Question

Two very small organisms X and Y both reproduce by the method of budding. Organism X is industrially very important because it is used in making alcohol from sugar. It is also used in making bread. Organisms Y is a tiny animal having tentacles which live in water.
(a) What is organisms X?
(b) Name the process in which X converts sugar into alcohol.
(c) To which class of organism does X belong?
(d) What are organisms Y?
(e) Out of X and Y, which organism is multicellular and which one is unicellular?

Answer 1

Answer:

a)  Yeast

b) fermentation

c) Bacteria

d) Hydra

e) Hydra(organism Y is a unicellular organism) and Yeast(organism X is also a unicellular organism which  evolved from multicellular ancestors)

Explanation:

Answer 2

X- Yeast; Y- Hydra

Explanation:

(a) X is yeast.

(b) Yeast helps convert sugar into alcohol through a process called fermentation.

(c) Yeasts are eukaryotic, single-celled microorganisms classified as a fungi.

(d) Y is Hydra.

(e) Yeast (X) is unicellular and Hydra (Y) is multi-cellular.

Yeast and Hydra reproduce through budding. Yeast is industrially very important because it is used in making alcohol from sugar. It is also used in making bread. Hydra is a tiny animal having tentacles which live in water.