wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following is not a unicellular organism?


A

Amoeba

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Yak

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

Yeast

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

Rhizobium

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

Yak


The correct option is B.

Explanation of correct option:

  1. A single-celled organism also called a unicellular organism is an organism formed of a single cell. On the other hand, a multicellular organism is formed of multiple cells.
  2. Yaks are a kind of multicellular organism.
  3. It is a long-haired domesticated cattle, which can be seen all through the Indian subcontinent’s Himalayan region.

Explanation of incorrect options:

Option A:

  1. Amoeba is a unicellular organism, as it comprises a single cell.
  2. All the life processes, like feeding, reproduction, excretion, and digestion occur in a single cell in amoeba.

Option C:

  1. Yeast is a eukaryotic, unicellular microbe, which comes under the kingdom fungi.
  2. Yeasts have an application in the alcoholic and beverage industries.

Option D:

  1. Rhizobium is a bacterial genus, which is associated with the formation of root nodules in plants.
  2. It is a unicellular bacterial species.
  3. These bacteria prevail in a symbiotic association with the legumes.

Final answer: Yak is not a unicellular organism.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Amazing Human Body
SCIENCE
Watch in App
Join BYJU'S Learning Program
CrossIcon