PLANT PROTECTION (Paper – III),Solapur University Question Paper,2014 Question Paper,B.Sc. II (Semester – IV)

Solapur University Question Paper
B.Sc. II (Semester – IV) Examination, 2014
PLANT PROTECTION (Paper – III)
Introduction to Weeds and non Insect Pests
Day and Date : Monday, 28-4-2014 Max. Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
N.B. : 1) All questions are compulsory.
2) Draw neat and labelled diagrams wherever must.
3) Figures to right indicate full marks.
1. Rewrite the sentences by selecting correct answers from given alternatives : 10
1) Plants growing in field, which are not useful at all to man are called
a) Crop plants b) Vegetables c) Weeds d) Herbs
2) Dicot weeds are effectively controlled by ________
a) Atrazine b) Simazine c) 2,4-D d) Glyphosate
3) Weeds __________ value of land.
a) Increase b) Decrease c) Keep as it is d) None of above
4) Weeds _________ soil erosion by rainfall.
a) Increase b) Check
c) Remains as it is d) None of above
5) Loranthus is __________ weed.
a) Total parasite b) Semiparasite
c) Stem parasite d) None of these
6) Striga is __________ parasitic weed.
a) Stem b) Root c) Leaf d) None of these
7) In cuscuta _______ are water absorbing organs.
a) Roots b) Suckers c) Haustoria d) Hanging roots
8) Orobanche grows on roots of
a) Tomato b) Jowar c) Maize d) Gram
Seat
No.
SLR-C – 89 
9) Argemone mexicana weed is introduced to India from __________.
a) Peru b) Mexico c) Brazil d) Chili
10) Weed the field and ___________ the Yield.
a) Increase b) Reduce c) Double d) None of above
2. Answer any five of the followings : 10
i) Give only classification of weedicides
ii) Give an account of losses caused by Birds
iii) Losses caused by rhodents
iv) Losses caused by nematodes
v) Simazine or Atrazine
vi) Mulching.
3. A) Answers any two of the followings : 6
i) Harrowing
ii) Hand weeding by khurupi
iii) Use of weedicides for weed control
B) Write a note on : 4
Parthenium reproduction, seed disper sal, & control.
4. Answer any two of the followings : 10
i) Mechanical methods of Rat control
ii) Biological methods of weed control
iii) Role of cover crop in weed control.
5. Answer any two of the followings : 10
i) Aquatic weeds
ii) Losses caused by weeds, give any five points
iii) Poisonous weeds.
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