Which one of the cell organelles is not enclosed by any membrane

Which One Of The Cell Organelles Is Not Enclosed By Biology Question

Which one of the cell organelles is not enclosed by any membrane?

Options

(a) lysosome
(b) ribosome
(c) mitochondria
(d) plastid

Correct Answer:

ribosome

Explanation:

Ribosomes are naked ribonucleoprotein protoplasmic particles which function as the site for protein synthesis. Therefore they are popularly known as protein factories. Ribosomes are produced in nucleolus and occur on nuclear membrane & RER. It is also present in cytoplasm in prokaryotes and eukaryotes. Chemically ribosome is made up of rRNA (60%) protein (40%). As ribosomes, nucleolus and centrioles are also membrane less cell organelles.

Related Questions:

  1. The ship in which Charles Darwin travelled was
  2. Select the correct statement from the ones given below with respect to Periplaneta
  3. Which of the following is called emergency gland of the body?
  4. ICZN stands for
  5. What is common in whale,bat and rat

Topics: Cell Structure and Functions (413)
Subject: Biology (4253)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*