(D) Bacteria play several crucial roles in nature and industry:$1$. They act as natural scavengers by decomposing organic matter,which helps in nutrie

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(D) Bacteria play several crucial roles in nature and industry:$1$. They act as natural scavengers by decomposing organic matter,which helps in nutrient recycling.$2$. They are extensively used in the fermentation process for the production of various food items like curd,cheese,and vinegar.$3$. The genus $Streptomyces$ contains many species that are used to produce a wide range of antibiotics,which are essential for treating bacterial infections.

Class 12 Biology Microbes in Human Welfare Mix Examples - Microbes in Human Welfare

Easy

What is the importance of bacteria?

A
They act as natural scavengers.
B
They are used in the fermentation process.
C
They are used to produce antibiotics.
D
All of the above.

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Class 12

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Microbes in Human Welfare

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Mix Examples - Microbes in Human Welfare

$A$ - The puffed-up appearance of dough is due to the production of $CO_2$ gas.
$R$ - $LAB$ damages the stomach.

Medium

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Match the following columns and select the correct option.
Column-$I$ Column-$II$
$(a)$ $LAB$ $(i)$ Cattle feed
$(b)$ $Saccharomyces$ $(ii)$ Increases quality of Vitamin $B_{12}$
$(c)$ $Propionibacterium$ $(iii)$ Bread making
$(d)$ Silage $(iv)$ Swiss cheese

Medium

View Solution

Select the mismatched option from the following.

Medium

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Match the columns:
Column-$I$ Column-$II$
$(a)$ Mycorrhiza $(1)$ Rhizobium
$(b)$ Bt $(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules $(3)$ Phosphorus
$(d)$ Baculovirus $(4)$ Bt-Cotton

Easy

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Match the columns:

Column-$I$ Column-$II$

$(a)$ Ladybird $(1)$ Methanobacterium

$(b)$ Mycorrhiza $(2)$ Trichoderma

$(c)$ Biocontrol $(3)$ Aphids

$(d)$ Biogas $(4)$ Glomus

Column-$I$	Column-$II$
$(a)$ Ladybird	$(1)$ Methanobacterium
$(b)$ Mycorrhiza	$(2)$ Trichoderma
$(c)$ Biocontrol	$(3)$ Aphids
$(d)$ Biogas	$(4)$ Glomus

Easy

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Column-$I$	Column-$II$
$(a)$ $LAB$	$(i)$ Cattle feed
$(b)$ $Saccharomyces$	$(ii)$ Increases quality of Vitamin $B_{12}$
$(c)$ $Propionibacterium$	$(iii)$ Bread making
$(d)$ Silage	$(iv)$ Swiss cheese

Column-$I$	Column-$II$
$(a)$ Mycorrhiza	$(1)$ Rhizobium
$(b)$ Bt	$(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules	$(3)$ Phosphorus
$(d)$ Baculovirus	$(4)$ Bt-Cotton

What is the importance of bacteria?

Similar Questions

$A$ - The puffed-up appearance of dough is due to the production of $CO_2$ gas.$R$ - $LAB$ damages the stomach.

Match the following columns and select the correct option.Column-$I$Column-$II$$(a)$ $LAB$$(i)$ Cattle feed$(b)$ $Saccharomyces$$(ii)$ Increases quality of Vitamin $B_{12}$$(c)$ $Propionibacterium$$(iii)$ Bread making$(d)$ Silage$(iv)$ Swiss cheese

Select the mismatched option from the following.

Match the columns:Column-$I$Column-$II$$(a)$ Mycorrhiza$(1)$ Rhizobium$(b)$ Bt$(2)$ Nucleopolyhedrovirus$(c)$ Root nodules$(3)$ Phosphorus$(d)$ Baculovirus$(4)$ Bt-Cotton

Match the columns: Column-$I$ Column-$II$ $(a)$ Ladybird $(1)$ Methanobacterium $(b)$ Mycorrhiza $(2)$ Trichoderma $(c)$ Biocontrol $(3)$ Aphids $(d)$ Biogas $(4)$ Glomus

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$A$ - The puffed-up appearance of dough is due to the production of $CO_2$ gas.
$R$ - $LAB$ damages the stomach.

Match the following columns and select the correct option.
Column-$I$ Column-$II$
$(a)$ $LAB$ $(i)$ Cattle feed
$(b)$ $Saccharomyces$ $(ii)$ Increases quality of Vitamin $B_{12}$
$(c)$ $Propionibacterium$ $(iii)$ Bread making
$(d)$ Silage $(iv)$ Swiss cheese

Match the columns:
Column-$I$ Column-$II$
$(a)$ Mycorrhiza $(1)$ Rhizobium
$(b)$ Bt $(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules $(3)$ Phosphorus
$(d)$ Baculovirus $(4)$ Bt-Cotton

Match the columns:

Column-$I$ Column-$II$

$(a)$ Ladybird $(1)$ Methanobacterium

$(b)$ Mycorrhiza $(2)$ Trichoderma

$(c)$ Biocontrol $(3)$ Aphids

$(d)$ Biogas $(4)$ Glomus