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

1. cristae
2. grana
3. stroma lamellae
4. stroma

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

Match the following and select the correct answer: 

1. A-iv, B-ii, C-i, D-iii

2. A-i, B-ii, C-iv, D-iii

3. A-i, B-iii, C-ii, D-iv

4. A-iv, B-iii, C-i, D-ii