NEW
Font size
WorksheetsBIO PESTICIDES TVP
Total questions: 50
Worksheet time: 25mins
Most widely used soil bacterium in insect control is
Bacillus thuringiensis
Bacillus popillae
Bacillus cereus
Bacillus pluton
Bacillus thuringiensis produces
Delta Endotoxin
Alpha exotoxin
Beta exotoxin
All
Bacillus thuringiensis was discovered by
Berliner
Dulmage
S. Ishiwata
Burges
Bacillus thuringiensis was first isolated from diseased larvae of
American bollworm
Corn borer
Diamond back moth
Silkworm
Bacillus thuringiensis was first isolated from silkworm in
1900
1912
1911
1902
Which of the following is true regarding Bacillus thuringiensis ?
It is rod shaped gram positive bacteria
Spore forming, crystalliferous bacteria
Aerobic and facultative bacteria
All the above
Which of the following is true regarding Bt mode of action ?
It is a stomach poison
It requires alkaline gut pH
It takes 3-4 days to get insect killed
All the above
The transgenic (Bt) vegetable which has been approved for large-scale field trials in India is
Lady's finger
Brinjal
Tomato
Potato
Barnase, barstar and bar genes are used for developing genetically modified ?
Brinjal
Mustard
Cotton
None of the above
The area under Bt cotton in India is about
50000 ha
100000 ha
150000 ha
200000 ha
In India genetic engineering approval committee (GEAC) is responsible for monitoring of GM crops comes under ministry of
Environment and forest
Agriculture
Fertilizers and Chemicals
None of the above
The largest area of a transgenic crop in the world is under
Maize
Soybean
Cotton
Rice
The largest area of a Bt transgenic crop at global level is under
Rice
Soybean
Cotton
Maize
The largest area under Bt cotton in India is in
Maharashtra
Andhra Pradesh
Tamil Nadu
Gujarat
The share of microbial pesticides in the total world pesticide market is
10-12%
5-6%
4-6 %
1-2 %
Bt cabbage is development against
Diamond back moth
Aphids
Cabbage butterfly
Cabbage head borer
In the world transgenic crops commercially grown first in the year
1996
1997
1998
1999
Transgenic crops commercially grown first time in India in the year
2000
2001
2002
2003
Which was the first country to commercialize transgenic crops ?
USA
China
Canada
Argentina
One of the Bt cotton varieties approved for commercial cultivation under north Indian conditions is
MECH 12
MECH 162
MECH 184
MRC 6304
The descending order of the area of cultivation of transgenic crops for the trait specific is
Herbicide tolerant > Insect resistant > Herbicide tolerant + Insect resistant > Virus resistant
Insect resistant > Herbicide tolerant > Nematode resistant > Virus resistant
Herbicide tolerant > Nematode resistant > Insect resistant > Virus resistant
None of the above
The countries leading in the commercial cultivation transgenic crops
USA > Argentina > Brazil > Canada
Argentina > Brazil > Canada > USA
USA > China > India > Canada
USA > Brazil > China' > India
The descending order of area under transgenic crops
Soybean > Maize > Cotton > Canola
Cotton > Maize > Soybean > Rice
Soybean > Cotton > Rice > Maize
Soybean > Rice > Cotton > Canola
Seeds of transgenic plant varieties for research purpose will be imported only through
NBPGR
DBT
State Department of Ag.
DST
The second generation of Bt cotton contained genes of
Cry lAc and Cry 2Ab
Cry lAd and Cry 2Ab
Cry lAa and Cry 2Aa
Cry lAc and Cry 2Aa
Bt cotton hybrids first approved by GEAC for commercial cultivation in 2002 are
MECH 12, MECH 162 and MECH 184
Ankur 09 and Ankur 651
Bunny Bt 4 and Mallika Bt
Tulasi 4 and Tulasi 117
Chronological steps in the revised guidelines for the research in transgenic plants in India are
Applicant - IBSC - RCGM - GEAC - Commercial release
Applicant - GEAC - IBSC - IBSC - Commercial release
Applicant - RCGM - GEAC - IBSC - Commercial release
Applicant - RCGM - GEAC - Commercial release
The only pest that has developed resistance to Bacillus thuringiensis in the field conditions
Helicoverpa armigera
Plutella xylostella
Spodoptera litura
All the above
The most dominant trait under commercial cultivation transgenic crops
Herbicide Tolerant
Insect resistant
Virus resistant
Nematode resistant
The virus used for the control of top shoot borer
NPV
GV
CPV
All of these
Commercially granulosis virus (GV) used for the control of
Chilo infuscatellus
Helicoverpa armigera
Spodoptera litura
All the above
Baculoviruses contain
Single stranded DNA
Double stranded DNA
Single stranded RNA
Double stranded RNA
Nuclear polyhedrosis virus (NPV) is the most effective for control of
Chilo partellus
Pectionophora gossypiella
Helicoverpa armigera
Diacrasia obliqua
Which one of the following is / are entomopathogenic fungi ?
Beauveria bassiana
Metarrhizium anisopliae
Nomurea rileyi
All the above
Metarrhizium anisopliae used against sugarcane leaf hopper and rhinoceros beetle and commercially available under the trade name of
Biomax
Mycar
Elcar
None of the above
Which of the following is a myco - acaricide ?
Hirsutella sps.
Neozygites sps.
Sporothrix sp.
All the above
Which of the following is an obligate pathogen ?
Bacillus thuringiensis
Bacillus cereus
Bacillus popilliae
All the above
Which of the following is both acaricide and insecticide ?
Verticillum lecanii
Bacillus thuringiensis
Both a and b
None of the above
Which one of the following is an advantage of microbial pesticides ?
They are specific
Less possibility of resistance development
Safe and eco - friendly
All the above
In baculoviruses tolerance to ultraviolet radiations can be increased by the addition of
Activated charcoal
Egg albumin
Ranipal
All the above
A typical symptom of virus infection in insects is
The infected larvae climb to higher position and dead larvae unusually hangs upside down
The integument becomes fragile
Rupture easily and emit foul smell
All the above
Following is a limitation in the use of Baculoviruses
Lacks quick knock down affect
Inactivated by sun light
Early instars are more susceptible than later instars
All the above
In case of NPV, the number of days required from the time of insertion of virus and death of host insect is
3 days
4-6 days
1 week
1 day
Neem is native to
India
USA
China
Brazil
The following is commercial neem based formulation
Achook
Margosan-O
Neemguard
All the above
The part of the neem which possess maximum active ingredient of insecticidal activity
Leaf
Roots
Kernel
Flowers
Which of the following is a muscle poison ?
Neem
Ryanodine
Nicotine
Pyrthrins
Which of the following is obtained from roots ?
Sabadilla
Neem
Rotenone
Limonene
Largest producer of pyrethrum in the world is
India
USA
Nigeria
Kenya
Which of the following is not correct with regard to pyrethrins ?
They have quick knock down affect
They are nerve poisons
They are degraded by sunlight
They are obtained from roots of Chrysanthemum sp.
