Which of the following are not membrane-bound?

1. Vacuoles

2. Ribosomes

3. Lysosomes

4. Mesosomes

Cellular organelles with membranes are 

1. nuclei, ribosomes and mitochondria

2. chromosomes, ribosomes and endoplasmic reticulum

3. endoplasmic reticulum, ribosomes and nuclie

4. lysosomes, Golgi apparatus and mitochondria.

The chromosomes in which centromere is situated close to one end are

1. metacentric               

2. acrocentric

3. telocentric                 

4. sub-metacentric

Select the correct matching in the following pairs.

1. Smooth ER—Oxidation of phospholipids

2. Smooth ER—Synthesis of lipids

3. Rough ER—Synthesis of glycogen

4. Rough ER—Oxidation of fatty acids

Which one of the following is not an inclusion body found in prokaryotes?

1. Phosphate granule

2. Cyanophycean granule

3. Glycogen granule

4. Polysome

Which structures perform the function of mitochondria in bacteria?

1. Nucleoid

2. Ribosomes

3. Cell wall

4. Mesosomes

The osmotic expansion of a cell kept in water is chiefly regulated by

1. mitochondria

2. vacuoles

3. plastids

4. ribosomes

The motile bacteria are able to move by

1. fimbriae

2. flagella

3. cilia

4. pili

The Golgi complex plays a major role:

Ribosomal RNA is actively synthesized in

1. lysosomes

2. nucleolus

3. nucleoplasm

4. ribosomes