Healthy Vs Disease free

(a) Differentiate between healty and disease free? (b) Distinguish between symptoms and signs of disease.

Mention what kind of surroundings will keep you helathy and disease -free.

Which of the following should be used as an explant to generate a disease free plant ?

The multiple shootlet production technique is used to get disease-free healthy plants of

The organism which spread the disease from and infected person to a healthy person is called ……………….

(A) : Meristem culutre is used to produce disease free plants. (R): The apical meristem is free from pathogen specially viruses.

Which of the following is used in tissue culture for production of disease free plants?

Technique for production of disease-free plants

Lila always eats only dal and rice in every meal. She often falls ill and has become prone to diseases. Can you suggest changes in her diet which can make her healthy and free from disease?