BSc Botany Sem I 2019 20 Nov 2019-20 BOTANY II Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labelled diagrams wherever necessary
   • A) Choose the correct option from the following:
   • a. Secondary cell wall of xylem tissue is made up of
   • b. The dark reaction of the photosynthesis takes place in
   • i) Grana of chloroplast ii) Stroma of chloroplast
   • iii) membrane of mitochondrion iv) Lysosomes Fatty acids are abundant in
   • d. The simplified energy flow model proposed
   • e. The successive energy transfer from each trophic level to another is
   • f. Complete the food chain in pond ecosystem:
   • g. The type of inheritance pattern where neither gene dominates completely over the other and partially expresses itself is called
   • h. gene at one locus on a chromosome influences the expression of a gene at other locus, the Ist gene is saidtobe the 2nd
   • i. When FI is crossed with pure recessive parent, it is called as
   • j. When plant with rounded seeds (TTRR) is crossed with a dwarf plant with wrinkled seeds (ttrr), the generation consists of tall plants with rounded seeds. how many types of gametes would be produced by an F1 plant? vcD/ 23] )) BOTANY - II SEMESTER | 3Hrs 100 MARKS
2. Q1 B) Answer the following in one sentence: 10 marks
   • a) Which type of ribosomes is present in a Eukaryotic cell?
   • b) How many membranes are present in Endoplasmic reticulum?
   • c) State the second Law of thermodynamics with an example
   • d) What is Detritus food chain?
   • e) Define test cross Answer any two from the following: 20
   • a) Describe the ultra-structure of plasma membrane. Add a note on its functions
   • b) Describe the structure and chemical composition of cell wall
   • c) With the help ofa neat and labeled diagram, describe the structure of a typical eukaryotic
   • d) . Describe the ultra-structure and function of chloroplast. Support your answer with neat
3. Q3 Answer any two from the following: 20 marks
   • a) Describe the Structure and Function of Ecosystem
   • b) Describe Upright energy flow model in detail
   • c) What is energy pyramids? Add a note on its types
   • d) Discuss the Ecological Food chain in detail
4. Q4 any two from the following: 20 marks
   • a) Define Monohybrid ratio. Citing suitable examples, explain variations in monohy brid ratio with reference to “Intermediate inheritance”
   • b) What is Epistasis? Explain recessive epistasis citing suitable example
   • c) State and explain law of dominance
   • d) Explain complete and incomplete dominance giving
5. Q5 Short note on (any four): 20 marks
   • a) Dihybrid ratio
   • e) Types of endoplasmic reticulum Lipids in plasma membrane

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