biology important questions for class 11 cbse

Introduction to Biology Bio-chemically important organic and inorganic molecules (general concepts): Carbohydrate protein, lipid, nucleic acid, minerals and water. Model Question paper (theory) Biology Grade XI Section A¬† (Botany) 1.Answer any seven questions in very short. ¬†Differentiate prokaryotic and eukaryotic cells on the basis of nucleus Write the functions of chloroplast ? What are the components of a nucleotide ? Why are cyanobacteria called a blue green algae? Why are ferns called vascular cryptogams ? Write the difference between disc and ray floret ? Name the primary consumers of pond system ? Define green house effect? Lichen is an … Continue reading biology important questions for class 11 cbse