What is the correct answer?


Which of the following pair lack the unit membrane?

A. Nucleus and E.R.

B. Mitochondria and chloroplast

C. Ribosome and nucleolus

D. Golgi body and lysosome

Correct Answer :

C. Ribosome and nucleolus

Cell organelles like ribosomes and nucleolus lack the unit membrane. Ribosomes are found individually in the cytoplasm and also line the membranes of the rough endoplasmic reticulum. It is composed of RNA and ribosomal protein. Nucleolus is a part of nucleus and characterized by the absence of limiting membrane, presence of chromatin and granules and fibrils of RNA and proteins.

Related Questions

Which one of the following cellular parts is correctly matched with their… Select the incorrect statement about prokaryotic ribosomes. Which one of the following organelle given below is correctly matched… Choose the wrong statements regarding bacterial cellGlycocalyx is the… Plastids storing fat are called Match column-I (cell organelle) with column-II membrane and select the… Which of the following is absent in prokaryotes? Microtubules are absent in Which of the following statements are correct? A component of cytoskeleton is Difference between the prokaryotic and eukaryotic cells in having In prokaryotes, chromatophores are The given diagram shows the types of chromosomes (labelled as A, B, C… Golgi apparatus is absent in Which of the following is incorrect ? 9.A student was given cell samples (A and B) to identify parts which are… The main organelle involved in modification and routing of newly synthesized… Which of the following statement of a bacterial cell is/are correct?Mesosome… Given below are some characters of a cell organelle identify the correct… The fluidity of membranes in a plant in cold weather may be maintained… Identify the cell organelle given below. Which is an important site of… Which one of the following structures between two adjacent cells is an… Which of the following pair are correctly matched.A. Microtubules Structural… Which of the following terms is not correctly matched with its feature? Both the membranes of mitochondrion are Select the correct match of the types of neuron present in column I with… Which of the following pair are correctly matched ?(I) Amyloplasts Store… The given figures show two types of cell. Which structures are common… Which of the following statements is/are correct ?The endomembrane system… Centrioles and centrosomes occur in the cells of