Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have Posted on:
In million’s test, when the reagent is added to a protein food item, a white precipitate is produced which turns Posted on:
In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in Posted on:
Which of the following structures is capable of producing more tissues in the stem of a herbaceous flowering plant? Posted on:
The structure that prevents food particle from escaping through the fish gills are called gill Posted on:
The ability of the cockroach to live in cracks and crevices is enhanced by the possession of Posted on:
