M.Sc. (A.G.P.M) (Semester (CGPA) Examination,2017
PEST DISEASE OF CROP PLANTS-I
Day Date: Tuesday, 25-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
N.B. All sections are Compulsory.
All Question carry equal marks.
Solve any two Questions from Section-II
Solve any two Questions from Section-III
Section- I
Q.1 Rewrite the following sentences by choosing appropriate
alternative.
14
The casual organism of Tikka disease of ground nut is
Cercospora tritici Ephilis psidi
Albugo candida Cercospora arachidocola
produced by Helminthosporium sacchari after
infection in sugarcane.
D-toxin M-toxin
T-toxin HS-toxin
In Ergot disease of Bajara, a cross section of capitulum possess
many
Perithecia Apothesia
Cleistothesia Nanothesia
Sorghum shoot fly causes maximum damage at stage.
Caterpillar Maggot
Grub Nymph
as disease producing power of a microorganism.
Toxicity Pathogenicity
Rapidity Immunity
Soybean rust can be effectively controlled by
Sulphur dust Dithane-78
BHC Bordeaux mixture
of the flower gets damaged by shoot fly.
Androecium Pedicel
Corolla Ovary
Erysiphe cruciferarum is the causal organism of
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Tikka disease of groundnut Powdery mildew of mustard
Smut of Jowar Powdery mildew of grapes s
In some other countries, Brown rust of wheat produces
spermogonia and aecia on
Thalictrum sp. Oxalis corniculata
Barberry Brinjal
10) The causal organism of 'Berseem stem rot' is
Macrophomia sp. Sclerotiorum sp.
Bremia sp. Fusarium sp.
11) Viral diseases of crops mostly transmitted by
White grubs Aphids
Fruit flies None of the above
12) Polymorphism and caste system is the key features of
Blister beetle Stem borer
Termite None of the above
13) The casual organism of 'Powdery Mildew in Mustard' is
Erysiphe polygoni Erysiphe cichoracearum
Erysiphe graminis Erysiphe cruciferarum
14) Use of light traps for controlling of pest in the field is

Cultural method Mechanical method
Physical method Legal method
Section- II
Q.2 What is pest? Comment on biology and control of any one
forage crop pests that you have studied.
07
B Describe symptoms, nature of damage and management of
downey mildew of Bajara.
07
Q.3 What do you mean forage crops? Highlight diseases of any
one forage crops that you have studied.
07
Describe the biology, life cycle, nature of damage and
management of stem borer of Maize.
07
Q.4 Describe the biology, life cycle, nature of damage and control of
brown plant hopper.
07
Explain disease. Highlight symptom, nature of damage and
management of wilt of cow pea.
07
Section- III
Q.5 Maize blight: Morphology and control. 05
Tikka disease of groundnut: Symptoms and management. 05
Powdery mildew of gram 04
Q.6 Different tools of Pest management 05
Life cycle of Nematodes 05
White rust mustard 04
Q.7 Grassy Shoot Disease-Symptoms and control. 05
Diseases of castor and their control measures. 05
Rust of safflower 04