When a short-sighted person views a distant object without spectacles, the image is formed Posted on:
Which of the following waste products in plants is excreted through the stomata and lenticels? Posted on:
A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as Posted on:
The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as Posted on:
The failure of transport and respiratory systems in plants as well as the presence of reddish colour in stems and leaves result from the deficiency of Posted on: