The given diagram represents the four different structures which one of these is correct containing material and function:-

a.	Nucleolus	NOR	Synthesis of rRNA for formation of 80 S Ribosome
b.	Nuclear Pore	Chromatin	Exchange material between cytoplasm and nucleoplasm
c.	Nucleoplasm Protein	Nucleoplasmin	Formation of nuclear matrix
d.	Nuclear membrane	Ribosome	Cellulose synthesis

1. A

2. B

3. C

4. D

Bacterial plasmids are

1. Circular ds RNA

2. Circular ds DNA

3. Linear ds DNA

4. Linear ds RNA

DNA of Escherichia coli is

1. ss and circular

2. ss and linear

3. ds and linear

4. ds and circular

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

1. Peroxisomes

2. Golgi bodies

3. Polysomes

4. Endoplasmic reticulum

Which of the following statements about inclusion bodies is incorrect?

1. These are involved in the ingestion of food particles.

2. They lie freely in the cytoplasm.

3. These represent reserve material in cytoplasm.

4. They are not bound by any membrane.

Eukaryotic cells considered as more efficient than prokaryotic cells, due to -

1. compartmentalisation of cytoplasm

2. Infolding of membrane

3. Presence of cell wall

4. Aerobic respiration 

Packing of substance for export from the cell occurs by the :

1. RER

2. Lysosome

3. Nucleus

4. Golgi body

Membrane-bound space present in plant cell and filled with water, sap and excretory substance is known as

1. Lysosome

2. Endoplasmic reticulum

3. Vacuole

4. Cytoplasm

The plastid which stores protein is known as

1. Amyloplast

2. Chloroplast

3. Elaioplast

4. Aleuroplast

Acid hydrolases enzymes are found in

1. RER

2. Golgi apparatus

3. Lysosomes

4. SER