Which of the following best describes a colony of volvox?

The plant cell mostly stores food as

All the following organelles have membranes except

Which of these has the most complex level of organization?

Which of the following statements is incorrect about diffusion?

The presence of a large member of mitochondria in a cell indicates that

Amoeba obtains its oxygen requirements

The unit contained in a cell structure responsible for changes in form and shape of organisms is called

The hydra has two body layers of cells called