EASY
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Biocontrol agents such as dragonflies, Bacillus thuringiensis and baculoviruses are used to get rid of aphids, mosquitoes, and other insects.

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Important Questions on Microbes in Human Welfare

MEDIUM
Cry I Ac and Cry I Ab encoded proteins _____ and _____ control respectively.
EASY
Write down the role of Baculoviruses in biological control.
EASY
The Ladybird and Dragonflies are useful to get rid of:
MEDIUM

Match the following columns and select the correct option:

Column-I column-II
(a)

Dragonflies

(i) Biocontrol agents of several plant pathogens
(b) Bacillus
thuringiensis
(ii) Get rid of Aphids and mosquitoes
(c) Glomus (iii) Narrow spectrum insecticidal applications
(d) Baculoviruses (iv) Biocontrol agents of lepidopteran plant pests
    (v) Absorb phosphorus from soil
EASY

Which of the following are the measures that should be taken to protect pollinators?

I. Reducing the level of pesticides used in and around your home.

II. Encourage building butterfly gardens, and bee boards.

III. Discourage the creation of your own pollinator-friendly garden.

IV. Not to support agriculture enterprises that avoid pesticide use.

The correct combination is:

EASY
Explain the role of three organisms as biocontrol agents.
EASY
The toxin protein produced by Bacillus thuringiensis is 
MEDIUM
Which Nucleopolyhedrovirus is being used for now-a-days?
MEDIUM
Choose the incorrect statements from the following
I) Blue-green algae add organic matter to the soil and increase fertility
II) Fungal symbiont of Mycorrhiza facilitates absorption of nitrogen
III) Baculoviruses are not desirable in the IPM program
IV) Azospirillum and Azatobacter are free-living in the air
EASY
Identify the incorrect statement with reference of Biocontrol agents:
EASY
One of the applications of biotechnology is to get pest resistant plants Justify the statement with reference to Bt. cotton.
EASY
What are Cry proteins ? How has biotechnologist exploited these proteins to benefit farmers?
EASY

Give the biological names of the following:

The microbe used to control insect larvae growing on cotton.

MEDIUM
What is Nucleopolyhedrovirus being used for nowadays.
HARD
Now-a-days the farmers preferred the natural predators of pests than chemical pesticides. Support this statement with example.
EASY
The microbe which is opted for narrow spectrum insecticide is ___ .
EASY
Which of the following can be used as a biocontrol agent in treatment of Plant diseases?