A non-membrane bound organelle found in all cells is:

1.	Centriole	2.	Lysosome
3.	Vacuole	4.	Ribosome

Algal cell walls are made up of:
1. Cellulose, Galactans, Mannans and Minerals
2. Cellulose, Hemicellulose, Pectins and Proteins
3. Cellulose, Pectins, Mannans and Minerals
4. Cellulose, Hemicellulose, Mannans and Pectins

Given below is an electron microscopic structure of:

The following diagram shows

1. Formation of sperms from spermatogonia
2. Protein synthesis apparatus in eukaryotic cells
3. The endomembranous system of eukryotic cells
4. The cytoskeleton of a Moneran cell

Which of the following is not a feature of the plasmids?

Both cilium and flagellum emerge from centriole-like structure called the:

The middle lamella of the cell wall is composed of:

The surface appendage on the bacterial cells that helps in conjugation is:

A ‘slime layer’ or a ‘capsule’ is a modification of which of the following layers of the cell envelope of a prokaryotic cell?

The genomic DNA of a bacterial cell is:

1. circular and located on a single chromosome
2. circular and located on multiple chromosomes
3. linear and located on a single chromosome
4. linear and located on multiple chromosomes