Master of Science II (Agrochemicals and Pest Management)
Examination: Oct Nov 2016 Semester III (Old CGPA)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR
SP-21
Wednesday
23/11/2016
2:30 PM
to
5:00 PM
Pest and Diseases of
Crop Plants- I
C
XII
Instructions: All Questions are compulsory.
All questions carry equal marks.
Solve any two questions from section-II.
Solve any tow questions from section-III.
Total Marks:70
Section- I
Q.1 Rewrite the following sentences by choosing appropriate alternative. 08
Zigzag golden marks on fore wings is the diagnostic features of

Gram pod borer Tur plum moth
Spodopteria litura None of these
The casual organism of white rust disease of crucifer is
Alibugo candida Ephilis psidi
Erysiphe cruciferarum Uncinula sp
False smut Rice disease was first time recorded from
Eastern India South India
North India West Indies
Leaf blight of Maize was first time recorded from country in
1876.
India Italy
Ceylon China
stage of sorghum shoot fly causes more damage to the sorghum.
Caterpillar Maggot
Grub Nymph
refers to the disease producing power of a microorganism.
Toxicity Pathogenicity
Rapidity Immunity
Viral diseases of crops mostly transmitted by
Fruit flies White grubs
Aphids None of the these
Rust of Soybean can be controlled by spraying
Sulphur dust Bordeaux mixture
BHC Dithane Z-78
Page 1 of 2
National sugar institute is located at
Pune Lucknow
Indore Calcutta
10) exhibits sexual dimorphism.
Jussid Mealy bug
Aphid None of the these
11) diseases of crops mostly transmitted by aphids.
Viral Bacterial
MLO None of these
12) ETL stands for
Economic threshold level Economic Type limit
Economic Top level Economic Travel Level
13) Loose smut of Jowar is type of disease.
Seed borne Leaf borne
Insect borne Wind borne
14) The casual organism of soybean rust is
Phakopsora pachyrhiza Sesamia inference
Chilo polychysus Scirpophaga innota
SECTION-II
Q.2 What is pest? Comment on classification, biology and control of any on
forage crop pests that you have studied.
07
Describe symptoms, nature of damage and management of ear got of maize. 07
Q.3 Explain disease? Highlight symptoms, nature of damage and management
of wilt of cow pea.
07
Discuss in brief concepts and tools of pest management. Highlight on host
plant resistance mechanism.
07
Q.4 Describe the biology, life cycle, nature of damage and control of yellow
stem borer.
07
Describe symptoms, nature of damage and management of Udbatta diseace
of rice.
07
SECTION-II
Q.5 Pest management strategies 05
Assessment of losses due to pests 05
Attractants 04
Q.6 Disease forecasting model 05
Stem borer of Sorghum: biology and management 05
Powdery mildew of gram 04
Q.7 Capsule borer of castor: Life cycle and management 05
Armyworm pest: Morphology and control 05
Life cycle of groundnut leaf minor 04