Question

A diverse group of terrestrial organisms separated from other plants by lack of chlorophyll is

• A. Algae
• B. Fungi
• C. Protista
• D. Animalia

Answer 1

The correct option is B

Fungi

The correct option is B.

Explanation of the correct option:

1. Fungi is a group of organisms that forms thallus, which may be unicellular or multicellular that possess a definite cell wall made of chitin.
2. Fungi lack chlorophyll and are unable to synthesize their food by the process of photosynthesis.
3. They are therefore heterotrophic and obtain their food either from dead organic matter or from other living organisms.
4. Examples: Yeast, Mushrooms, Bread mold (Mucor), Lichen, etc.

Explanation of the incorrect options:

Option A:

1. Algae are known as thallophyta. They are plants that possess chlorophyll that assists in photosynthesis.
2. Algae exhibit an autotrophic mode of nutrition i.e., they form their food by photosynthesis.

Option C:

1. The organisms belonging to the kingdom Protista are unicellular eukaryotes.
2. The mode of nutrition may be autotrophic or heterotrophic.
3. Cell walls, like monerans, may or may not be present. Examples: Diatoms, Protozoans (Amoeba).

Option D:

1. Kingdom Animalia includes multicellular eukaryotes.
2. They have a heterotrophic mode of nutrition. The cell wall is absent.
3. Examples: Roundworm, Tapeworm, Housefly, Man, etc.

Final answer: A diverse group of terrestrial organisms separated from other plants by lack of chlorophyll fungi