30 Questions
What reproductive parts make up a pistil?
Stigma, style, and ovary
What is the function of an anther in a flower?
Contains pollen grains which produce male gametes
What is the term for the transfer of pollen from the anther to the stigma of a flower?
Pollination
In which type of flowers are both male and female reproductive structures present?
Bisexual flowers
Why are flowers generally colorful and fragrant according to the text?
To attract insects for pollination
What is the process of transfer of pollen grains from the anther to the stigma of a flower called?
Pollination
What is the process called when a male and a female gamete fuse to form a zygote?
Fertilization
In which type of reproduction do new plants grow from different vegetative parts like leaves, stems, or roots?
Asexual reproduction
What part of a plant contains the male gametes?
Pollen grain
Which type of flower possesses both male and female reproductive parts?
Bisexual flower
From which part of a plant does a new plant arise in vegetative propagation?
Leaf
Where are female gametes found in a plant?
Ovule
Why is seed dispersal important for plants?
To prevent competition between the plant and its own seedlings
Which type of seeds get blown off to far away places by the wind?
Winged seeds like those of drumstick and maple
How are some seeds dispersed by water?
By developing floating ability in the outer coat
Which plants disperse their seeds by bursting their fruits with sudden jerks?
Castor and balsam
Why do some seeds have spiny hooks for dispersal?
To get attached to animals and be carried to distant places
What is the purpose of hairy fruit in seed dispersal?
To provide protection from predators
What is it called when the pollen of a flower lands on the stigma of a flower of a different plant of the same kind?
Cross-pollination
What is the cell called that results after the fusion of gametes?
Zygote
What is the process of fusion of male and female gametes to form a zygote called?
Fertilisation
What part of the flower grows into a fruit after fertilisation?
Ovary
Where do the seeds develop from?
Ovules
What would happen if all seeds of a plant were to fall at the same place and grow there, according to the text?
Severe competition for sunlight, water, minerals, and space
What is the main difference between self-pollination and cross-pollination?
Self-pollination involves the transfer of pollen within the same flower or between flowers of the same plant, while cross-pollination involves the transfer of pollen between flowers of different plants.
How does fertilisation take place in flowers?
Fertilisation occurs when the pollen grains land on the stigma of a flower and a pollen tube grows down to the ovary to deliver the male gametes to the female gametes.
Which of the following is a method for seed dispersal?
Gravity
What is the reproductive part of a plant?
Flower
What does the mature ovary form in a flower?
Fruit
How can Bryophyllum reproduce?
Through its leaves
Test your knowledge on how plants benefit from seed dispersal, preventing competition with their own seedlings, and invading new habitats. Learn about how seeds and fruits are carried away by wind, water, and animals.
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