Question

Amarbel is an example of:

• A. autotroph
• B. parasite
• C. saprotroph
• D. host

Answer 1

The correct option is B

parasite

The correct option is option B.

Explanation of the correct option:

1. A parasitic plant is a plant that obtains all or part of its nutrition from another plant (the host) without contributing to the benefit of the host and, in some cases, causing extreme damage to the host.
2. Cuscuta or Amarbel is a rootless, leafless parasitic herb lacking chlorophyll.
3. Cuscuta reflexa or Amarbel is an example of a parasitic plant that derives nutrition from host plants with the help of branches like structures called a haustorium.
4. The haustorium of Amarbel climbs to the host to derive nutrition from the host plant.

Explanation of the incorrect options:

Option A:

1. The organisms which prepare their food are called autotrophs.
2. Green plants are an example of autotrophs, which prepare food by photosynthesis in the presence of sunlight.

Option C:

1. An organism that derives nutrition from dead and decaying matter is called a saprotroph.
2. Fungi such as actinomycetes ( Agaricus ), i.e., mushroom, yeast, and bread mold, feed on dead and decaying organic matter to derive nutrition.

Option D:

1. It can be defined as the organism that harbors and supports another organism.
2. A host is larger than the organism which harbors on it.

Final Answer: Amarbel is an example of a parasite.