BSc Botany Sem VI 2019 20 Nov 2019-20 ATKT BOTANY PLANT DIVERSITY Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q3 All questions carry equal marks
2. Q1 Answer the following (any two) 20 marks
   • a. Give the classification, distinguishing characters, floral formula of family Asclepiadaceae
   • b. State the distinguishing characters of Family Labiatae. Comment upon its economic
   • c. Give an outline of Hutchinson’s system of classification. Add a note on its merits and
   • d. Assign the plant Quisqualis to its respective family giving reasons and add a note on its
3. Q2 Answer the following (any two) 20 marks
   • a. What are Halophytes? Write a detailed note on their anatomical adaptations giving a
   • b. With suitable examples explain ecological characteristics of floating and rooted
   • c. Define Xerophytes? Write a note on ecological adaptations of succulent xerophytes
   • d. Write anote on the ecological aspects of mesophytes
4. Q3 Answer the following (any two) 20 marks
   • a. Describe in detail the structure of T.S of tetrasporangiate anther
   • b. With the help of suitable diagrams explain the developmental stages observed in Capsella type of embryo
   • c. Describe the structure of an angiospermic ovule and explain the process of double fertilization. Add. a note on its significance
   • d. Elaborate on different types of tapetum. Add a note on functions of tapetum
5. Q4 Answer the following (any two) 20 marks
   • a. In a nutritional study for a protein supplement, 13 children were given a plus Protein powder while the second comparable group of 12 children was taking the usual diet After 12 months, the gain in weight in pounds was noted as given in the table Examine at 5% level whether the protein powder was responsible for this difference?
   • b. Find the value of regression coefficient X on Y and Yon X (byx) from the following
   • c. Ten students were given intensive coaching in Biostatistics. The scores obtained in & 5 test are given below: Does the score from test 1‘ to test 5 show an improvement? Test at 5% level of significance
   • d. Explain ANOVA (one way) with a suitable example
6. Q5 Write Short note on the following (any four) 20 marks
   • b. Fruits of Cannaceae
   • c. Pollen Tetrads Types of Ovule
   • e. Ecological adaptations of Hygrophytes Application of T-test

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