Biology

• Chapter 1: Algae. Notes and past questions on Algae for NEB Class 11 Biology.
• Chapter 2: Angiosperms. Notes and past questions on Angiosperms for NEB Class 11 Biology.
• Chapter 3: Biodiversity. Notes and past questions on Biodiversity for NEB Class 11 Biology.
• Chapter 4: Biomolecules. Notes and past questions on Biomolecules for NEB Class 11 Biology.
• Chapter 5: Bryophyta. Notes and past questions on Bryophyta for NEB Class 11 Biology.
• Chapter 6: Cell. Notes and past questions on Cell for NEB Class 11 Biology.
• Chapter 7: Cell Division. Notes and past questions on Cell Division for NEB Class 11 Biology.
• Chapter 8: Detailed Study of Earthworm. Notes and past questions on Detailed Study of Earthworm for NEB Class 11 Biology.
• Chapter 9: Evidences of Evolution. Notes and past questions on Evidences of Evolution for NEB Class 11 Biology.
• Chapter 10: Evolutionary Biology. Notes and past questions on Evolutionary Biology for NEB Class 11 Biology.
• Chapter 11: Gymnosperms. Notes and past questions on Gymnosperms for NEB Class 11 Biology.
• Chapter 12: Human Evolution. Notes and past questions on Human Evolution for NEB Class 11 Biology.
• Chapter 13: Introduction to Biology. Notes and past questions on Introduction to Biology for NEB Class 11 Biology.
• Chapter 14: Kingdom Animalia. Notes and past questions on Kingdom Animalia for NEB Class 11 Biology.
• Chapter 15: Lichens. Notes and past questions on Lichens for NEB Class 11 Biology.
• Chapter 16: Mycota (Fungi). Notes and past questions on Mycota (Fungi) for NEB Class 11 Biology.
• Chapter 17: Parasite. Notes and past questions on Parasite for NEB Class 11 Biology.
• Chapter 18: Pteridophyta. Notes and past questions on Pteridophyta for NEB Class 11 Biology.
• Chapter 19: Theories of Organic Evolution. Notes and past questions on Theories of Organic Evolution for NEB Class 11 Biology.
• Chapter 20: Biota and Environment. Notes and past questions on Biota and Environment for NEB Class 11 Biology.
• Chapter 21: Conservation Biology. Notes and past questions on Conservation Biology for NEB Class 11 Biology.
• Chapter 22: Ecology. Notes and past questions on Ecology for NEB Class 11 Biology.
• Chapter 23: Frog (Rana tigrina). Notes and past questions on Frog (Rana tigrina) for NEB Class 11 Biology.
• Chapter 24: Introductory Microbiology. Notes and past questions on Introductory Microbiology for NEB Class 11 Biology.
• Chapter 25: Vegetation. Notes and past questions on Vegetation for NEB Class 11 Biology.

• Answer in short on any seven. **a)** What is nuclear membrane? **b)** Define cytoplasmic streaming. **c)** Mention about mitosis. **d)**... (2074)
• Describe in brief of any five. **a)** Functions of lipid. **b)** Structure and function of chloroplast. **c)** Importance of mitosis. **d... (2074)
• Define alternation of generation and discuss the process with special reference to life cycle of Fern. [7.5] **Or,** Describe the family... (2074)
• What is ecosystem? Discuss in detail about the main components of ecosystem with suitable examples. [8] (2074)
• Answer in short on any seven. **a)** Define the term Ornithology. **b)** Write the full form of IUCN. **c)** How is Zoology related with... (2074)
• Describe in brief of any five. **a)** Describe the sporogony phase of life cycle of Plasmodium. **b)** Draw a well labeled diagram of int... (2074)
• Define conjugation. Describe its process in Paramecium with labeled diagram. [7.5] **Or,** What is digestion? Give an account on the dige... (2074)
• Discuss the evolution of modern man from proconsul. [8] (2074)
• Answer in short on any seven. **a)** Define prokaryotic cell. **b)** How do you identify cell plate? **c)** What does it mean by cell inc... (2073)
• Describe in brief on any five. **a)** Biological role of protein. **b)** Structure and function of mitochondria. **c)** Process of crossi... (2073)
• Describe the structure and reproduction of *Spirogyra* with necessary diagrams. [7.5] **OR** Describe the family Gramineae in semitechnic... (2073)
• What is ecosystem? Describe in detail about the pond ecosystem. [8] (2073)
• Answer in short on any seven. **a)** Write the meaning of Anatomy and Morphology. **b)** Mention one important scope of zoology. **c)** W... (2073)
• Answer in brief on any five. **a)** Describe Miller Urey experiment on origin of life. **b)** Give general characters of Phylum Porifera.... (2073)
• Describe typical nephridia of Earthworm with labeled diagram. [7.5] **OR** Describe the structure and working mechanism of heart of frog... (2073)

Frequently asked questions

Based on the official syllabus.