Microbes as Biocontrol Agents
BIOXII10: MICROBES IN HUMAN WELFARE

343739 Identify the incorrect statement with reference of biocontrol agents.

1 They do not show any negative impact on crop plants.
2 They help to increase the use of synthetic pesticides
3 They are significant in treating ecologically sensitive area.
4 They do not affect non-target pests.
BIOXII10: MICROBES IN HUMAN WELFARE

343740 Match the columns I and II.
Column I
Column II
A
B. thuringiensis
P
Caterpiller
B
Ladybird
Q
Mosquitoes
C
Dragonflies
R
Aphids

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\),
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\),
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\),
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXII10: MICROBES IN HUMAN WELFARE

343741 \(\mathrm{Bt}\) as biocontrol agent is available in sachets as ____A____ which are mixed with water and sprayed onto vulnerable plants such as brassicas and fruit trees, which is eaten by the insect____B____.

1 A - dried spores, B - adult
2 A - live attenuated, B - larvae
3 A - dried spores, B - larvae
4 A - live attenuated, B - adult
BIOXII10: MICROBES IN HUMAN WELFARE

343742 Which of the following statements is correct?
I. Single cell protein is rich in high quality proteins but poor in fat.
II. BOD is the amount of oxygen that would be consumed if all the inorganic matter in one litre of water were oxidised by bacteria.
III.
Trichoderma
sp are free living fungi that are effective biocontrol agents of several pathogens.
IV. Baculoviruses are pathogens that attack insects and other arthropods.
V.
Bacillus thuringiensis
is first used biopesticide.
VI.
Lactase enzyme is used in alcoholic fermentation.
VII.
Mycorrhiza is a symbiotic association between fungi e.g.
Glomus
and vascular plant.

1 II, III, VI, VII
2 I, III, IV, V, VII
3 I, IV, VI
4 II, VI
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BIOXII10: MICROBES IN HUMAN WELFARE

343739 Identify the incorrect statement with reference of biocontrol agents.

1 They do not show any negative impact on crop plants.
2 They help to increase the use of synthetic pesticides
3 They are significant in treating ecologically sensitive area.
4 They do not affect non-target pests.
BIOXII10: MICROBES IN HUMAN WELFARE

343740 Match the columns I and II.
Column I
Column II
A
B. thuringiensis
P
Caterpiller
B
Ladybird
Q
Mosquitoes
C
Dragonflies
R
Aphids

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\),
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\),
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\),
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXII10: MICROBES IN HUMAN WELFARE

343741 \(\mathrm{Bt}\) as biocontrol agent is available in sachets as ____A____ which are mixed with water and sprayed onto vulnerable plants such as brassicas and fruit trees, which is eaten by the insect____B____.

1 A - dried spores, B - adult
2 A - live attenuated, B - larvae
3 A - dried spores, B - larvae
4 A - live attenuated, B - adult
BIOXII10: MICROBES IN HUMAN WELFARE

343742 Which of the following statements is correct?
I. Single cell protein is rich in high quality proteins but poor in fat.
II. BOD is the amount of oxygen that would be consumed if all the inorganic matter in one litre of water were oxidised by bacteria.
III.
Trichoderma
sp are free living fungi that are effective biocontrol agents of several pathogens.
IV. Baculoviruses are pathogens that attack insects and other arthropods.
V.
Bacillus thuringiensis
is first used biopesticide.
VI.
Lactase enzyme is used in alcoholic fermentation.
VII.
Mycorrhiza is a symbiotic association between fungi e.g.
Glomus
and vascular plant.

1 II, III, VI, VII
2 I, III, IV, V, VII
3 I, IV, VI
4 II, VI
BIOXII10: MICROBES IN HUMAN WELFARE

343739 Identify the incorrect statement with reference of biocontrol agents.

1 They do not show any negative impact on crop plants.
2 They help to increase the use of synthetic pesticides
3 They are significant in treating ecologically sensitive area.
4 They do not affect non-target pests.
BIOXII10: MICROBES IN HUMAN WELFARE

343740 Match the columns I and II.
Column I
Column II
A
B. thuringiensis
P
Caterpiller
B
Ladybird
Q
Mosquitoes
C
Dragonflies
R
Aphids

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\),
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\),
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\),
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXII10: MICROBES IN HUMAN WELFARE

343741 \(\mathrm{Bt}\) as biocontrol agent is available in sachets as ____A____ which are mixed with water and sprayed onto vulnerable plants such as brassicas and fruit trees, which is eaten by the insect____B____.

1 A - dried spores, B - adult
2 A - live attenuated, B - larvae
3 A - dried spores, B - larvae
4 A - live attenuated, B - adult
BIOXII10: MICROBES IN HUMAN WELFARE

343742 Which of the following statements is correct?
I. Single cell protein is rich in high quality proteins but poor in fat.
II. BOD is the amount of oxygen that would be consumed if all the inorganic matter in one litre of water were oxidised by bacteria.
III.
Trichoderma
sp are free living fungi that are effective biocontrol agents of several pathogens.
IV. Baculoviruses are pathogens that attack insects and other arthropods.
V.
Bacillus thuringiensis
is first used biopesticide.
VI.
Lactase enzyme is used in alcoholic fermentation.
VII.
Mycorrhiza is a symbiotic association between fungi e.g.
Glomus
and vascular plant.

1 II, III, VI, VII
2 I, III, IV, V, VII
3 I, IV, VI
4 II, VI
BIOXII10: MICROBES IN HUMAN WELFARE

343739 Identify the incorrect statement with reference of biocontrol agents.

1 They do not show any negative impact on crop plants.
2 They help to increase the use of synthetic pesticides
3 They are significant in treating ecologically sensitive area.
4 They do not affect non-target pests.
BIOXII10: MICROBES IN HUMAN WELFARE

343740 Match the columns I and II.
Column I
Column II
A
B. thuringiensis
P
Caterpiller
B
Ladybird
Q
Mosquitoes
C
Dragonflies
R
Aphids

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\),
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\),
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\),
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXII10: MICROBES IN HUMAN WELFARE

343741 \(\mathrm{Bt}\) as biocontrol agent is available in sachets as ____A____ which are mixed with water and sprayed onto vulnerable plants such as brassicas and fruit trees, which is eaten by the insect____B____.

1 A - dried spores, B - adult
2 A - live attenuated, B - larvae
3 A - dried spores, B - larvae
4 A - live attenuated, B - adult
BIOXII10: MICROBES IN HUMAN WELFARE

343742 Which of the following statements is correct?
I. Single cell protein is rich in high quality proteins but poor in fat.
II. BOD is the amount of oxygen that would be consumed if all the inorganic matter in one litre of water were oxidised by bacteria.
III.
Trichoderma
sp are free living fungi that are effective biocontrol agents of several pathogens.
IV. Baculoviruses are pathogens that attack insects and other arthropods.
V.
Bacillus thuringiensis
is first used biopesticide.
VI.
Lactase enzyme is used in alcoholic fermentation.
VII.
Mycorrhiza is a symbiotic association between fungi e.g.
Glomus
and vascular plant.

1 II, III, VI, VII
2 I, III, IV, V, VII
3 I, IV, VI
4 II, VI