M.Sc. in Environmental Sciences SEM I 2022 2023 Jan 2023 ENVIRON MENTAL SCIENCE ENVIRONMENTAL POLLUTION Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt of the following: 12 marks
   • a. in detail on artificial neural network and binary sigmoidal activation function
   • b. genetic algorithm
   • c. Write in detail on hard computing and soft computing
   • d. Explain about content addressable memory
2. Q2 Attempt any two of the following: 12 marks
   • a. Give the details on perceptron network
   • b. Write in detail about the tree neural networks
   • c. Explain in detail on bidirectional associative memory and the excitatory weight as 1 and inhibitory weight as -1
3. Q3 Attempt of the following: 12 marks
   • a. Describe adaptive resonance theory 1 (ART1) Explain about Kohonen self-organizing feature maps
   • c. Discuss about simulated annealing network
   • d. Write in detail on the architecture of spiking neural networks
4. Q4 Attempt of the following: 12 marks
   • a. Explain about fuzzy equivalence and fuzzy tolerance relation in detail
   • b. Define the following: (i) core support (iii) boundary (iv) normal fuzzy set
   • c. What is defuzzification? List and explain any 2 methods of defuzzification
   • d. Consider the two fuzzy sets Perform union, intersection, difference and complement over fuzzy sets A and B
5. Q5 Attempt of the following: 12 marks
   • a. Using a suitable example explain the single-point and two-point crossover technique
   • b. Write in detail on categorical reasoning
   • c. the classifications of neuro-fuzzy hybrid systems? Explain in detail any one of the neuro-fuzzy hybrid systems
   • d. the basic architecture of a fuzzy logic controller system in detail

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