Botany and Branches
- For retting of jute the fermenting microbe used is
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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.
- The aquatic fern which is an excllent biofertilizer is
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Azolla
Correct Option: A
Azolla
- Largest flower Rafflesia is
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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.
- Animals/organisms floating on the surface of water are
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plankton
Correct Option: A
plankton
- Collar cells occur in
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Collar cells occurs in sponges and located at the anterior end of each choanocyte.
Correct Option: A
Collar cells occurs in sponges and located at the anterior end of each choanocyte.
