(C) Green manuring involves the incorporation of green plants into the soil to improve its fertility.It not only maintains the soil structure and orga

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(C) Green manuring involves the incorporation of green plants into the soil to improve its fertility.It not only maintains the soil structure and organic matter content but also significantly increases the nitrogen content of the soil.This enrichment of soil nutrients leads to an increase in crop yield by approximately $30 - 50\%$.

Class 12 Biology Strategies for Enhancement in Food Production Mix Examples- Strategies for Enhancement in Food Production

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Green manuring enhances crop yield by

A
$5 - 10\%$
B
$15 - 25\%$
C
$30 - 50\%$
D
$60 - 70\%$

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Strategies for Enhancement in Food Production

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Mix Examples- Strategies for Enhancement in Food Production

What is the scientific name of the Oak Silkworm?

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$A$: Barley,sorghum,and millet are smother crops.
$R$: They favor the growth of some common weeds.

Medium

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Match the names given under Column-$I$ with their relations given under Column-$II$, and choose the answer which gives the correct combination of the alphabets of the two columns.
Column-$I$ (Name) Column-$II$ (Relations)
$A$. Bombyx mori $P$. Disease of mulberry
$B$. Morus alba $Q$. Centre where silkworm eggs are produced and supplied
$C$. Grainage $R$. Silk moth
$D$. Powdery mildew $S$. Mulberry plant
$T$. Freshly hatched silkworm

Medium

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Assertion : Cattle breeds can be improved by superovulation and embryo transplantation.
Reason : Superovulation in high milk-yielding cows is induced by hormonal injection.

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$(a)$ Mutations are beneficial for plant breeding. Taking an example,justify the statement.
$(b)$ Discuss briefly the technology that made us self-sufficient in food production.

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Column-$I$ (Name)	Column-$II$ (Relations)
$A$. Bombyx mori	$P$. Disease of mulberry
$B$. Morus alba	$Q$. Centre where silkworm eggs are produced and supplied
$C$. Grainage	$R$. Silk moth
$D$. Powdery mildew	$S$. Mulberry plant
	$T$. Freshly hatched silkworm

Green manuring enhances crop yield by

Similar Questions

What is the scientific name of the Oak Silkworm?

$A$: Barley,sorghum,and millet are smother crops.$R$: They favor the growth of some common weeds.

Assertion : Cattle breeds can be improved by superovulation and embryo transplantation.Reason : Superovulation in high milk-yielding cows is induced by hormonal injection.

$(a)$ Mutations are beneficial for plant breeding. Taking an example,justify the statement.$(b)$ Discuss briefly the technology that made us self-sufficient in food production.

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$A$: Barley,sorghum,and millet are smother crops.
$R$: They favor the growth of some common weeds.

Assertion : Cattle breeds can be improved by superovulation and embryo transplantation.
Reason : Superovulation in high milk-yielding cows is induced by hormonal injection.

$(a)$ Mutations are beneficial for plant breeding. Taking an example,justify the statement.
$(b)$ Discuss briefly the technology that made us self-sufficient in food production.