(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 Questions

Class 12

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Microbes in Human Welfare

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Mix Examples - Microbes in Human Welfare

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

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Match the following columns:

Column-$I$ Column-$II$

$1$. Trichoderma $a$. Quantum-$4000$

$2$. Pseudomonas $b$. Free-living biocontrol fungus

$3$. Baculovirus $c$. Resistant to crop-sucking pests

$4$. Bt Cotton $d$. Pathogenic to insects and some arthropods

Column-$I$	Column-$II$
$1$. Trichoderma	$a$. Quantum-$4000$
$2$. Pseudomonas	$b$. Free-living biocontrol fungus
$3$. Baculovirus	$c$. Resistant to crop-sucking pests
$4$. Bt Cotton	$d$. Pathogenic to insects and some arthropods

Medium

View Solution

Micro-organisms are used in:

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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Which one of the following is an incorrect match of a microbe and its industrial product,while the other three are correct?

Medium

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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

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 following columns: Column-$I$ Column-$II$ $1$. Trichoderma $a$. Quantum-$4000$ $2$. Pseudomonas $b$. Free-living biocontrol fungus $3$. Baculovirus $c$. Resistant to crop-sucking pests $4$. Bt Cotton $d$. Pathogenic to insects and some arthropods

Micro-organisms are used in:

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

Which one of the following is an incorrect match of a microbe and its industrial product,while the other three are correct?

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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

Match the following columns:

Column-$I$ Column-$II$

$1$. Trichoderma $a$. Quantum-$4000$

$2$. Pseudomonas $b$. Free-living biocontrol fungus

$3$. Baculovirus $c$. Resistant to crop-sucking pests

$4$. Bt Cotton $d$. Pathogenic to insects and some arthropods

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