Role of microtubules :
1.  To help in cell division
2.  Cell membrane formation
3.  Respiration
4.  Pinocytosis

Difference between eukaryotes and prokaryotes:
1.  ss circular DNA in prokaryotes
2.  Histone with prokaryotic DNA
3.  Operon in eukaryotes
4.  Membrane bound organelles in eukaryotes

Plant pathogenic bacteria are mostly :
1.  Gram + Non spore forming
2.  Gram – Non spore forming
3.  Gram + spore forming
4.  Gram (–) spore forming

Double unit membrane is absent in :
1.  Ribosomes
2.  Nucleus
3.  Plastids
4.  E.R

Genetic material of prokaryotic cell :
1.  Non histonic double stranded DNA
2.  Histonic double stranded DNA
3.  Histone & DNA both are absent
4.  Histone without DNA

Which cell organelle is concerned with glycosylation of protein :

1. Ribosome

2. Peroxisome

3. Endoplasmic reticulum

4. Mitochondria

Function of telomeres in nucleus :

1. Pole ward movement

2. To initiate the RNA synthesis

3. To seal the ends of chromosome

4. To recognize the homologous chromosome

Which of the following ribosomes are engaged in protein synthesis in animal cell :

1. Ribosomes which occur on nuclear membrane and E.R.

2. Ribosomes of only cytosol

3. Ribosomes of only nucleolus and cytosol

4. Ribosomes of only mitochondria and cytosol

Extranuclear DNA is found in :

1. Lysosome and chloroplast

2. Chloroplast and mitochondria

3. Mitochondria and lysosome

4. Golgi and E.R.

Lysosome contains :