MCQ Test

Question 1

The primary endosperm nucleus is formed by the fusion of:

Two male gametes

Male gamete and egg cell

Male gamete and polar nuclei

Egg cell and polar nuclei

Question 2

The ploidy of the primary endosperm nucleus is:

Haploid

Diploid

Triploid

Tetraploid

Question 3

The type of endosperm found in coconut is:

Nuclear

Cellular

Helobial

Free-nuclear

Question 4

Endosperm provides:

Protection to seed

Food for embryo

Support for fruit development

Water for embryo

Question 5

In which type of endosperm, cell walls are formed after several free-nuclear divisions?

Cellular

Nuclear

Helobial

Triploid

Question 6

Helobial endosperm is found in:

Maize

Cucurbita

Lilium

Coconut

Question 7

In monocots, endosperm is:

Usually absent

Persistent

Diploid

Formed from egg cell

Question 8

Coleoptile is related to:

Endosperm

Embryo

Seed coat

Fruit

Question 9

Primary endosperm nucleus divides to form:

Embryo

Seed coat

Endosperm tissue

Cotyledon

Question 10

Endosperm may be:

Only diploid

Only triploid

Haploid, diploid, or triploid

Always haploid

Question 11

In double fertilization, one male gamete fuses with the egg, the other with:

Synergids

Antipodal cells

Polar nuclei

Funiculus

Question 12

Nuclear endosperm division is initially:

Mitosis with cell wall formation

Free-nuclear mitosis without cell wall

Meiosis

Binary fission

Question 13

Function of endosperm in dicots is mostly:

Protective

Absorbed by cotyledons

Helps in pollination

Forms fruit

Question 14

The cell walls in nuclear endosperm form:

Immediately

After several nuclear divisions

Never

Before fertilization

Question 15

In majority of flowering plants, endosperm is:

Diploid

Triploid

Tetraploid

Polyploid

Question 16

The first division of the zygote is:

Transverse

Longitudinal

Diagonal

Random

Question 17

The terminal cell of zygote gives rise to:

Suspensor

Embryo proper

Seed coat

Cotyledon only

Question 18

The basal cell of zygote forms:

Endosperm

Suspensor

Cotyledon

Fruit

Question 19

In dicot embryos, cotyledons develop from:

Terminal cell

Basal cell

Polar nuclei

Antipodal cells

Question 20

Coleorhiza protects:

Young shoot

Young root

Seed coat

Endosperm

Question 21

The suspensor consists of:

Single cell

Multicellular structure

Cotyledons

Endosperm

Question 22

In dicots, embryo is:

Monocotyledonous

Dicotyledonous

Non-cotyledonous

Tri-cotyledonous

Question 23

Suspensor helps in:

Photosynthesis

Nutrient transfer from endosperm to embryo

Fertilization

Pollination

Question 24

The stage when embryo forms heart shape in dicots is:

Globular

Heart

Torpedo

Mature

Question 25

Torpedo stage in dicot embryo is followed by:

Zygote stage

Globular stage

Mature stage

Heart stage

Question 26

In monocot seeds, embryo develops:

Two cotyledons

Single cotyledon

No cotyledon

Multiple cotyledons

Question 27

The part of the embryo that absorbs nutrients from endosperm in monocots is:

Coleoptile

Scutellum

Suspensor

Radicle

Question 28

The mature embryo consists of:

Cotyledons, radicle, plumule

Endosperm only

Seed coat only

Fruit wall

Question 29

Plumule develops into:

Root

Shoot

Cotyledon

Endosperm

Question 30

Radicle develops into:

Root system

Shoot system

Cotyledons

Endosperm

Question 31

Seed coat develops from:

Zygote

Ovule integuments

Endosperm

Funiculus

Question 32

Micropyle in seed helps in:

Pollination

Water absorption during germination

Cotyledon formation

Fruit development

Question 33

In dicot seeds, storage tissue is:

