. First cell of male gametophyte
7.

An anther consists of

A. one microsporangium
B. four microsporangia
C. Two microsporangia
D. many microsporangia
Answer» B. four microsporangia
8.

Cells of nucellus are always

A. Haploid
B. Triploid
C. Diploid
D. Enucleated
Answer» C. Diploid
9.

The embryo sac is produced from

A. Microscope
B. Zygote
C. Egg cell
D. Megaspore
Answer» D. Megaspore
10.

An egg-apparatus contains

A. An egg + two antipodal
B. An egg + Secondary nucleus
C. An egg + Two synergids
D. Antipodal cell + synergid
Answer» C. An egg + Two synergids
11.

In angiosperm the endosperm nucleus is

A. Triploid
B. Diploid
C. Tetraploid
D. Haploid
Answer» A. Triploid
12.

Female gametophyte is also known as

A. ovule
B. egg-apparatus
C. Nucellus
D. Embryo sac
Answer» D. Embryo sac
13.

Embryo sac contains

A. 3 egg
B. 2 eggs
C. 1 egg
D. 4 eggs
Answer» C. 1 egg
14.

Carpel is formed of

A. Two part
B. Three part
C. Four part
D. Seven part
Answer» B. Three part
15.

The arrangement of flowers on the flora axis is known as

A. Venation
B. Phyllotaxy
C. Anthology
D. Aestivation
Answer» C. Anthology
16.

The unit of female reproductive body in flower is

A. Carpel
B. Megasporangium
C. Ovule
D. Ovary
Answer» A. Carpel
17.

After fertilization the ovule develops into

A. Endosperm
B. seed
C. Embryo sac
D. Fruit
Answer» B. seed
18.

Fruit is a modification of

A. Female gametophyte
B. ovary
C. carpel
D. Nucellus
Answer» B. ovary
19.

The seed coat develops from

A. Embryo sac
B. Inner integument
C. Nucellus
D. Outer integument
Answer» D. Outer integument
20.

Nucellus in seed is represented by

A. Testa
B. Peri carp
C. Tagmen
D. Seed Coat
Answer» B. Peri carp
21.

Pollen grain are produced in

A. Nucellu
B. Stigma
C. Anther
D. Chalaza
Answer» C. Anther
22.

Ovule is attached to the placenta by

A. pedical
B. Hilum
C. Funicle
D. petiole
Answer» C. Funicle
23.

Pollen tube enters the embryo sac through

A. Integument
B. Micropyle
C. chalaza
D. Funicle
Answer» B. Micropyle
24.

Pollen tube, entering in embryo sac has

A. 3 male gamete
B. 1 male gametes
C. 2 male gametes
D. 4 male gametes
Answer» C. 2 male gametes
25.

In flowering plants, fertilization occur in

A. Ovary
B. Embryo sac
C. Nucellus
D. Ovule
Answer» B. Embryo sac
26.

The formation of zygote without the act of syngamy is called

A. Poly embryon
B. Parthenogenesis
C. Budding
D. Apospory
Answer» B. Parthenogenesis
27.

Which phase of life cycle is dominant in the individuals of angiosperms ?

A. Gametophyte
B. Growth phase
C. Sporophyte
D. Development phase
Answer» C. Sporophyte
28.

The process by which seedless fruits are produced are known as

A. Parthenocarpy
B. Apogamy
C. Parthenogenesis
D. Apospory
Answer» A. Parthenocarpy
29.

A flower is

A. Modified stem
B. Modified leaf
C. Modified branch
D. Modified shoot
Answer» D. Modified shoot
30.

A flower is specially formed for

A. decoration
B. photosynthesis
C. reproduction
D. fragrance
Answer» C. reproduction
31.

Pollen tube enters the micropyle into through

A. Female gamet
B. Ovary
C. Female gametophyte
D. Nucellus
Answer» C. Female gametophyte
32.

Embryo develops from

A. Egg cell
B. Zygote
C. Egg-apparatus
D. Synergids
Answer» B. Zygote
33.

Fertilized secondary necleus develops into

A. Fruit
B. Embryo
C. seed
D. Endosperm
Answer» D. Endosperm
34.

Transfer of pollen to the stigma is called

A. Fertilization
B. Germination
C. pollination
D. Gametogenesis
Answer» C. pollination
35.

In ficus pollination occurs through

A. Water
B. Air
C. Bat
D. Insects
Answer» D. Insects
36.

After fertilization seed is developed from

A. Embryo
B. Embryo sac
C. Ovule
D. Zygote
Answer» C. Ovule
37.

Cross pollination is normally

A. not beneficial
B. harmful
C. more beneficial
D. rarely seen
Answer» C. more beneficial
38.

Pollen grains germinate on

A. Any surface
B. Stigma
C. soil
D. Ovule
Answer» B. Stigma
39.

An anther is also called

A. Sporangium
B. Megasporangium
C. Microsporangium
D. Stamen
Answer» C. Microsporangium
40.

The source of food for developing embryo is

A. Nucellu
B. Ovule
C. Endosperm
D. Anther
Answer» C. Endosperm
41.

Out of megaspore tetrad, the functional megaspore is

A. Any megaspore
B. middle megaspore
C. Micropylar megaspore
D. Chalazal megaspore
Answer» D. Chalazal megaspore
42.

Micropylar end lacks

A. Egg cell
B. Synergids
C. Egg-apparatus
D. Integument
Answer» D. Integument
43.

The larger cell of a pollen grain with irregular shaped nucleus is

A. Apical cell
B. Generative cell
C. Vegetative cel
D. Basal cell
Answer» C. Vegetative cel
44.

How many megaspore mothe cell are produced in a nucellus ?

A. 3
B. 1
C. 2
D. 4
Answer» B. 1
45.

How many cells are formed in a mature female gametophyte ?

A. Eight
B. Six
C. Two
D. Seven
Answer» D. Seven
46.

Transfer of a pollen grain to the stigma of the same plant is called

A. Antogamy
B. Geitonogamy
C. Allogamy
D. Homogamy
Answer» B. Geitonogamy
47.

The uppermost and largest cell of the suspensor which remains in contact with apical cells is called

A. Hypocotyl
B. Basal cell
C. Hypophysis
D. Terminal cell
Answer» C. Hypophysis
48.

The adaptation for self-pollination is

A. Herkogamy
B. Cleistogamy
C. Dichrgamy
D. Homogamy
Answer» B. Cleistogamy
49.

Which of the following cell is diploid?

A. Synergid
B. Antipodal cell
C. Secondary nucleus
D. Egg cell
Answer» C. Secondary nucleus
50.

Suspensor is produced from

A. Apical cell
B. Small upper basal cell
C. large lower basal cell
D. Hypophysis
Answer» B. Small upper basal cell

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