MCQ Test

Question 1

Double fertilization occurs in:

Gymnosperms

Angiosperms

Bryophytes

Pteridophytes

Question 2

The process of double fertilization was discovered by:

Strasburger

B. M. Johansen

Nawaschin

Hofmeister

Question 3

In double fertilization, one male gamete fuses with:

Egg cell

Synergid

Central cell

Polar nuclei

Question 4

The second male gamete fuses with:

Egg cell

Central cell

Synergid

Antipodal

Question 5

The product of the fusion of the sperm with the egg cell is called:

Endosperm

Zygote

Embryo sac

Polar nucleus

Question 6

The product of fusion of sperm with two polar nuclei is:

Diploid

Triploid

Tetraploid

Haploid

Question 7

Double fertilization ensures:

Formation of male gametes

Simultaneous formation of zygote and endosperm

Formation of pollen grains

Fertilization in gymnosperms

Question 8

Which structure in the embryo sac fuses with sperm during fertilization?

Synergid

Egg cell

Antipodal cell

Polar nuclei

Question 9

The second male gamete fuses with polar nuclei to produce:

Cotyledons

Primary endosperm nucleus

Embryo

Ovule

Question 10

The number of male gametes involved in double fertilization:

1

2

3

4

Question 11

The tube nucleus in pollen grain:

Divides into gametes

Forms pollen tube

Forms synergids

Forms antipodals

Question 12

The generative cell in pollen divides to form:

One sperm

Two sperm

Egg

Zygote

Question 13

The structure that receives pollen during pollination is:

Ovule

Anther

Stigma

Style

Question 14

In angiosperms, the female gametophyte is called:

Embryo

Embryo sac

Endosperm

Ovule

Question 15

The typical number of cells in a mature embryo sac is:

4

6

7

8

Question 16

Which cells guide the entry of pollen tube into the embryo sac?

Antipodal

Synergids

Polar nuclei

Egg cell

Question 17

In Polygonum type embryo sac, the number of polar nuclei is:

1

2

3

4

Question 18

Which of the following is not part of the embryo sac?

Egg cell

Synergid

Generative cell

Antipodal cell

Question 19

The entry point of pollen tube in the embryo sac is called:

Micropyle

Chalaza

Funiculus

Hilum

Question 20

The type of endosperm formed in most angiosperms is:

Diploid

Triploid

Haploid

Tetraploid

Question 21

The process by which sperm nucleus fuses with egg nucleus is called:

Karyogamy

Syngamy

Plasmogamy

Fertilization

Question 22

The fusion of sperm with egg nucleus is called:

Triple fusion

Syngamy

Autogamy

Pollination

Question 23

Fusion of sperm with polar nuclei is called:

Syngamy

Triple fusion

Autogamy

Fertilization

Question 24

Double fertilization ensures synchronization between:

Embryo and pollen formation

Embryo and endosperm formation

Ovule and seed coat formation

Pollen and ovule maturation

Question 25

The process of pollen tube entry and sperm release is called:

Fertilization

Pollination

Pollen germination

Syngamy

Question 26

In angiosperms, fertilization occurs in:

Ovary

Ovule

Style

Stigma

Question 27

The primary endosperm nucleus develops into:

Embryo

Endosperm tissue

Seed coat

Pollen grain

Question 28

The zygote develops into:

Endosperm

Embryo

Cotyledon

Seed coat

Question 29

The nutritive tissue for embryo in angiosperms is:

Zygote

Endosperm

Cotyledon

Ovule

Question 30

The male gametes are formed inside:

Ovule

Anther

Ovary

Style

Question 31

The common type of embryo sac in angiosperms is:

Fritillaria type

Allium type

Polygonum type

Oenothera type

Question 32

In gymnosperms, double fertilization is:

Common

Absent

Same as angiosperms

Partial

Question 33

In some plants like Plumbago, endosperm is:

Diploid

Triploid

Haploid

Tetraploid

Question 34

Fusion of sperm with synergid occurs in:

Angiosperms

Gymnosperms

Bryophytes

None

Question 35

Triple fusion results in:

Diploid zygote

Triploid primary endosperm nucleus

Haploid embryo

Diploid endosperm

Question 36

The type of fertilization where one sperm fuses with egg and the other degenerates is called:

Single fertilization

Double fertilization

Autogamy

Cross fertilization

Question 37

In which type of endosperm formation, fertilization is not required?

