Question

Identify the characteristic features of yeast.
(i) Possession of cell wall made up of chitin
(ii) Prokaryotic cell structure
(iii) Saprophytic mode of nutrition
(iv) Absence of mitochondria in cells

• A. (i), (iii)
• B. (i), (iv)
• C. (ii), (iii)
• D. (i), (ii), (iii)

Answer 1

The correct option is A

(i), (iii)

The correct option is A.

Explanation of the correct option:

1. Yeast is a single-celled micro organism that comes under the kingdom of fungi.
2. Yeast cell walls usually consist of β-glucan and/or chitin.

Explanation of the incorrect option:

Option B:

Yeast cells have mitochondria as one of their major organelles.

Option C:

Yeast contains almost the same organelles as a mature eukaryotic cell.

Option D:

The nucleus, Golgi apparatus, mitochondria, endoplasmic reticulum, vacuole, and cytoskeleton are the most important organelles in yeast.

Final answer: Yeast cell wall is made up of chitin and possesses a saprophytic mode of nutrition.