Kathmandu BernHardt HS School Kathmandu BernHardt HS School Balkhu, Kathmandu First Term Examination- 2070 Set: I Balkhu, Kathmandu First Term Examination- 2070 Set: I Faculty: Science Subject: Botany Grade: XI Time: 1:30hrs FM: 37.5 PM: 13.5 Faculty: Science Subject: Botany Grade: XI Time: 1:30hrs FM: 37.5 PM: 13.5 Attempt all questions 1. Answer in very short (any seven) 7×1=7 a) Define cellular totipotency. b) Name the scientist who discovered mitosis. c) What do you mean by prokaryotic cell? d) What is ecotone? e) Define food chain. f) Define inflorescence. g) Why fern is placed in Pteridophyta? h) What is heterocyst? i) Why cyanobacteria are commonly called as Blue Green Algae? j) Define gram +ve and gram -ve bacteria. 2. Answer in short (any five) 5×3=15 a) Write a shot note on 'Cell Theory'. b) Differentiate between Metaphase and Anaphase. c) Mention the characteristics of kingdom Monera. d) Draw a well-labeled ultra-structure of Nostoc cell. e) Describe the gametophyte of fern plant. f) Discuss the mutualism and social organization. g) Write a short note on 'Food Web'. 3. What are the ecological factors? Describe the climatic factors. 7.5 4. Describe the family Cruciferae in semi-technical terms with its floral formula and floral diagram. OR Write a brief account on respiration and nutrition in bacteria. 8 Attempt all questions 1. Answer in very short (any seven) 7×1=7 a) Define cellular totipotency. b) Name the scientist who discovered mitosis. c) What do you mean by prokaryotic cell? d) What is ecotone? e) Define food chain. f) Define inflorescence. g) Why fern is placed in Pteridophyta? h) What is heterocyst? i) Why cyanobacteria are commonly called as Blue Green Algae? j) Define gram +ve and gram -ve bacteria. 2. Answer in short (any five) 5×3=15 a) Write a shot note on 'Cell Theory'. b) Differentiate between Metaphase and Anaphase. c) Mention the characteristics of kingdom Monera. d) Draw a well-labeled ultra-structure of Nostoc cell. e) Describe the gametophyte of fern plant. f) Discuss the mutualism and social organization. g) Write a short note on 'Food Web'. 3. What are the ecological factors? Describe the climatic factors. 7.5 4. Describe the family Cruciferae in semi-technical terms with its floral formula and floral diagram. OR Write a brief account on respiration and nutrition in bacteria. 8 The End The End Kathmandu BernHardt HS School Kathmandu BernHardt HS School Balkhu, Kathmandu First Term Examination- 2070 Set: II Balkhu, Kathmandu First Term Examination- 2070 Set: II Faculty: Science Subject: Botany Grade: XI Time: 1:30hrs FM: 37.5 PM: 13.5 Faculty: Science Subject: Botany Grade: XI Time: 1:30hrs FM: 37.5 PM: 13.5 Attempt all questions 1. Answer in very short (any seven) 7×1=7 a) Name the scientist who proposed cell theory. b) Define cell division. c) What is autecology? d) Define biome. e) Write two functions of mesosome. f) Define phyllotaxy. g) Define placentation. h) Why fern plant is called as vascular cryptogam? i) What is trichome? j) "Bacterial photosynthesis is also known as anoxygenic photosynthesis." Explain. 2. Answer in short (any five) 5×3=15 a) Explain about amitosis and mention its significance. b) Differentiate between prokaryotic and eukaryotic cells. c) "Bacteria are our greatest friends". Explain. d) Discuss the various forms of bacteria based on shape. e) Mention the characteristics of pteridophytes. f) What is food chain? Discuss it with reference to grazing food chain. g) Mention the effects of edaphic factors on organisms. 3. What is mitosis? Explain about interphase and karyokinesis of mitosis. 7.5 4. Describe the family Brassicaceae in semi-technical terms with tits floral formula and floral diagram. OR Describe the life-cycle of fern plant. 8 Attempt all questions 1. Answer in very short (any seven) 7×1=7 a) Name the scientist who proposed cell theory. b) Define cell division. c) What is autecology? d) Define biome. e) Write two functions of mesosome. f) Define phyllotaxy. g) Define placentation. h) Why fern plant is called as vascular cryptogam? i) What is trichome? j) "Bacterial photosynthesis is also known as anoxygenic photosynthesis." Explain. 2. Answer in short (any five) 5×3=15 a) Explain about amitosis and mention its significance. b) Differentiate between prokaryotic and eukaryotic cells. c) "Bacteria are our greatest friends". Explain. d) Discuss the various forms of bacteria based on shape. e) Mention the characteristics of pteridophytes. f) What is food chain? Discuss it with reference to grazing food chain. g) Mention the effects of edaphic factors on organisms. 3. What is mitosis? Explain about interphase and karyokinesis of mitosis. 7.5 4. Describe the family Brassicaceae in semi-technical terms with tits floral formula and floral diagram. OR Describe the life-cycle of fern plant. 8 The End The End