Size of a Cell

Q. Arrange these organisms in ascending order based on their size.

1. Organism causing AIDS
2. Organism causing Typhoid
3. PPLO
4. Plant cell

1. 1-2-3-4
2. 1-3-2-4
3. 4-2-3-1
4. 1-3-2-4

Q. Match the following based on cell shapes.

$\begin{array}{cccc}& \text{Column-I}& & \text{Column-II}\\ \text{A.}& \text{Round and biconcave}& 1.& \text{Nerve cell}\\ \text{B.}& \text{Long and narrow}& 2.& \text{Leucocyte}\\ \text{C.}& \text{Branched and long}& 3.& \text{Erythrocyte}\\ \text{D.}& \text{Amoeboid}& 4.& \text{Tracheid}\\ \text{E.}& \text{Elongated}& 5.& \text{Columnar epithelium}\end{array}$

1. A-1, B-2, C-3, D-4, E-5
2. A-3, B-5, C-1, D-2, E-4
3. A-3, B-4, C-5, D-2, E-1
4. A-2, B-5, C-1, D-3, E-4

Q. Comparing large and small cells, which statement is correct?

1. Small cells have a small surface area per volume ratio
2. Exchange rate of nutrients is fast with large cells
3. Small cells have a large surface area per volume ratio
4. Exchange rate of nutrients is slow with small cells

Q. The biggest living single cell

1. Ostrich egg
2. Human cell
   
3. Mycoplasma
4. None of the above

Q. A is the smallest known living cell.

1. virus
2. mycoplasma
3. viroid
4. E. coli