Lakhmir Singh Class X Biology Chapter 4 – Our Environment
Exercise : Solution of Questions on page Number : 226 Answer: 1 The functional unit of the environment consisting of … Read more
Lakhmir Singh Class 10 Biology
Lakhmir Singh Class X Biology Chapter 3 – Heredity and Evolution
Exercise : Solution of Questions on page Number : 191 Answer: 1 Maximum variations in the offsprings occur in the … Read more
Lakhmir Singh Class X Biology Chapter 2 – Control and Coordination
Exercise : Solution of Questions on page Number : 92 Answer: 1 Plant hormones are chemical substances which bring about … Read more
Lakhmir Singh Class X Biology Chapter 1 – Life Processes
Exercise : Solution of Questions on page Number :23 Answer 1: Food is the basic requirement of all living organisms … Read more
Lakhmir Singh Class X Biology Chapter 6 – How do Organisms Reproduce
Exercise : Solution of Questions on page Number : 141 Answer: 1 The process of reproduction ensures that a plant … Read more