Question

20. How many segments are present in abdomen of cockroach?
27. What is the function of parenchyma, collenchymas, Sclerenchyma?
28. What are the meristematic tissues? Explain the different types of meristem
29. What is cell theory? Who proposed it?
30. Explain the fluid mosaic model?
31. What is the difference b/w prokaryotic and eukaryotic cell?
32. Name two organelles that are double membrane bound. What are the characteristics of these two organelles
33. Name of feeding organ in phylum mollusca?
34. Describe the different regions of root?
35. What is the difference b/w peristomium and prostomium?
36. Draw well labeled diagram of digestive system of cockroach?
37. What is the difference b/w endocrine and exocrine glands?
38. Discuss about alimentary canal of earthworm?
39. Difference between prokaryotic cells and Eukaryotic Cells along with diagrams?
40. Describe the Watson and crick model of DNA in detail?​

Answer 1

Answer:

ans20 ten segments

hope it will help u

Answer 2

Answer:

All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.0