Nuclear

Cellular

Helobial

Autonomous

Question 38

The process of double fertilization prevents:

Wastage of nutrients

Zygote formation

Pollen formation

Seed coat formation

Question 39

In monocots like Zea mays, double fertilization results in:

Diploid endosperm

Triploid endosperm

No endosperm

Diploid zygote only

Question 40

The egg cell is located:

At micropylar end

At chalazal end

Near polar nuclei

At funiculus

Question 41

The number of nuclei involved in triple fusion is:

2

3

4

5

Question 42

Double fertilization is advantageous because:

Embryo grows before pollination

Endosperm develops only if zygote is formed

Male gametes are wasted

Pollen tube grows faster

Question 43

In Polygonum type embryo sac, number of synergids:

1

2

3

4

Question 44

Number of antipodal cells in Polygonum type embryo sac:

1

2

3

4

Question 45

Male gametes are released in embryo sac by:

Syngamy

Pollen tube discharge

Triple fusion

Germination

Question 46

Double fertilization ensures:

Only zygote formation

Only endosperm formation

Formation of both zygote and endosperm

Fertilization in gymnosperms

Question 47

Polar nuclei fuse with sperm during:

Syngamy

Triple fusion

Germination

Pollination

Question 48

Fertilization in angiosperms is:

Internal and double

External and single

Internal and single

External and double

Question 49

Which part degenerates after fertilization in the embryo sac?

Synergids

Egg cell

Antipodal cells

Polar nuclei

Question 50

The process of double fertilization is significant for:

Pollen dispersal

Efficient use of resources and embryo nourishment

Seed coat development

Pollination

📘 MCQ Test

Question 1

Double fertilization occurs in:

Question 2

The process of double fertilization was discovered by:

Question 3

In double fertilization, one male gamete fuses with:

Question 4

The second male gamete fuses with:

Question 5

The product of the fusion of the sperm with the egg cell is called:

Question 6

The product of fusion of sperm with two polar nuclei is:

Question 7

Double fertilization ensures:

Question 8

Which structure in the embryo sac fuses with sperm during fertilization?

Question 9

The second male gamete fuses with polar nuclei to produce:

Question 10

The number of male gametes involved in double fertilization:

Question 11

The tube nucleus in pollen grain:

Question 12

The generative cell in pollen divides to form:

Question 13

The structure that receives pollen during pollination is:

Question 14

In angiosperms, the female gametophyte is called:

Question 15

The typical number of cells in a mature embryo sac is:

Question 16

Which cells guide the entry of pollen tube into the embryo sac?

Question 17

In Polygonum type embryo sac, the number of polar nuclei is:

Question 18

Which of the following is not part of the embryo sac?

Question 19

The entry point of pollen tube in the embryo sac is called:

Question 20

The type of endosperm formed in most angiosperms is:

Question 21

The process by which sperm nucleus fuses with egg nucleus is called:

Question 22

The fusion of sperm with egg nucleus is called:

Question 23

Fusion of sperm with polar nuclei is called:

Question 24

Double fertilization ensures synchronization between:

Question 25

The process of pollen tube entry and sperm release is called:

Question 26

In angiosperms, fertilization occurs in:

Question 27

The primary endosperm nucleus develops into:

Question 28

The zygote develops into:

Question 29

The nutritive tissue for embryo in angiosperms is:

Question 30

The male gametes are formed inside:

Question 31

The common type of embryo sac in angiosperms is:

Question 32

In gymnosperms, double fertilization is:

Question 33

In some plants like Plumbago, endosperm is:

Question 34

Fusion of sperm with synergid occurs in:

Question 35

Triple fusion results in:

Question 36

The type of fertilization where one sperm fuses with egg and the other degenerates is called:

Question 37

In which type of endosperm formation, fertilization is not required?

Question 38

The process of double fertilization prevents:

Question 39

In monocots like Zea mays, double fertilization results in:

Question 40