Biology and Human Welfare
Author:K N Bhatia & M P Tyagi
12th CBSE
IMPORTANT
Practice Other Chapters from Biology and Human Welfare
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Biology and Human Welfare>Human Health and Disease
In this chapter, we will learn the causative agents and modes of transmission of various diseases. It also makes us understand the different types and components of immunity. We will also know about vaccination and various disorders of the immune system.

TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Biology and Human Welfare>Strategies for Enhancement in Food Production
In this chapter, we will discuss the various strategies for enhancement in food production. It gives a brief description of inbreeding, outbreeding, totipotency, single cell protein and plant breeding programs.

TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Biology and Human Welfare>Microbes in Human Welfare
In this chapter, we will talk about various microbes which are involved in human welfare. Here, we will discuss microbes and their products, their role in sewage treatment, biogas production and as biocontrol agents and biofertilisers.

