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 |