| ⇦ | 
| ⇨ |
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: - Which one of the following generally acts as an antagonist to gibberellins?
- Prostate gland is a
- Concentration of the urine is controlled by
- DNA associated with highly basic proteins is called
- Four sepals arranged in two whorls is characteristic of family
Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following generally acts as an antagonist to gibberellins?
- Prostate gland is a
- Concentration of the urine is controlled by
- DNA associated with highly basic proteins is called
- Four sepals arranged in two whorls is characteristic of family
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.
Share this page with your friends
Leave a Reply