Page No 253: Question 1: Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate. Answer: (a) Growth It is an irreversible and …
Page No 238: Question 1: Differentiate between (a) Respiration and Combustion (b) Glycolysis and Krebs’ cycle (c) Aerobic respiration and Fermentation Answer: (a) Respiration and combustion …
Page No 224: Question 1: By looking at a plant externally can you tell whether a plant is C3 or C4? Why and how? Answer: One …
Page No 205: Question 1: ‘All elements that are present in a plant need not be essential to its survival’. Comment. Answer: Plants tend to …
Page No 193: Question 1: What are the factors affecting the rate of diffusion? Answer: Diffusion is the passive movement of substances from a region …
Page No 171: Question 1: What is the average cell cycle span for a mammalian cell? Answer: The average cell cycle span for a mammalian …
Page No 160: Question 1: What are macromolecules? Give examples. Answer: Macromolecules are large complex molecules that occur in a colloidal state in intercellular fluid. …
