Questions for 10 August zoology
 Q:-1 What is a chemical messenger ? Discuss its roles. (12)   Q:-2 Define crypsis. How is it different from mimicry? (12)   Q:-3 How do enzymes works? Discuss various types of inhibition mechanism with appropriate examples. (20)   Q:-4 Classify the enzymes? Describe what is E. C number of an enzyme. (15)   Q:-5 Discuss the role of hormones in drive. (20)