What is shown in the given image? Define the process and label it properly.
Spore formation. A type of asexual reproduction in which spores released from sporangia grows and forms a new individual where they find favorable conditions.
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15
How do spores and pollen grains withstand the outer harsh environment?
They both have thick hard protective coat to withstand unfavorable conditions such as high temperature and low humidity.
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trap
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fairy
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gift
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banana
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15
A person planted a rose stem into the soil and took care of it. After few days, it grew into a rose plant. How did it happen?
It happened due to vegetative propagation. It is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds.
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15
How does a pollen grain get transferred from anther to stigma?
Pollen grains get transferred through different mediums such as air, water, insects, animals etc.
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15
Identify the following picture. Label the following parts properly.
These are the male (Stamen on left) and female (Pistil on right) reproductive parts of a flower. A- Anther; B- Filament; C- Stigma; D-Style; E-Ovule
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15
What is shown in the given image? Define the process.
Fragmentation in spirogyra. It is a mode of asexual reproduction in which the parent cell divides into fragments which then develop into new individuals.
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15
What is shown in the given picture? Give reason for your answer and examples also.
It is a Unisexual flower as it only contains either stamen or carpel. Example- Maize,papaya,cucumber etc.
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baam
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rocket
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gift
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thief
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After fertilization, what happens to the rest of the structures other than zygote?
After fertilization, ovary grows into a fruit. Ovule develops into seeds. Rest of the parts of the flower fall off.
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15
A spore producing organism is (i) rose (ii) bread mould (iii) potato (iv) ginger
Bread mould.
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15
Bryophyllum can reproduce by its (i) stem (ii) leaves (iii) roots (iv) flower
Bryophyllum reproduce by its leaves.
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seesaw
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shark
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rocket
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lifesaver
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15
What is shown in the given picture? Give reason for your answer and examples also.
It is a Bisexual flower as it contains both stamen and carpel. Example- Hibiscus, rose, sunflower, mustard etc.
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15
What is shown in the image?
Pollination. It is the transfer of pollen grains from the anther to stigma. It is of two types- self pollination and cross pollination.
