Biology
Grade-7
Easy
Question
The capacity of the soil to support plant growth and maximize crop yield is known as __________________.
- Fertilizer
- Inorganic fertilizer
- Herbicide
- Soil fertility
The correct answer is: Soil fertility
- Soil fertility is defined as capacity of plants to provide all essential plant nutrients to support growth and maximize the plant yield
- These are organic fertilizers
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Natural fertilizers derived from plants and animals are known as _________________.
Natural fertilizers derived from plants and animals are known as _________________.
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Chemicals that kill insects that destroy crops are called ________________.
Chemicals that kill insects that destroy crops are called ________________.
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Plants take in water with the help of their _________.
Plants take in water with the help of their _________.
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In _________ pollination, the resulting progeny have lower disease immunity.
In _________ pollination, the resulting progeny have lower disease immunity.
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Only a limited number of flowers undergo ___________ pollination, and they are characterized by having small, odorless, greenish blossoms.
Only a limited number of flowers undergo ___________ pollination, and they are characterized by having small, odorless, greenish blossoms.
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The female reproductive portion of a flower, the _____________, is very large, sticky, and feathered to reach fully outside the bloom.
The female reproductive portion of a flower, the _____________, is very large, sticky, and feathered to reach fully outside the bloom.
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Through the process of ___________ pollination, all unisexual plants are capable of reproducing.
Through the process of ___________ pollination, all unisexual plants are capable of reproducing.
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Humans perform artificial pollination, which is called anemophily.
Humans perform artificial pollination, which is called anemophily.
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The male reproductive parts of anemophilous flowers tend to produce a very less quantity of pollen.
The male reproductive parts of anemophilous flowers tend to produce a very less quantity of pollen.
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Pick the odd one out.
Pick the odd one out.
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Pick the odd one out.
Pick the odd one out.
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Pick the odd one out.
Pick the odd one out.
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Pick the odd one out.
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Complete the given flowchart.
Complete the given flowchart.
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Pollination carried out by animals is called __________________.
Pollination carried out by animals is called __________________.
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