The main arena of various types of activities of a cell is

1. plasma membrane

2. mitochondrion

3. cytoplasm

4. nucleus

The organelle common among prokaryotic and eukaryotic cell is

(1) centrosome

(2) ribosome

(3) peroxisome

(4) glyoxysome

Which one of the following phenomena is commonly referred as 'cell drinking?

1. Endocytosis

2. Exocytosis

3. Phagocytosis

4. Pinocytosis

Which one is incorrect

(1)Mycoplasmas are greater than bacteria

(2)largest isolated cell is ostrich egg

(3)Nerve cells are longest cells

(4)The shape of the cell may vary with  the function they perform

Nerve cell is

(1)largest and branched

(2)longest and branched

(3)longest and unbranched

(4)largest and unbranched

Arrange the following in the increasing of their size

(1)virus< PPLO< typical bacteria< typical eukaryotic cell

(2) PPLO< virus< typical bacteria< typical eukaryotic cell

(3) virus< PPLO< typical eukaryotic cell< typical bacteria

(4) virus> PPLO> typical bacteria> typical eukaryotic cell