Karyotaxonomy is based up on nucleus and band on chromosomes.

Correct Option: B

Karyotaxonomy is based up on nucleus and band on chromosomes.

In many bacteria (specially gram +ve) the plasma membrane gives rise to infoldings called mesosome. They have respiratory enzymes like succinic dehydrogenase, cytochrome oxidase for respiration.

Correct Option: C

In many bacteria (specially gram +ve) the plasma membrane gives rise to infoldings called mesosome. They have respiratory enzymes like succinic dehydrogenase, cytochrome oxidase for respiration.

In this process bacteria decompose the pectin of the plant to liberate fibres. The process of fibre preparation is known as retting . This process is carried out by Clostridium butyrium.

Correct Option: B

In this process bacteria decompose the pectin of the plant to liberate fibres. The process of fibre preparation is known as retting . This process is carried out by Clostridium butyrium.

allopatric species

Correct Option: A

allopatric species

The tip of the root of Rafflesia makes haustorial contact with the root of host and absorbs food from the host.

Correct Option: B

The tip of the root of Rafflesia makes haustorial contact with the root of host and absorbs food from the host.