Those organism which cannot use oxygen for growth and are even harmed by its presence, are known as

Most organisms cannot use the free form of………

The first organisms which released oxygen in the environment by its photosynthesis were :

The first organisms which released oxygen in the environment by its photosynthesis were :

True or false Micro -organism which use oxygen for respiration are known as anaerobes.

Those organs which are functionless are known as:

The Organisms that cannot prepare their own food and depeds on others for food are known as:

A nutritionally wild type organisms, which does not required any additional growth supplement is known as

A nutritionally wild type organisms, which does not required any additional growth supplement is known as

The seeds of onion cannot germinate in the presence of light and hence are known as

Those species which can interbreed among themeselves but cannot do so with other species is known as