TDP(General) 3rd Semester Exam,2020(Held in 2021)

Paper lll ,FM..40,Time..2 hours

Ans any 4, selecting 2 from each unit

           Unit....l

1 (a) Define Systematics.

   (b) What do you mean by binomial      nomenclature ? Give one example .

   (c) What is Linnaean Hierarchy? Discuss biological species concept in short .

                                      2+(2+1)+(2+3)=10

2 (a) Define adaptation .What do you mean by secondary aquatic adaptation?

   (b) Describe the structural and  physiological adaptations in Camel.

                                        (2+2)+(3+3)=10

3. Write short notes on / Answer any two of the following:.   5X2=10

(a) Bayesian and Mullerian mimicry with examples

(b) Classify Phylum Annelida upto subclass with examples.

(c)Pre-zygotic isolation with examples

                  Unit...ll

4(a) What are the different types of ecological Pyramids ? Describe  in short with example .

   (b) What is the difference between grazing and detritus food chain ?

                                                ( 2+5 )+3=10

5(a) Define discontinous distribution.Give one example of filter bridge .

   (b)Mention the different vetebral fauna of Oriental realm.What is Wallace's line?

                                            (2+1)+(5+2)=10

6 Write short notes on the following : 

                                                  5+5=10

(a) Ex-situ and in-situ conservation

(b) J-shaped groth curve

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