Which of the following pair of organelles does not contain DNA?

1. Nuclear envelope and Mitochondria

2. Mitochondria and Lysosomes

3. Chloroplast and Vacuoles

4. Lysosomes and vacuoles

A cell organelle containing hydrolytic enzyme is:

1. lysosome

2. microsome

3. ribosome

4. mesosome

The isolated lysosomal vesicles have been found to be very rich in:
1. phosphate and chloride ions
2. cytoprotective pigment molecules
3. lymphokines like interleukins and interferons
4. acid hydrolases