Endosperm

Cotyledons

Seed coat

Plumule

Question 34

In monocots, storage tissue is:

Endosperm

Cotyledons

Seed coat

Plumule

Question 35

Function of seed coat:

Nutrition

Protection

Photosynthesis

Fertilization

Question 36

In pea seed, cotyledons are:

Green

Thick and fleshy

Thin

Non-existent

Question 37

Viable seeds are formed after:

Pollination

Fertilization

Pollination and fertilization

Fruit ripening

Question 38

Funiculus connects:

Ovule to placenta

Seed to endosperm

Radicle to plumule

Seed to pollen tube

Question 39

Integuments develop into:

Endosperm

Seed coat

Embryo

Fruit wall

Question 40

Dormancy in seed is due to:

Immature embryo

Hard seed coat

Presence of inhibitors

All of the above

Question 41

Fruit develops from:

Ovule

Ovary

Zygote

Endosperm

Question 42

Parthenocarpic fruit develops:

Without fertilization

After fertilization

From endosperm

From seed coat

Question 43

Simple fruits develop from:

Single ovary

Multiple ovaries

Multiple flowers

Only from endosperm

Question 44

Aggregate fruits develop from:

One ovary

Multiple ovaries of a single flower

Multiple flowers

Endosperm

Question 45

Multiple fruits develop from:

Single ovary

Multiple flowers

Single flower

Endosperm

Question 46

The pericarp is formed from:

Ovary wall

Seed coat

Embryo

Cotyledon

Question 47

In fleshy fruits, pericarp is:

Dry

Fleshy

Hard

Thin

Question 48

In dry fruits, pericarp is:

Fleshy

Hard or dry

Soft

Juicy

Question 49

Seedless fruits are:

Parthenocarpic

Fertilized

Non-functional

Integumentless

Question 50

Fertilization triggers fruit development because:

Endosperm formation

Hormones like auxins and gibberellins are produced

Seed coat formation

Ovule death

📘 MCQ Test

Question 1

The primary endosperm nucleus is formed by the fusion of:

Question 2

The ploidy of the primary endosperm nucleus is:

Question 3

The type of endosperm found in coconut is:

Question 4

Endosperm provides:

Question 5

In which type of endosperm, cell walls are formed after several free-nuclear divisions?

Question 6

Helobial endosperm is found in:

Question 7

In monocots, endosperm is:

Question 8

Coleoptile is related to:

Question 9

Primary endosperm nucleus divides to form:

Question 10

Endosperm may be:

Question 11

In double fertilization, one male gamete fuses with the egg, the other with:

Question 12

Nuclear endosperm division is initially:

Question 13

Function of endosperm in dicots is mostly:

Question 14

The cell walls in nuclear endosperm form:

Question 15

In majority of flowering plants, endosperm is:

Question 16

The first division of the zygote is:

Question 17

The terminal cell of zygote gives rise to:

Question 18

The basal cell of zygote forms:

Question 19

In dicot embryos, cotyledons develop from:

Question 20

Coleorhiza protects:

Question 21

The suspensor consists of:

Question 22

In dicots, embryo is:

Question 23

Suspensor helps in:

Question 24

The stage when embryo forms heart shape in dicots is:

Question 25

Torpedo stage in dicot embryo is followed by:

Question 26

In monocot seeds, embryo develops:

Question 27

The part of the embryo that absorbs nutrients from endosperm in monocots is:

Question 28

The mature embryo consists of:

Question 29

Plumule develops into:

Question 30

Radicle develops into:

Question 31

Seed coat develops from:

Question 32

Micropyle in seed helps in:

Question 33

In dicot seeds, storage tissue is:

Question 34

In monocots, storage tissue is:

Question 35

Function of seed coat:

Question 36

In pea seed, cotyledons are:

Question 37

Viable seeds are formed after:

Question 38

Funiculus connects:

Question 39

Integuments develop into:

Question 40