What is the primary function of flowers in angiosperms?
a) Photosynthesis
b) Reproduction
c) Storage
d) Support Answer: b) Reproduction
Which part of the flower is responsible for producing pollen?
a) Stigma
b) Anther
c) Ovary
d) Sepal Answer: b) Anther
What structure connects the stigma to the ovary in a flower?
a) Petal
b) Style
c) Filament
d) Ovule Answer: b) Style
Which part of the flower develops into fruit after fertilization?
a) Ovule
b) Stigma
c) Ovary
d) Anther Answer: c) Ovary
What is the role of the stigma in a flower?
a) To protect the ovary
b) To attract pollinators
c) To receive pollen
d) To produce nectar Answer: c) To receive pollen
Which part of the flower contains the ovules?
a) Stamen
b) Pistil
c) Petal
d) Sepal Answer: b) Pistil
In which type of plants are cones the primary reproductive structures?
a) Angiosperms
b) Bryophytes
c) Gymnosperms
d) Ferns Answer: c) Gymnosperms
What is a seed?
a) An immature flower
b) A fertilized ovule
c) A modified leaf
d) A fruit Answer: b) A fertilized ovule
What is the primary purpose of nectar in flowers?
a) To nourish seeds
b) To attract pollinators
c) To protect ovules
d) To facilitate photosynthesis Answer: b) To attract pollinators
Which structure in flowers develops into the seed after fertilization?
a) Ovule
b) Style
c) Anther
d) Petal Answer: a) Ovule
What type of reproduction involves the fusion of male and female gametes?
a) Asexual reproduction
b) Sexual reproduction
c) Vegetative propagation
d) Budding Answer: b) Sexual reproduction
What is the term for flowers that have both male and female reproductive structures?
a) Perfect flowers
b) Imperfect flowers
c) Monoecious
d) Dioecious Answer: a) Perfect flowers
Which part of the plant typically undergoes fertilization?
a) Leaf
b) Stem
c) Ovule
d) Root Answer: c) Ovule
What is the male reproductive organ of a flower called?
a) Stigma
b) Carpel
c) Stamen
d) Petal Answer: c) Stamen
Which type of pollination occurs when pollen is transferred between flowers of the same plant?
a) Cross-pollination
b) Self-pollination
c) Wind pollination
d) Water pollination Answer: b) Self-pollination
In flowering plants, what is the function of petals?
a) Protect the ovules
b) Attract pollinators
c) Store nutrients
d) Support the plant Answer: b) Attract pollinators
Which type of fruit develops from a single ovary?
a) Aggregate fruit
b) Multiple fruit
c) Simple fruit
d) Accessory fruit Answer: c) Simple fruit
What are the tiny structures that develop into sperm cells in pollen grains?
a) Microspores
b) Megaspores
c) Zygotes
d) Ovules Answer: a) Microspores
What type of fruit is formed from a cluster of flowers?
a) Simple fruit
b) Aggregate fruit
c) Multiple fruit
d) Dehiscent fruit Answer: c) Multiple fruit
What is the process by which seeds are dispersed away from the parent plant?
a) Germination
b) Pollination
c) Fertilization
d) Seed dispersal Answer: d) Seed dispersal
Which reproductive structure is responsible for producing ovules?
a) Anther
b) Stigma
c) Ovary
d) Filament Answer: c) Ovary
What type of pollination involves the transfer of pollen by animals?
a) Self-pollination
b) Wind pollination
c) Water pollination
d) Biotic pollination Answer: d) Biotic pollination
Which structure in the flower helps protect the developing seeds?
a) Petals
b) Sepals
c) Anther
d) Filament Answer: b) Sepals
What do we call the fleshy part of a fruit that is derived from the ovary wall?
a) Endocarp
b) Mesocarp
c) Exocarp
d) Pericarp Answer: d) Pericarp
Which plant structure can develop into a new plant through vegetative reproduction?
a) Seed
b) Leaf
c) Root
d) All of the above Answer: d) All of the above
What is the term for a flower that has only male or only female reproductive organs?
a) Perfect flower
b) Monoecious
c) Imperfect flower
d) Dioecious Answer: c) Imperfect flower
Which plant group is characterized by having seeds that are not enclosed in an ovary?
a) Angiosperms
b) Gymnosperms
c) Bryophytes
d) Ferns Answer: b) Gymnosperms
What is the primary purpose of the seed coat?
a) Nourishment
b) Protection
c) Attraction
d) Photosynthesis Answer: b) Protection
Which part of the flower is often modified to attract pollinators?
a) Stamen
b) Ovary
c) Petal
d) Sepal Answer: c) Petal
In flowering plants, what typically happens after successful fertilization?
a) The flower wilts.
b) The ovary develops into fruit.
c) The petals drop.
d) All of the above. Answer: d) All of the above.