Cellular Body Organisation in Different Kingdoms

Monera:
- Monera, which includes bacteria and archaea, exhibit cellular body organization.
- They are unicellular organisms with a simple cellular structure lacking membrane-bound organelles.
- The cellular body of Monera consists of a single cell that carries out all necessary functions for survival.

Protista:
- Protists are also unicellular organisms that display cellular body organization.
- Although some protists may form colonies, each individual cell maintains its own cellular body.
- They possess membrane-bound organelles and exhibit a higher level of complexity compared to Monera.

Fungi:
- Fungi, unlike Monera and Protista, have a more complex cellular body organization.
- They can be unicellular (yeast) or multicellular (mushrooms), with specialized structures such as hyphae and mycelium.
- Fungi exhibit a higher level of cellular differentiation and specialization in carrying out specific functions within the organism.

Both a and b:
- Both Monera and Protista exhibit cellular body organization, with Monera being simpler in structure and function compared to Protista.
- While Fungi also display cellular body organization, they possess a higher level of complexity and specialization in cellular structure and function.
- Therefore, the correct answer is (d) both a and b, as Monera and Protista both exhibit cellular body organization.