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Worksheetsch2-L2difinition
Total questions: 20
Worksheet time: 20mins
a plant that has seeds but no flowers
gymnosperm
angiosperms
------- is a plant that have seed and flowers
gymnosperms
angiosperms
----- is a series of differing stages مراحل مختلفة of development
life cycle
angiosperms
alternation of generation
----- is the process of alternating between asexual and sexual reproduction
life cycle
alternation of generation
gymnosperms
complete flower is ----------
have the whole flower parts
missing one or more of the flower parts
incomplete flower is ------
have the whole flower parts
missing one or more of the flower parts
perfect flower has ------
both stamen and a pistil
only stamen
only pistil
imperfect flower --------
has both stamen and a pistil
has only a stamen
has only a pistil
------ is the transfer of pollen from stamen to the pistil
germination
life cycle
pollination
pollen
----- is a yellow powder that contains sperms cells.
pollination
seed
germination
pollen
-------- is a sweet liquid produced by flowers to attractيجذب pollinator
pollen
nectar
ovary
stamen
-------- occurs when a perfect flower with both male and female parts pollinates itself.
self-pollination
cross-pollination
----- occurs when the pollen from one plant pollinates a flower on a different plant.
self-pollination
cross-pollination
------ is the beginning of a new offspring
seed coat
germination
embryo
seed is surrounded by a tough outer covering called--------
embryo
germination
seed coat
food supply of the embryo called --------
seed coat
cotyledon
embryo
----- is the development of a seed into a new plant.
germination
seed
embryo
monocots
produces seeds with a single cotyledon
leaves show a parallel vein pattern
monocot flower petals comes in group of three
dicots
produces seeds with two cotyledons
leaves show a branched vein pattern
flower petals come in groups of four or five
------ is a gymnosperm, a plant has seeds but not flowers
conifer
orange plant
