Loyola College B.Sc. Plant Biology and Biotechnology April 2009 Angio. Taxonomy & Embryology Question Paper PDF Download

     LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

VE 07

THIRD SEMESTER – April 2009

PB 3502 – ANGIO. TAXONOMY & EMBRYOLOGY

 

 

 

Date & Time: 06/05/2009 / 9:00 – 12:00  Dept. No.                                                 Max. : 100 Marks

 

 

 

PART – A    (20 MARKS)

  1. CHOOSE THE CORRECT ANSWER: 5 x 1 = 5           
  2. General Plantarum is the work of _____
  3. Linnaeus b) Bentham & Hooker c) Engler          d) Prantle
  4. In Dicots, the ovule is attached to the placenta, by a short stalk known as,
  5. Funicle b) Nucellus      c) Hilum          d) Chalaza
  6. Androgynophone is seen in the family.
  7. Poaceae b) Amaranthaceae      c) Euphorbiaceae        d) Capparidaceae
  8. Ornithophily is pollination by
  9. Birds b) Bats             c) Ants             d) Wind
  10. In Poaceae, the fruit is a) Achene        b) Caryopsis    c) Nuts               d) Utricle

 

  1. STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE: 5 x 1 = 5        
  2. The pollentube enters the ovule at the chalazal end of the ovule is called Porogamy.
  3. Plants are Monoecious in the family Cucurbitaceae.
  4. Cleistogamous flowers promote Cross pollination.
  5. In double fertilization, the male gamete fuses with the egg 4 the other male gamete fuses with the polar nuclei.
  6. The fuclosperm found in Dateseed is Horny type.

 

  • COMPLETE THE FOLLOWING: 5 x 1 = 5           
  1. ___________ helps in the dehiscence of the Anther.
  2. Crosspollination is also known as ___________.
  3. The basic unit used in Numerical Taxonomy is ____________.
  4. The Nucellus forms a beak like outgrowth at the micropye, known as ____________ in Polygonum.
  5. Glumes are found in the family _________.

 

  1. ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS: 5 x 1 = 5         
  2. What is Tapetum?
  3. Define Anemophily.
  4. What are Synergids.
  5. Write down the systematic position of the family Solanaceae.
  6. Mention any 2 Timber yielding plants, with their Binomials.

 

 

 

 

PART – B

ANSWER ANY 5 OF THE FOLLOWING EACH WITHIN 350 WORDS:   5 x 8 = 40 Marks

 

  1. Write notes on essential oils, their source and preparation.
  2. What are the Contrivances for self pollination?
  3. Describe Apomixis.
  4. What is a Ruminate Endosperm?
  5. Explain Author citation.
  6. Give a brief account of Engler & Prantle’s system of classification.
  7. Mention any 2 plants, that give spices, write the systematic position, morphology of the useful part and their Economic values.
  8. Describe the development of Anther.

PART – C

ANSWER THE FOLLOWING EACH IN 1500 WORDS:                     2 x 20 = 40 Marks

 

  1. Write down the salient Features of the family Rubiaceae. Mention the Economic importance.

(or)

Explain the structure and development of Monocot Embryo.

  1. Write down the salient Features of the family Anacardiaceae. Mention the Economic importance of the family.

(or)

  1. Describe the development of Tetrasporic Embryosac. (10 Marks)
  2. Describe the development and structure of Cellular Endosperm. (10 Marks).

 

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