Role of microtubules is:
| 1. | To help in cell division | 
| 2. | Cell membrane formation | 
| 3. | Respiration | 
| 4. | Pinocytosis | 
Difference between eukaryotes and prokaryotes is in:
| 1. | Circular ss 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
The 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 the glycosylation of protein:
1. Ribosome
2. Peroxisome
3. Endoplasmic reticulum
4. Mitochondria
The function of telomeres in the 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 the animal cell:
 
| 1. | Ribosomes that occur on the 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:
| 1. | Oxidative enzymes | 2. | Hydrolytic enzymes | 
| 3. | Reductive enzymes | 4. | Anabolic enzymes |