Which of the following is not membrane-bound?

1. Vacuoles

2. Ribosomes

3. Lysosome

4. Mesosomes

Cellular organelles with membranes are:

1. Nucleus, ribosome and mitochondria

2. Chromosomes, ribosomes and endoplasmic reticulum

3. Endoplasmic reticulum, ribosome and nuclei

4. Lysosomes, Golgi apparatus and mitochondria

The structures that are formed by stacking of organised flattened membranous sacks in the chloroplasts are:

The chromosomes in which the centromere is situated close to one end are:

Select the correct matching among the following pairs.

Which one of the following is not an inclusion body found in prokaryotes?

DNA is not present in:

The nuclear envelope is derivative of:

Which of the following structures performs the function of mitochondria in a bacteria?

The osmotic expansion of a cell kept in water is chiefly regulated by:

1. Mitochondria

2. Vacuoles

3. Plastids

4. Ribosomes