Nuclear envelope is derivative of 

1. smooth endoplasmic reticulum

2. memebrane of Golgi complex

3. microtubles

4. rough endoplasmic reticulum

Cytochromes are found in

1. matrix of mitochondria

2. outer wall of mitochondria

3. cristae of mitochondria

4. lysosomes

Which structures perform the function of mitochondria in bacteria?

1. Nucleoid

2. Ribosomes

3. Cell wall

4. Mesosomes

The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single

type of monomer are known as

1. microtubules

2. microfilaments

3. intermediate filaments

4. lamins

The motile bacteria are able to move by

1. fimbriae

2. flagella

3. cilia

4. pili

The Golgi complex plays a major role:

Which one of the following organelle in the figure correctly matches with its function?

1. Rough endoplasmic reticulum, formation of glycoproteins

2. Golgi apparatus, protein synthesis

3. Golgi apparatus, formation of carbohydrates

4. Rough endoplasmic reticulum, protein synthesis

What is true about ribosomes?

1. The prokaryotic ribosomes are 80 S, where S stands for sedimentation coefficient

2. These are composed of ribonucleic acid and proteins

3. These are found only in eukaryotic cells

4. These are self-splicing introns of some RNAs

Important site for formation of glycoproteins and glycolipids is

1. Golgi apparatus

2. plastid

3. Lysosome

4. vacuole

Which one of the following also act as a ribozyme in a bacterial cell?

1. snRNA

2. hn RNA

3. 23 S rRNA

4. 5 S rRNA