Download PTU B.Sc-Agriculture 2020 March 3rd Sem 72553 Fundamentals Of Insect Morphology And Systematics Question Paper

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Roll No. [ TTTTTT] [ ] Total No. of Pages : 02

Total No. of Questions : 09

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B.Sc. (Agriculture) (2014 to 2018) (Sem.-3)

FUNDAMENTALS OF INSECT MORPHOLOGY & SYSTEMATICS

Subject Code : BSAG-303

M.Code : 72553

Time : 3 Hrs. Max. Marks : 60

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and student has to attempt ANY FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and student has to attempt ANY TWO questions.

SECTION-A

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1. Write short notes on :
   1. Compound eyes in insects
   2. Labrum of Akk grasshopper
   3. Hyphopharynx
   4. Epicranial suture
   5. Spermatheca

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   6. Malphigian tubules
   7. Pronotum of an orthoptera
   8. Sub-oesophageal ganglion
   9. Binominal nomenclature
   10. What is full form of ICAR and IARI?

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SECTION-B

2. What is alimentary canal and briefly discuss its various parts?
3. Discuss various modifications of insect larvae and pupae.
4. Distinguish characteristics of order Hemiptera.

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5. What is wing venation and wing coupling mechanism?
6. Give a brief account of central nervous system of insect.

SECTION-C

7. Discuss with help of a diagram the various appendages of head of Akk grasshopper?
8. Why are insects most dominating species on earth? Discuss with examples.

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9. Define Insects integument and its function. How cuticle is formed? What are different proteins found in cuticle? What is chitin and its chemical composition?

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.