Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Cell Biology And Anatomy Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

THIRD SEMESTER – APRIL 2012

PB 3508/PB 3504 – CELL BIOLOGY AND ANATOMY

 

 

 

Date : 26-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER THE FOLLOWING , EACH WITHIN 50 WORDS ONLY:                          (10X2=20)

 

  1. What is raphide?
  2. What is the role of peroxisomes?
  3. What are satellite chromosomes?
  4. Define Idiogram.
  5. What is a bordered pit?
  6. What is meristem?
  7. Define Endarch.
  8. What is bicollateral vascular bundle?
  9. Explain unilacunar node.
  10. What is paracytic stomata?

PART – B

 

ANSWER THE FOLLOWING , EACH ANSWER WITHIN 500 WORDS;

DRAW DIAGRAMS WHEREVER NECESSARY:                                                   (5X7=35 Marks)

 

  1. a) Write the principles and application of Scanning Electron Microscpe.

(OR)

  1. b) Describe the structure and functions of endoplasmic reticulum.

 

  1. a) Discuss the types of Nucleic acids.

(OR)

  1. b) Write notes on chromosomal nomenclature.

 

  1. a) Describe the stages of prophase –I of meiosis.

(OR)

  1. b) Write short notes on secretory tissue.

 

  1. a) Write an account on cambium.

(OR)

  1. b) Discuss the types of meristem.

 

  1. a) Give an account on stomatal types.

(OR)

  1. b) Explain anomalous secondary growth in Achyranthes

 

 

PART – C

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITH 1200 WORDS;

DRAW DIAGRAMS WHEREVER NECESSARY:                                                  (3X15=45 Marks)

 

 

  1. Write a detailed account on the ultrastructure of chloroplast and its functions.
  2. Describe giant chromosomes.
  3. Give an account on xylem.
  4. Discuss the theories relating to apical meristems.
  5. Describe the anomalous secondary growth in dicot stems.

 

 

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