Loyola College B.Sc. Plant Biology and Biotechnology April 2003 Agricultural Entomology Question Paper PDF Download

LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – PLANT BIOLOGY AND BIOTECHNOLOGY

fourth SEMESTER  – APRIL 2003

ZO 4200/ZOO 200 agricultural entomology             

24.04.2003

9.00 -12.00                                                                                         Max : 100 Marks

 

 

PART A                           (10 ´ 2 = 20 Marks)

I      Answer ALL the questions.

 

  1. Differenciate Holometabola and Hemimetabola.
  2. What is a termatorium?
  3. Name four pests of sugarcane (with scientific names)
  4. What are repellants? Give two examples.
  5. What is meant by ‘Biological control of insect pests’? Give 2 Egs.
  6. List the different types of mouth parts in insects.
  7. What is royal jelly?
  8. What are fumigants? Give two examples.
  9. What is card labelling and pinning technique?
  10. Comment on light traps.

 

 

PART B                            (4 ´ 10 = 40 Marks)

II     Answer any FOUR of the following.

 

  1. Give the outline classification of insects.
  2. Describe the lifecycle of Helicoverpa armigera and add its control measures.
  3. Write a note on pests of groundnut and their prevention.
  4. Give an account on pests of coconut and their control measures.
  5. Give an account of cotton pests of India.
  6. Describe briefly on locusts and their control.

 

 

Part c                           (2 ´ 20 = 40 Marks)

III   Answer any TWO of the following  

 

  1. Write an essay on ‘Integrated pest Management’.
  2. a) Give an account on pests of paddy and their control measures
  3. Discuss briefly on the stored pests and their prevention methods.
  4. Explain the types of insect pests and the causes for insects assuming pest status.
  5. Write an essay on termites and their control measures.

 

 

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